Construction Glossary
Building a home involves many technical terms that can be confusing for homeowners, investors, and developers. This glossary explains common construction, engineering, permitting, and building science terminology in simple language.
This glossary is organized into the following sections:
- • Planning & Development
• Surveying, Site Preparation & Excavation
• Concrete & Foundations
• Framing & Structural Systems
• Roofing & Exterior Finishes
• Windows & Doors
• Plumbing Systems
• Electrical Systems
• HVAC & Mechanical Systems
• Energy Efficiency & Step Code
• Interior Finishes & Fixtures
• Construction Management, Contracts & Warranty
New terms are added regularly as our resource library continues to grow.
Planning & Development
- Architect
A licensed professional responsible for designing buildings and coordinating construction documents. - Architectural Technologist
A design professional who prepares building drawings and assists with permit applications and construction documentation. - Arborist Report
A report prepared by a certified arborist identifying existing trees and recommending protection or removal measures. - Buildable Area
The portion of a property where construction is permitted under zoning regulations. - Building Department
The municipal department responsible for reviewing building permit applications and conducting inspections. - Building Permit
A municipal approval allowing construction to begin after plans have been reviewed for compliance with applicable codes and bylaws. - Building Code
A set of regulations establishing minimum requirements for safety, health, accessibility, and structural performance. - Building Inspector
A municipal official responsible for inspecting construction to verify compliance with approved drawings and building codes. - Building Height
The maximum permitted height of a structure as defined by municipal regulations. - Building Footprint
The area of land covered by a building at ground level. - Community Amenity Contribution (CAC)
A contribution collected by some municipalities to help fund public amenities associated with new development. - Consultant
A professional retained to provide specialized expertise during planning, design, permitting, or construction. - Construction Value
The estimated cost of a construction project used for permit and fee calculations. - Covenant
A legal agreement registered on title that restricts or regulates how a property may be used. - Density
The amount of development permitted on a property, often expressed through floor area or dwelling units. - Demolition Permit
A permit required before an existing building can be demolished. - Development Permit
A municipal approval addressing land use, design, environmental considerations, or development guidelines. - Development Potential
The maximum development opportunity available under applicable zoning regulations. - Development Cost Charges (DCCs)
Municipal fees collected to help fund infrastructure improvements such as roads, drainage systems, and utilities. - Duplex
A residential building containing two separate dwelling units. - Easement
A legal right allowing another party access to a portion of a property for a specific purpose. - Encroachment
A structure or improvement extending onto neighbouring property or into a setback area. - Environmental Assessment
A study evaluating environmental conditions that may affect development. - Feasibility Study
An evaluation used to determine whether a proposed project is practical, achievable, and financially viable. - Floor Space Ratio (FSR)
A zoning calculation used to determine the maximum allowable building area on a property. - Frontage
The width of a property measured along a public road. - Highest and Best Use
The most valuable legal use of a property under current regulations. - Land Title
The legal document establishing ownership of a property. - Laneway Home
A detached secondary dwelling unit typically located at the rear of a property. - Legal Description
The formal legal identification of a property used in title records. - Lot Consolidation
The process of combining two or more lots into a single legal parcel. - Lot Coverage
The percentage of a lot occupied by buildings and structures. - Lot Depth
The distance from the front property line to the rear property line. - Multiplex
A residential building containing three or more dwelling units. - Municipal Bylaw
A regulation adopted by a municipality governing development and land use. - Neighbourhood Plan
A municipal planning document providing detailed guidance for development within a specific area. - Occupancy Permit
Municipal approval confirming that a building is safe and ready to be occupied. - Official Community Plan (OCP)
A long-term municipal planning document guiding future growth and development. - Permit Application
The formal submission of drawings and documents required for municipal approval. - Permit Revision
A change made to approved permit drawings after permit issuance. - Permit Review
The municipal process of evaluating submitted plans and supporting documents. - Planning Department
The municipal department responsible for land use planning and development approvals. - Property Line
The legal boundary separating one property from another. - Rezoning
The process of changing a property’s zoning designation to allow different uses or densities. - Restrictive Covenant
A legal restriction registered on title that limits development or land use. - Right-of-Way
A legal right allowing access across a property for transportation or utility purposes. - Secondary Suite
A self-contained dwelling unit located within a principal residence. - Setback
The required distance between a building and a property line. - Site Coverage
The percentage of a lot covered by buildings and structures. - Site Plan
A drawing showing building locations, driveways, parking areas, utilities, and other site features. - Statutory Right-of-Way
A registered legal interest allowing utilities or municipalities access to private property. - Subdivision
The process of dividing one parcel of land into two or more legal lots. - Title Search
A review of property records to identify ownership, easements, covenants, and restrictions. - Tree Permit
A municipal permit required before removing or significantly altering protected trees. - Variance
Municipal approval allowing deviation from a specific zoning regulation. - Zoning
Municipal regulations controlling land use, building size, setbacks, density, and development standards. - Zoning Bylaw
The official municipal document governing permitted development on properties.
Surveying, Site Preparation & Excavation
- Backfill
Soil placed around foundation walls after construction of the foundation is complete. - Benchmark
A fixed reference point used by surveyors to establish elevations on a property. - Catch Basin
A drainage structure designed to collect and direct stormwater into the municipal drainage system. - Clearing
The removal of trees, vegetation, debris, and obstacles from a construction site. - Compaction
The process of increasing soil density to improve stability and load-bearing capacity. - Compaction Test
A test performed to verify that soil has been compacted to the required standard. - Construction Access
The designated route used by workers, equipment, and materials to enter and leave a construction site. - Contaminated Soil
Soil containing substances that may require special handling, testing, or disposal. - Culvert
A pipe or structure allowing water to flow beneath roads, driveways, or other obstructions. - Cut
The removal of soil to lower the elevation of a site. - Cut and Fill
A grading process involving excavation in one area and placement of soil in another. - Dewatering
The removal of groundwater from an excavation to allow construction to proceed safely. - Drainage
The controlled movement of surface or groundwater away from structures. - Drain Tile
A perforated pipe installed around foundations to collect and redirect groundwater. - Erosion Control
Measures implemented to prevent soil loss caused by wind or water. - Excavation
The removal of soil, rock, or other materials to prepare for construction. - Excavator
Heavy equipment commonly used for digging foundations and trenches. - Existing Grade
The elevation of the land before construction begins. - Fill
Imported soil or granular material used to raise site elevations. - Finished Grade
The final elevation of the ground after construction and landscaping are complete. - Foundation Excavation
The excavation required to accommodate foundations and footings. - Geodetic Elevation
Elevation measured relative to a recognized survey benchmark. - Grade
The slope or elevation of land. - Grade Stake
A survey marker indicating required elevations during construction. - Grading Plan
An engineering drawing showing proposed site elevations and drainage patterns. - Granular Fill
Engineered gravel or crushed rock used for compaction and structural support. - Groundwater
Water located below the surface of the ground. - Inspection Chamber
An underground access structure allowing inspection and maintenance of drainage systems. - Legal Survey
A survey establishing property boundaries and legal dimensions. - Lot Grading
The shaping of land to ensure proper drainage away from buildings. - Machine Control
Technology used by construction equipment to achieve precise grading and excavation. - Manhole
An underground access structure used for servicing utilities and drainage systems. - Property Corner
A surveyed point identifying the intersection of property boundaries. - Property Pin
A metal marker identifying a surveyed property corner. - Retaining Wall
A wall designed to hold back soil and manage changes in elevation. - Rip Rap
Large rock placed to control erosion and stabilize slopes. - Sediment Control
Measures implemented to prevent sediment from entering stormwater systems. - Service Trench
An excavation used to install utilities such as water, sewer, gas, or electrical services. - Site Clearing
The preparation of land by removing vegetation, structures, and obstacles. - Site Preparation
All work required to prepare a property for construction. - Slope Stability
The ability of a slope to remain stable without movement or failure. - Storm Sewer
A municipal drainage system designed to collect and transport rainwater. - Survey Benchmark
A permanent reference point used for elevation measurements. - Survey Control Point
A known location used by surveyors for accurate measurements. - Surveyor
A licensed professional who measures and defines property boundaries and elevations. - Swale
A shallow drainage channel designed to direct surface water. - Topographical Survey
A survey showing site elevations, contours, structures, trees, and other physical features. - Trench
A narrow excavation used for utility installation. - Utility Connection
The connection of a property to municipal services such as water, sewer, electricity, or gas. - Utility Right-of-Way
A legal area reserved for utility installation and maintenance. - Watercourse
A natural channel through which water flows. - Working Grade
An intermediate elevation used during construction before final grading is completed. - Concrete & Foundations
- Anchor Bolt
A steel bolt embedded in concrete used to secure framing to the foundation. - Basement
A level of a building located partially or entirely below ground level. - Bearing Capacity
The ability of soil to safely support structural loads. - Bearing Wall
A wall that supports structural loads from above. - Concrete
A building material made from cement, water, sand, and aggregate. - Concrete Cure
The process of maintaining moisture and temperature conditions so concrete develops its designed strength. - Concrete Finish
The final surface texture or appearance of concrete after placement. - Concrete Pump
Equipment used to place concrete into hard-to-reach locations. - Concrete Slab
A flat horizontal concrete surface used as a floor or foundation component. - Control Joint
A groove intentionally created in concrete to control cracking. - Crawl Space
A shallow unfinished space located beneath a building. - Dampproofing
A coating applied to foundation walls to resist moisture penetration. - Deep Foundation
A foundation system transferring loads deeper into the ground through piles or caissons. - Expansion Joint
A joint allowing movement caused by temperature changes or structural expansion. - Footing
The lowest part of a foundation that distributes building loads into the soil. - Footing Drain
A drainage pipe installed beside footings to collect groundwater. - Formwork
Temporary structures used to shape concrete during placement. - Foundation
The structural system supporting a building and transferring loads to the ground. - Foundation Drainage Board
A protective drainage layer installed against foundation walls. - Foundation Wall
A concrete wall supporting the building structure above. - Frost Line
The depth to which soil is expected to freeze during winter. - Frost Heave
Movement of soil caused by freezing moisture expanding beneath structures. - Grade Beam
A reinforced concrete beam used to support structural loads between foundations. - Honeycombing
Voids or gaps in concrete caused by inadequate consolidation. - Keyway
A groove formed in concrete to improve the connection between pours. - Mat Foundation
A large concrete slab supporting an entire structure. - Monolithic Slab
A slab and footing poured at the same time as a single unit. - Pile Foundation
A foundation system using driven or drilled piles to support loads. - Pier
A vertical structural support transferring loads into the ground. - Post Base
A metal connector attaching wood posts to concrete. - Precast Concrete
Concrete components manufactured off-site and installed later. - Pressure Grouting
The injection of grout into soil to improve stability. - PSI (Pounds per Square Inch)
A measurement commonly used to specify concrete strength. - Raft Foundation
Another term for a mat foundation. - Rebar
Steel reinforcement embedded within concrete to increase strength. - Reinforced Concrete
Concrete containing steel reinforcement. - Retaining Wall Footing
A footing designed specifically to support a retaining wall. - Shallow Foundation
A foundation system located relatively close to the ground surface. - Shrinkage Crack
A crack that occurs as concrete dries and shrinks. - Slab Edge
The perimeter portion of a concrete slab. - Slab-on-Grade
A concrete slab placed directly on prepared ground. - Sonotube
A cylindrical cardboard form used to create concrete columns or piers. - Spread Footing
A footing designed to distribute loads over a larger area. - Stem Wall
A short foundation wall located between the footing and framing. - Structural Slab
A slab designed to support structural loads. - Thickened Edge Slab
A slab with a deeper perimeter section for additional support. - Vapour Barrier Under Slab
A membrane installed beneath concrete slabs to reduce moisture migration. - Waterproofing
A system designed to prevent water from entering foundation walls and below-grade structures. - Weeping Tile
Another common term for drain tile installed around foundations. - Working Load
The actual load a structural element is designed to support during normal use.
Framing & Structural Systems
- Beam
A horizontal structural member designed to support loads. - Bearing Point
The location where a structural member transfers its load to another element. - Birdsmouth
A notch cut into a roof rafter allowing it to sit securely on a wall. - Blocking
Short pieces of framing installed between studs, joists, or rafters for support and stability. - Bottom Plate
The horizontal framing member located at the base of a wall. - Braced Wall
A wall designed to resist lateral forces such as wind or earthquakes. - Bridging
Structural members installed between joists to improve stability and load distribution. - Cantilever
A structural element extending beyond its support point. - Collar Tie
A horizontal member installed between roof rafters to resist separation. - Cripple Stud
A short wall stud located above or below openings. - Dead Load
The permanent weight of a building’s structure and materials. - Diagonal Bracing
Structural members installed diagonally to increase stability. - Double Top Plate
Two stacked horizontal framing members at the top of a wall. - Engineered Floor System
A floor system using engineered wood products such as I-joists and LVLs. - Engineered Lumber
Manufactured structural wood products designed for strength and consistency. - Floor Framing
The structural system supporting floor surfaces. - Floor Joist
A horizontal structural member supporting floor loads. - Framing
The structural skeleton of a building. - Girder
A major beam supporting other beams or joists. - Glulam Beam
An engineered wood beam made by laminating multiple layers of lumber. - Hanger
A metal connector supporting joists, beams, or rafters. - Header
A structural member installed above openings such as doors and windows. - Hip Roof
A roof with slopes on all sides. - Hurricane Tie
A metal connector used to secure roof framing against uplift forces. - I-Joist
An engineered wood framing member commonly used for floors and roofs. - Jack Stud
A stud supporting a header above an opening. - Joist
A horizontal framing member supporting floors or roofs. - King Stud
A full-height stud located beside an opening. - Laminated Veneer Lumber (LVL)
An engineered wood product commonly used for beams and headers. - Lintel
A structural member spanning an opening. - Live Load
Temporary loads such as people, furniture, and movable objects. - Load Path
The route through which structural loads travel to the foundation. - Load-Bearing Wall
A wall supporting structural loads from above. - Non-Load-Bearing Wall
A wall that does not support structural loads. - Open Web Floor Joist
An engineered floor system providing space for mechanical services. - Parallam Beam
A type of engineered wood beam made from parallel wood strands. - Post
A vertical structural member supporting loads. - Post and Beam Construction
A framing system using large posts and beams instead of conventional walls. - Rafter
A sloped structural member supporting a roof. - Rafter Tie
A horizontal member preventing roof walls from spreading apart. - Rim Board
The structural member installed around the perimeter of floor framing. - Roof Framing
The structural system supporting a roof assembly. - Roof Pitch
The slope of a roof expressed as a ratio. - Roof Truss
A prefabricated structural assembly supporting roof loads. - Rough Opening
The framed opening prepared for installation of windows or doors. - Shear Wall
A wall designed to resist lateral loads caused by wind or earthquakes. - Sheathing
Structural panels attached to framing for strength and rigidity. - Sill Plate
The wood member attached directly to the foundation. - Span
The distance between supports of a structural member. - Split-Level Construction
A design where floor levels are staggered. - Stick Framing
A traditional framing method using individual lumber members assembled on site. - Strapping
Metal or wood reinforcement used to strengthen framing connections. - Structural Connector
A manufactured connector joining structural components. - Structural Engineer
A professional responsible for structural design and calculations. - Structural Load
The force applied to a building component. - Top Plate
The horizontal framing member located at the top of a wall. - Trimmer Stud
Another term for a jack stud. - Truss
An engineered structural assembly designed to span long distances. - Valley Framing
Framing installed where two roof slopes intersect. - Wall Framing
The structural system forming walls. - Wood Frame Construction
The most common residential construction method in North America. - Wood Shrinkage
Natural dimensional changes in wood as moisture content decreases.
Roofing & Exterior Finishes
- Architectural Shingles
A premium asphalt roofing product designed to provide enhanced durability and appearance. - Asphalt Shingles
The most common residential roofing material in North America. - Barge Board
A board installed along the edge of a gable roof. - Building Envelope
The complete system separating the interior of a building from the exterior environment. - Caulking
A flexible sealant used to close joints and prevent air or water infiltration. - Cedar Siding
Exterior cladding manufactured from cedar wood. - Cladding
The exterior finish applied to a building for protection and appearance. - Corner Trim
Trim installed at exterior corners to provide protection and a finished appearance. - Cultured Stone
A manufactured stone product designed to resemble natural stone. - Drip Edge
A metal flashing installed at roof edges to direct water away from the building. - Dormer
A roof structure containing a window that projects from a sloped roof. - Downspout
A vertical pipe carrying rainwater from gutters to ground level. - Eave
The lower edge of a roof extending beyond exterior walls. - Exterior Insulation
Insulation installed on the outside of a building structure. - Fascia
A horizontal board installed at the edge of a roof. - Fibre Cement Siding
A durable exterior cladding commonly known by brands such as Hardie Board. - Flashing
Metal or waterproof material installed to prevent water penetration at joints and intersections. - Gable
The triangular portion of a wall located beneath a pitched roof. - Gable Roof
A roof consisting of two sloping sides meeting at a ridge. - Gutter
A channel installed along roof edges to collect and direct rainwater. - Hardie Board
A popular brand of fibre cement siding known for durability and low maintenance. - Hip Roof
A roof design with slopes on all sides. - House Wrap
A weather-resistant membrane installed behind exterior cladding. - Ice & Water Shield
A self-sealing waterproof membrane installed beneath roofing materials. - Lap Siding
Horizontal siding installed with overlapping courses. - Metal Cladding
Exterior wall covering manufactured from metal panels. - Metal Roofing
A roofing system constructed from metal panels or shingles. - Parapet
A wall extending above the roofline. - Rainscreen
A wall assembly designed to manage moisture behind exterior cladding. - Ridge
The highest horizontal line where roof slopes meet. - Ridge Cap
Roofing material installed along the roof ridge. - Ridge Vent
A ventilation component installed along the roof ridge. - Roof Deck
The structural surface supporting roofing materials. - Roof Penetration
Any opening through the roof for vents, chimneys, skylights, or services. - Roof Vent
A component allowing airflow through the attic or roof assembly. - Roof Valley
The internal angle formed where two roof slopes meet. - Shed Roof
A roof consisting of a single sloping surface. - Shingle
An individual roofing unit installed in overlapping rows. - Siding
Exterior wall cladding used to protect and finish a building. - Soffit
The underside of a roof overhang. - Soffit Vent
A vent installed in the soffit to provide attic ventilation. - Starter Strip
The first course of roofing material installed at the roof edge. - Stone Veneer
A thin decorative stone applied to walls. - Stucco
A cement-based exterior wall finish. - Synthetic Underlayment
A roofing membrane installed beneath roofing materials. - Trim Board
Decorative and protective exterior finishing boards. - Underlayment
A protective layer installed beneath roofing materials. - Valley Flashing
Flashing installed within roof valleys to direct water flow. - Ventilation Baffle
A component maintaining airflow above attic insulation. - Vinyl Siding
Exterior cladding manufactured from durable vinyl material. - Wall Assembly
The complete combination of framing, insulation, air barriers, and finishes forming a wall. - Water-Resistive Barrier
A material installed behind exterior finishes to resist water intrusion. - Weather Barrier
A system designed to protect a building from wind and moisture. - Weep Hole
An opening allowing water to drain from wall systems. - Wind Uplift
The lifting force exerted on roofing materials during high winds.
Roofing & Exterior Finishes
- Architectural Shingles
A premium asphalt roofing product designed to provide enhanced durability and appearance. - Asphalt Shingles
The most common residential roofing material in North America. - Barge Board
A board installed along the edge of a gable roof. - Building Envelope
The complete system separating the interior of a building from the exterior environment. - Caulking
A flexible sealant used to close joints and prevent air or water infiltration. - Cedar Siding
Exterior cladding manufactured from cedar wood. - Cladding
The exterior finish applied to a building for protection and appearance. - Corner Trim
Trim installed at exterior corners to provide protection and a finished appearance. - Cultured Stone
A manufactured stone product designed to resemble natural stone. - Drip Edge
A metal flashing installed at roof edges to direct water away from the building. - Dormer
A roof structure containing a window that projects from a sloped roof. - Downspout
A vertical pipe carrying rainwater from gutters to ground level. - Eave
The lower edge of a roof extending beyond exterior walls. - Exterior Insulation
Insulation installed on the outside of a building structure. - Fascia
A horizontal board installed at the edge of a roof. - Fibre Cement Siding
A durable exterior cladding commonly known by brands such as Hardie Board. - Flashing
Metal or waterproof material installed to prevent water penetration at joints and intersections. - Gable
The triangular portion of a wall located beneath a pitched roof. - Gable Roof
A roof consisting of two sloping sides meeting at a ridge. - Gutter
A channel installed along roof edges to collect and direct rainwater. - Hardie Board
A popular brand of fibre cement siding known for durability and low maintenance. - Hip Roof
A roof design with slopes on all sides. - House Wrap
A weather-resistant membrane installed behind exterior cladding. - Ice & Water Shield
A self-sealing waterproof membrane installed beneath roofing materials. - Lap Siding
Horizontal siding installed with overlapping courses. - Metal Cladding
Exterior wall covering manufactured from metal panels. - Metal Roofing
A roofing system constructed from metal panels or shingles. - Parapet
A wall extending above the roofline. - Rainscreen
A wall assembly designed to manage moisture behind exterior cladding. - Ridge
The highest horizontal line where roof slopes meet. - Ridge Cap
Roofing material installed along the roof ridge. - Ridge Vent
A ventilation component installed along the roof ridge. - Roof Deck
The structural surface supporting roofing materials. - Roof Penetration
Any opening through the roof for vents, chimneys, skylights, or services. - Roof Vent
A component allowing airflow through the attic or roof assembly. - Roof Valley
The internal angle formed where two roof slopes meet. - Shed Roof
A roof consisting of a single sloping surface. - Shingle
An individual roofing unit installed in overlapping rows. - Siding
Exterior wall cladding used to protect and finish a building. - Soffit
The underside of a roof overhang. - Soffit Vent
A vent installed in the soffit to provide attic ventilation. - Starter Strip
The first course of roofing material installed at the roof edge. - Stone Veneer
A thin decorative stone applied to walls. - Stucco
A cement-based exterior wall finish. - Synthetic Underlayment
A roofing membrane installed beneath roofing materials. - Trim Board
Decorative and protective exterior finishing boards. - Underlayment
A protective layer installed beneath roofing materials. - Valley Flashing
Flashing installed within roof valleys to direct water flow. - Ventilation Baffle
A component maintaining airflow above attic insulation. - Vinyl Siding
Exterior cladding manufactured from durable vinyl material. - Wall Assembly
The complete combination of framing, insulation, air barriers, and finishes forming a wall. - Water-Resistive Barrier
A material installed behind exterior finishes to resist water intrusion. - Weather Barrier
A system designed to protect a building from wind and moisture. - Weep Hole
An opening allowing water to drain from wall systems. - Wind Uplift
The lifting force exerted on roofing materials during high winds.
Plumbing Systems
- ABS Pipe
A black plastic pipe commonly used for drainage and venting systems. - Backflow Preventer
A device that prevents contaminated water from flowing back into the potable water supply. - Backwater Valve
A valve installed in drainage systems to prevent sewage backup into a building. - Branch Drain
A drainage pipe serving multiple plumbing fixtures. - Cleanout
An access fitting that allows inspection and cleaning of drainage piping. - Cold Water Line
A pipe supplying cold potable water throughout a building. - Cross Connection
A connection between potable and non-potable water systems. - Drainage System
The network of pipes that removes wastewater from a building. - Drain Tile
A perforated pipe used to collect groundwater around foundations. - Expansion Tank
A tank installed to accommodate water expansion caused by heating. - Fixture Unit
A measurement used in plumbing design to determine pipe sizing requirements. - Floor Drain
A drain installed in floors to remove water from utility rooms, garages, or basements. - Frost-Free Hose Bib
An exterior faucet designed to prevent freezing during winter. - Grey Water
Wastewater from sinks, showers, and laundry systems. - Hot Water Line
A pipe supplying heated water to plumbing fixtures. - Hot Water Tank
A storage tank used to provide domestic hot water. - Hose Bib
An exterior faucet used for garden hoses and outdoor water access. - Main Water Shut-Off Valve
The primary valve used to stop water supply to the building. - Mixing Valve
A valve that blends hot and cold water to achieve a desired temperature. - PEX Pipe
Flexible plastic piping commonly used for residential water distribution. - Pipe Insulation
Insulation installed around plumbing pipes to reduce heat loss and prevent freezing. - Plumbing Fixture
A device connected to a plumbing system such as a sink, toilet, or shower. - Plumbing Rough-In
Installation of plumbing piping before walls and ceilings are closed. - Potable Water
Water that is safe for human consumption. - Pressure Reducing Valve (PRV)
A valve that reduces incoming municipal water pressure to a safe level. - PVC Pipe
Plastic piping commonly used in drainage and sewer systems. - Recirculation Line
A plumbing line that continuously circulates hot water to reduce waiting times. - Sanitary Sewer
The municipal system that transports wastewater to treatment facilities. - Sewage Ejector Pump
A pump used to move wastewater from lower levels to a higher drainage system. - Shut-Off Valve
A valve used to stop water flow to a fixture or plumbing system. - Soil Stack
A vertical drainage pipe carrying wastewater from toilets and fixtures. - Storm Sewer
A municipal drainage system carrying rainwater and surface runoff. - Sump Pit
A basin used to collect groundwater before pumping it away. - Sump Pump
A pump used to remove collected groundwater from a sump pit. - Tankless Water Heater
A water heater that heats water on demand without storage. - Trap
A curved section of pipe designed to prevent sewer gases from entering a building. - Trap Primer
A device that maintains water in floor drain traps. - Vent Pipe
A pipe providing airflow within the drainage system. - Vent Stack
The main vertical vent pipe extending through the roof. - Water Hammer
A pressure surge occurring when water flow stops suddenly. - Water Main
The primary municipal water supply line. - Water Meter
A device measuring water consumption. - Water Pressure
The force at which water flows through a plumbing system. - Water Service
The pipe connecting a building to the municipal water system. - Water Softener
Equipment used to reduce water hardness. - Wet Vent
A plumbing vent that also serves as a drain under specific conditions. - Waste Pipe
A pipe carrying wastewater from plumbing fixtures. - Y-Fitting
A plumbing fitting used to connect pipes at a gradual angle.
Electrical Systems
- 100 Amp Service
An electrical service capacity commonly found in older residential homes. - 200 Amp Service
The most common electrical service size for modern single-family homes. - 400 Amp Service
A larger electrical service often used for large custom homes, duplexes, and properties with significant electrical loads. - AFCI (Arc Fault Circuit Interrupter)
A safety device designed to detect dangerous electrical arcing and reduce fire risks. - Ampere (Amp)
A unit used to measure electrical current. - Branch Circuit
A circuit supplying power from the electrical panel to outlets, lighting, or equipment. - Breaker
A protective device that automatically disconnects power during overloads or faults. - Carbon Monoxide Detector
A safety device that detects carbon monoxide gas within a building. - Circuit
A complete electrical path allowing electricity to flow. - Conduit
A protective tube used to house electrical wiring. - Disconnect Switch
A switch used to isolate electrical equipment from power. - Distribution Panel
Another term for an electrical panel. - Dimmer Switch
A switch allowing adjustment of lighting levels. - Electrical Load
The amount of electricity consumed by equipment or systems. - Electrical Panel
The central distribution point for electrical circuits within a building. - Electrical Permit
A permit required for electrical installations and modifications. - Electrical Rough-In
Installation of wiring and boxes before walls are finished. - Electrical Service
The connection between the utility provider and a building. - Electrical Service Entrance
The point where utility power enters a building. - Electrical Meter
A device measuring electricity consumption. - EV Charger
Equipment used to charge electric vehicles. - Feeder Cable
A cable supplying power from one electrical panel to another. - Fuse
A protective device that interrupts electrical flow when overloaded. - Generator
Equipment used to provide backup electrical power. - Generator Transfer Switch
A device allowing safe transfer between utility and generator power. - GFCI (Ground Fault Circuit Interrupter)
A safety device protecting against electrical shock. - Grounding
The connection of electrical systems to the earth for safety. - Junction Box
An enclosure containing electrical connections. - Kilowatt (kW)
A unit used to measure electrical power. - LED Lighting
Energy-efficient lighting using light-emitting diodes. - Load Calculation
An engineering calculation used to determine electrical service requirements. - Load Centre
Another common term for an electrical panel. - Low Voltage Wiring
Wiring used for systems such as doorbells, alarms, and communication networks. - Main Breaker
The primary breaker controlling power to the entire building. - Motion Sensor
A device that activates lighting or equipment when movement is detected. - Outlet
A receptacle providing electrical power for devices. - Panel Schedule
A document identifying circuits within an electrical panel. - Pot Light
A recessed light fixture installed within ceilings. - Receptacle
Another term for an electrical outlet. - Service Mast
The structure supporting overhead electrical service conductors. - Smart Home System
Technology allowing remote monitoring and control of home systems. - Smoke Alarm
A safety device that detects smoke and fire conditions. - Subpanel
A secondary electrical panel supplied by a main panel. - Surge Protector
A device protecting equipment from voltage spikes. - Switch
A device used to control electrical circuits. - Three-Way Switch
A switch arrangement allowing control of lighting from two locations. - Transformer
Equipment used to change electrical voltage levels. - Voltage
The electrical pressure driving current through a circuit. - Wiring
Conductors used to distribute electrical power throughout a building.
HVAC & Mechanical Systems
- Air Conditioner
A system designed to cool indoor air during warm weather. - Air Handler
A component that circulates conditioned air through a building. - Air Source Heat Pump
A heat pump that transfers heat between the building and outdoor air. - Balancing
The process of adjusting airflow throughout a building to achieve consistent comfort. - Boiler
Equipment that heats water for radiant heating systems. - BTU (British Thermal Unit)
A unit used to measure heating and cooling capacity. - Cold Climate Heat Pump
A heat pump specifically designed to operate efficiently in colder temperatures. - Compressor
A component of a heat pump or air conditioning system that circulates refrigerant. - Condensate Drain
A drain used to remove moisture produced by cooling equipment. - Cooling Load
The amount of cooling required to maintain comfortable indoor temperatures. - Damper
A device used to regulate airflow within ductwork. - Diffuser
A grille or outlet designed to distribute conditioned air. - Ductwork
The system of ducts used to distribute air throughout a building. - Ductless Heat Pump
A heating and cooling system that does not require ductwork. - ECM Motor
An energy-efficient electronically commutated motor used in HVAC equipment. - Energy Recovery Ventilator (ERV)
A ventilation system that transfers both heat and moisture between incoming and outgoing air streams. - Exhaust Fan
A fan used to remove stale air, moisture, and odours from a building. - Fan Coil Unit
A heating and cooling unit using a fan and heat exchanger. - Fresh Air Intake
An opening allowing outdoor air into a ventilation system. - Furnace
A heating appliance that warms air and distributes it through ductwork. - Heat Exchanger
A component that transfers heat between two air or fluid streams. - Heat Gain
The increase in indoor temperature caused by sunlight, equipment, or occupants. - Heat Loss
The transfer of heat from a building to the outside environment. - Heat Pump
A system that provides heating and cooling by transferring heat rather than generating it. - Heating Load
The amount of heat required to maintain indoor comfort during winter. - HRV (Heat Recovery Ventilator)
A ventilation system that exchanges stale indoor air with fresh outdoor air while recovering heat. - Hydronic Heating
A heating system that distributes heat through water-filled pipes. - Indoor Air Quality (IAQ)
The overall quality and cleanliness of indoor air. - Make-Up Air
Fresh air introduced to replace exhausted air. - Mechanical Room
The room housing heating, cooling, and plumbing equipment. - Mini-Split Heat Pump
A ductless heat pump serving one or more zones. - MERV Rating
A rating system measuring the effectiveness of air filters. - Plenum
An air distribution chamber connected to ductwork. - Radiant Floor Heating
A heating system using warm water pipes installed beneath flooring. - Refrigerant
A fluid used by heat pumps and air conditioners to transfer heat. - Return Air
Air returned to HVAC equipment for conditioning. - Return Air Grille
An opening allowing air to return to HVAC equipment. - SEER Rating
A measurement of cooling efficiency for air conditioning equipment. - Smart Thermostat
A programmable thermostat capable of remote monitoring and control. - Supply Air
Conditioned air delivered into rooms. - Supply Air Register
A grille or vent delivering conditioned air. - Thermostat
A device controlling heating and cooling systems. - Variable Speed Motor
A motor capable of operating at different speeds to improve efficiency and comfort. - Ventilation
The process of supplying fresh air and removing stale air. - Ventilation Rate
The amount of fresh air supplied to a building. - Zoning System
A system allowing different areas of a building to be heated or cooled independently. - Air-to-Water Heat Pump
A heat pump that transfers heat to water for radiant heating systems. - Hydronic Distribution System
A piping system used to distribute heated water throughout a building. - Mechanical Contractor
A contractor specializing in HVAC, ventilation, and heating systems. - CSA F280
The Canadian standard used to calculate residential heating and cooling loads.
Energy Efficiency & BC Energy Step Code
- ACH50
Air Changes per Hour at 50 Pascals. A measurement of building airtightness determined through blower door testing. - Air Barrier
A material or system designed to reduce uncontrolled air leakage through the building envelope. - Airtightness
The ability of a building to resist uncontrolled air leakage. - Airtightness Testing
Testing performed to measure air leakage and verify building performance. - BC Energy Step Code
A provincial framework designed to improve energy efficiency in new buildings. - Blower Door Test
A test that uses a calibrated fan to measure air leakage through the building envelope. - Building Envelope
The complete system separating indoor living space from outdoor conditions. - Building Science
The study of how buildings perform in relation to heat, air, moisture, and durability. - Carbon Emissions
Greenhouse gases released through energy consumption and building operation. - Continuous Insulation
Insulation installed continuously across a building assembly to reduce thermal bridging. - Effective R-Value
The actual thermal performance of a building assembly after accounting for thermal bridging. - Effective RSI
The metric equivalent of Effective R-Value used in Canada. - Energy Advisor
A certified professional who performs energy modelling and testing for code compliance. - Energy Efficiency
The ability to reduce energy consumption while maintaining comfort and performance. - Energy Model
A computer simulation used to predict building energy performance. - Energy Performance
The overall efficiency of a building’s operation. - Energy Rating
A measurement used to compare building efficiency. - Energy Retrofit
Improvements made to increase the energy efficiency of an existing building. - Envelope Leakage
Uncontrolled air movement through the building envelope. - Exterior Insulation
Insulation installed on the exterior side of a building assembly. - Fresh Air Ventilation
The controlled introduction of outdoor air into a building. - Heat Loss
The transfer of heat from a building to the outside environment. - Heat Gain
The transfer of heat into a building from external or internal sources. - High-Performance Home
A home designed to exceed minimum energy-efficiency standards. - HRV (Heat Recovery Ventilator)
A ventilation system that exchanges stale indoor air with fresh outdoor air while recovering heat. - Indoor Air Quality
The overall quality and cleanliness of indoor air. - Low-E Coating
A microscopic coating applied to glass to improve energy performance. - Net-Zero Energy Home
A home designed to produce as much energy as it consumes over a year. - Passive House
A high-performance building standard focused on extreme energy efficiency and comfort. - R-Value
A measurement of insulation performance. - RSI Value
The metric equivalent of R-Value used in Canada. - Radon
A naturally occurring gas that can enter buildings through the ground. - Radon Rough-In
A pipe system installed beneath a slab to allow future radon mitigation if required. - Renewable Energy
Energy obtained from naturally replenished sources such as solar power. - Solar Gain
Heat entering a building through windows due to sunlight. - Solar Heat Gain Coefficient (SHGC)
A measurement of how much solar heat passes through glazing. - Step 1
The first level of BC Energy Step Code requirements. - Step 2
An intermediate level of BC Energy Step Code performance. - Step 3
A higher level of energy efficiency often required by municipalities. - Step 4
An advanced energy-efficiency level approaching Passive House performance. - Step 5
The highest level of BC Energy Step Code performance. - Thermal Bridge
A building component that allows heat to bypass insulation. - Thermal Bridging
Heat transfer through framing or structural components that reduces efficiency. - Triple Glazing
A window assembly containing three panes of glass. - U-Value
A measurement of heat transfer through a building component. - Vapour Barrier
A material used to limit moisture movement through building assemblies. - Ventilation System
Equipment used to provide fresh air and remove stale indoor air. - Weather Barrier
A system designed to protect buildings from water and wind intrusion. - Window Performance Rating
A measure of a window’s thermal efficiency and energy performance. - Zero Carbon Home
A home designed to minimize or eliminate carbon emissions associated with operation.
Interior Finishes & Fixtures
- Backsplash
A protective and decorative wall surface installed behind countertops, sinks, or cooktops. - Baseboard
Interior trim installed at the bottom of walls where they meet the floor. - Barn Door
A sliding interior door mounted on exposed hardware. - Bathroom Vanity
A cabinet assembly containing a sink and storage space. - Cabinet Hardware
Handles, knobs, pulls, and accessories installed on cabinets. - Cabinetry
Built-in storage units installed in kitchens, bathrooms, and other spaces. - Carpet
A textile floor covering installed over underlay. - Caulking
A flexible sealant used around fixtures, trim, and finish materials. - Casing
Trim installed around doors and windows. - Coffered Ceiling
A ceiling featuring recessed panels for decorative effect. - Crown Moulding
Decorative trim installed where walls meet ceilings. - Custom Millwork
Custom-built woodwork including cabinets, shelving, and decorative features. - Door Hardware
Handles, locks, hinges, and related door accessories. - Engineered Hardwood
A flooring product consisting of a hardwood surface layer attached to an engineered core. - Feature Wall
A decorative wall designed to create visual interest. - Fireplace Surround
The decorative finish surrounding a fireplace. - Flooring
Finished surface material installed over a floor structure. - Glass Shower
A shower enclosure constructed using glass panels. - Granite Countertop
A countertop manufactured from natural granite stone. - Grout
Material used to fill joints between tiles. - Hardwood Flooring
Flooring manufactured from solid hardwood. - Interior Door
A door separating interior rooms and spaces. - Kitchen Island
A freestanding cabinet assembly typically located in the center of a kitchen. - Laminate Flooring
A flooring product designed to imitate wood, stone, or other materials. - Luxury Vinyl Plank (LVP)
A durable flooring product designed to resemble hardwood. - Medicine Cabinet
A storage cabinet typically installed in bathrooms. - Millwork
Custom wood products such as trim, cabinetry, shelving, and decorative details. - Open Shelving
Shelving installed without cabinet doors. - Paint Finish
The final painted surface applied to walls, ceilings, and trim. - Pantry
A storage area designed for food and kitchen supplies. - Porcelain Tile
A dense and durable ceramic tile commonly used in kitchens and bathrooms. - Pot Filler
A water faucet installed near a cooktop for filling large pots. - Quartz Countertop
An engineered stone countertop made from quartz aggregates and resins. - Rain Shower Head
A shower fixture designed to simulate rainfall. - Recessed Lighting
Light fixtures installed within ceilings. - Shiplap
Decorative wall cladding consisting of overlapping horizontal boards. - Soft-Close Hardware
Cabinet hardware designed to close doors and drawers quietly. - Tile
A manufactured finish material used on floors, walls, and showers. - Tile Backer Board
A moisture-resistant substrate used beneath tile installations. - Tile Layout
The pattern used for tile installation. - Trim
Decorative finishing material installed around doors, windows, ceilings, and floors. - Undermount Sink
A sink installed beneath a countertop surface. - Vinyl Flooring
A resilient flooring product available in sheets, planks, or tiles. - Walk-In Closet
A large closet designed to allow entry and movement within the space. - Walk-In Shower
A shower designed without a traditional tub enclosure. - Wall Niche
A recessed storage area built into a wall. - Wallpaper
A decorative wall covering applied to interior surfaces. - Wainscoting
Decorative wall treatment installed on the lower portion of walls. - Wood Stain
A finish applied to wood surfaces to enhance appearance and colour. - Wood Trim
Decorative wood components used to finish interior spaces.
Construction Management, Contracts & Warranty
- Allowance
A budget amount included in a contract for items that have not yet been selected. - Bid
A contractor’s price proposal for performing specific work. - Budget
The estimated cost of a construction project. - Builder
The company or individual responsible for managing and constructing a project. - Builder’s Risk Insurance
Insurance protecting a construction project during the building process. - Certificate of Completion
Documentation confirming that construction work has been completed. - Change Order
A written document authorizing changes to the original contract scope, cost, or schedule. - Client
The owner or party commissioning a construction project. - Closeout
The final phase of a project involving inspections, documentation, and handover. - Commissioning
The process of verifying that building systems operate as intended. - Construction Contract
A legal agreement outlining the responsibilities, scope, schedule, and cost of a project. - Construction Management
The planning, coordination, and control of construction activities. - Construction Schedule
A timeline showing project activities and milestones. - Construction Draw
A progress payment made during construction. - Consultant
A professional providing specialized expertise during a project. - Contingency
A reserve budget set aside for unforeseen costs. - Cost Estimate
A projection of expected project expenses. - Critical Path
The sequence of activities that determines the minimum project duration. - Deficiency
An incomplete or unsatisfactory item requiring correction. - Deficiency Walkthrough
A final inspection identifying items requiring attention before completion. - Deposit
An initial payment made before construction begins. - Design-Build
A project delivery method where design and construction services are provided under one contract. - Draw Request
A request for payment based on completed work. - Final Inspection
The last inspection conducted before occupancy approval. - Fixed Price Contract
A contract where the project cost is agreed upon in advance. - General Contractor
The contractor responsible for managing trades and construction activities. - Holdback
Funds retained as required by construction lien legislation. - Inspection Report
Documentation prepared following an inspection. - Invoice
A request for payment for completed work or supplied materials. - Lead Time
The period between ordering and receiving materials or equipment. - Lien
A legal claim against a property related to unpaid construction work. - Milestone
A significant event or achievement within a project schedule. - Occupancy
The stage at which a building is approved for use. - Occupancy Inspection
An inspection verifying readiness for occupancy. - Owner
The individual or organization commissioning a project. - Permit Closure
The process of finalizing municipal permits after project completion. - Procurement
The process of purchasing materials, equipment, and services. - Progress Billing
Billing based on completed stages of work. - Project Budget
The overall financial plan for a construction project. - Project Manager
The individual responsible for coordinating project activities. - Project Schedule
The timeline governing project execution. - Punch List
A list of items requiring completion or correction before final handover. - Quality Control
Procedures used to verify workmanship and compliance. - Request for Information (RFI)
A formal request seeking clarification during construction. - Retention
Funds withheld until project completion or deficiency correction. - Scope of Work
A detailed description of work included within a contract. - Shop Drawing
Detailed drawings prepared by manufacturers or subcontractors. - Site Instruction
A written direction issued during construction. - Site Meeting
A meeting held on-site to review progress and coordination. - Specification
A document describing materials, products, and workmanship requirements. - Subcontractor
A contractor hired to perform specialized work. - Substantial Completion
The stage at which a project is sufficiently complete for its intended use. - Tender
A formal process used to obtain contractor pricing. - Tender Package
The collection of documents issued for bidding purposes. - Timeline
The planned duration of a project. - Trade Contractor
A subcontractor specializing in a specific construction discipline. - Warranty
Protection provided against certain defects after project completion. - Warranty Claim
A request for correction of an item covered under warranty. - Warranty Provider
The organization administering warranty coverage. - WorkSafeBC
British Columbia’s workplace health and safety authority. - 2-5-10 Home Warranty
The standard new home warranty program in British Columbia providing coverage for labour, materials, building envelope, and structural defects. - Builder Registration
The licensing and registration requirements for residential builders in British Columbia. - BC Housing Licensed Builder
A builder registered and licensed to construct new homes in British Columbia. - Homeowner Protection Act
Provincial legislation governing residential construction and warranty requirements. - Certificate of Insurance
Documentation confirming insurance coverage. - Liability Insurance
Insurance protecting against claims arising from construction activities. - Site Safety Plan
A documented plan outlining safety procedures on a construction site. - Toolbox Meeting
A short site meeting focused on safety and work coordination. - Occupational Health & Safety (OHS)
Requirements governing workplace safety during construction.
Consultants & Professionals
- Architect
A licensed professional responsible for building design, code compliance, and construction documentation. - Architectural Designer
A professional who prepares residential building designs and permit drawings. - Architectural Technologist
A specialist who prepares technical drawings and assists with permit applications. - Arborist
A professional specializing in tree assessment, protection, and removal recommendations. - Building Designer
A professional who designs residential buildings and prepares construction drawings. - Building Inspector
A municipal official responsible for verifying construction compliance. - Building Official
A municipal authority responsible for administering building regulations. - Building Envelope Consultant
A specialist who evaluates moisture control, waterproofing, and building envelope performance. - Civil Engineer
An engineer responsible for grading, drainage, servicing, and site infrastructure design. - Code Consultant
A professional who provides guidance regarding building code compliance. - Construction Manager
A professional responsible for coordinating construction activities and project delivery. - Cost Consultant
A professional specializing in construction budgeting and cost analysis. - Development Consultant
A specialist assisting with development approvals and municipal processes. - Electrical Engineer
An engineer responsible for electrical system design and calculations. - Electrical Contractor
A licensed contractor specializing in electrical installations. - Energy Advisor
A certified professional who performs energy modelling and airtightness testing. - Environmental Consultant
A professional who evaluates environmental conditions affecting development. - Excavation Contractor
A contractor specializing in site preparation and earthworks. - Framing Contractor
A contractor specializing in structural wood framing. - General Contractor
The contractor responsible for overall project management and trade coordination. - Geotechnical Engineer
An engineer specializing in soil conditions and foundation recommendations. - HVAC Contractor
A contractor specializing in heating, ventilation, and air conditioning systems. - Home Inspector
A professional who evaluates the condition of a residential property. - Interior Designer
A professional responsible for interior layouts, finishes, and material selections. - Landscape Architect
A professional specializing in outdoor design and site planning. - Landscape Designer
A professional responsible for residential landscaping concepts and layouts. - Land Surveyor
A licensed professional responsible for property measurements and boundary surveys. - Mechanical Engineer
An engineer responsible for heating, cooling, ventilation, and plumbing system design. - Permit Coordinator
A professional who assists with permit applications and municipal approvals. - Plan Checker
A municipal reviewer responsible for evaluating permit applications. - Plumbing Contractor
A contractor specializing in plumbing installations and systems. - Project Coordinator
A team member responsible for supporting project administration and communication. - Project Manager
A professional responsible for managing schedules, budgets, consultants, and construction activities. - Quantity Surveyor
A professional specializing in construction cost estimation and quantity calculations. - Registered Professional
A licensed professional authorized to provide professional services under provincial regulations. - Roofing Contractor
A contractor specializing in roofing installation and repairs. - Site Superintendent
The individual responsible for day-to-day site operations and supervision. - Soils Engineer
Another common term for a geotechnical engineer. - Structural Engineer
An engineer responsible for structural calculations and building design. - Trade Contractor
A contractor specializing in a specific construction discipline. - Warranty Provider
An organization responsible for administering home warranty programs. - Window Supplier
A company providing residential window products and technical support. - Building Scientist
A specialist focused on the interaction of heat, air, moisture, and building durability. - Permit Expediter
A professional who assists with permit processing and approvals. - Energy Modeller
A professional who prepares building energy simulations for code compliance. - Fire Protection Engineer
An engineer specializing in fire and life safety systems. - Accessibility Consultant
A specialist advising on accessible design requirements. - Materials Supplier
A company providing construction materials and products. - Manufacturer Representative
A technical specialist representing building product manufacturers. - Owner’s Representative
A professional acting on behalf of a property owner during a project. - Developer
An individual or company responsible for planning, financing, and managing real estate developments. - Owner-Builder
A property owner who assumes responsibility for managing construction. - Real Estate Professional
A licensed professional assisting with property acquisition and sales. - Mortgage Broker
A professional who assists clients in obtaining construction or mortgage financing. - Construction Lender
A financial institution providing financing for construction projects. - Appraiser
A professional who determines the market value of a property. - Property Manager
A professional responsible for managing rental or investment properties. - Municipal Planner
A municipal employee responsible for land use planning and development review.
Construction Materials & Products
- Aggregate
Crushed stone, gravel, or sand used in concrete and drainage systems. - Asphalt
A petroleum-based material commonly used for roofing and paving. - Cedar
A naturally durable wood commonly used for siding, soffits, and exterior trim. - Cement
A binding ingredient used in concrete and mortar. - Composite Decking
A decking material manufactured from wood fibres and recycled plastics. - Concrete Block
A manufactured masonry unit used for walls and foundations. - Copper Pipe
A durable metal pipe commonly used for water distribution systems. - Drywall
Gypsum board used to finish interior walls and ceilings. - Engineered Hardwood
Flooring consisting of a hardwood wear layer attached to an engineered core. - Engineered Stone
A manufactured stone product used for countertops and surfaces. - Fiberglass Insulation
A common insulation material made from fine glass fibres. - Floor Levelling Compound
A material used to create a smooth floor surface before finish flooring installation. - Glass Fibre Reinforced Concrete
Concrete reinforced with glass fibres for improved strength. - Granite
A natural stone commonly used for countertops and decorative surfaces. - Gravel
Crushed stone used for drainage and structural support. - Gypsum Board
Another term for drywall. - Hardie Board
A fibre cement siding product widely used in residential construction. - House Wrap
A weather-resistant barrier installed behind exterior cladding. - Irrigation Pipe
Piping used to distribute water to landscaping systems. - Laminated Veneer Lumber (LVL)
An engineered wood product used for beams and headers. - Lumber
Wood products used for framing and construction. - Medium Density Fibreboard (MDF)
An engineered wood panel commonly used for interior trim and cabinetry. - Mortar
A mixture used to bond masonry units together. - Oriented Strand Board (OSB)
An engineered wood panel commonly used for sheathing. - Particle Board
An engineered wood product made from compressed wood particles. - Plywood
An engineered wood panel manufactured from multiple layers of veneer. - Polyethylene Vapour Barrier
A plastic membrane used to control moisture movement. - Pressure Treated Lumber
Wood treated to resist decay and insect damage. - PVC Trim
Exterior trim manufactured from durable plastic materials. - Quartz
An engineered stone product commonly used for countertops. - Rebar
Steel reinforcement installed within concrete. - Rigid Insulation
Board-style insulation installed in walls, roofs, and foundations. - Rockwool Insulation
A mineral wool insulation known for fire resistance and sound control. - Sand
A granular material used in concrete, mortar, and site preparation. - Self-Levelling Compound
A flooring material used to create smooth surfaces. - Silicone Sealant
A flexible sealant used around windows, doors, and fixtures. - Spray Foam Insulation
An insulation product applied as a liquid that expands into foam. - Steel Stud
A metal framing member used in certain wall assemblies. - Stucco
A cement-based exterior finish. - Tempered Glass
Safety glass designed to break into small pieces rather than sharp shards. - Thinset Mortar
A bonding material used beneath tile installations. - Tyvek
A commonly used brand of weather-resistant house wrap. - Vinyl Flooring
A resilient flooring product available in sheets, planks, or tiles. - Vinyl Siding
An exterior cladding manufactured from PVC. - Weather-Resistive Barrier
A material installed behind cladding to resist moisture intrusion. - Wood Veneer
A thin decorative layer of real wood applied to a substrate. - Wood Fibre Insulation
An insulation product manufactured from processed wood fibres. - XPS Insulation
Extruded polystyrene rigid insulation commonly used below grade.
Landscaping & Outdoor Features
- Artificial Turf
A synthetic grass product designed to replicate the appearance of natural lawn. - Bark Mulch
A landscaping material used to retain moisture and suppress weeds. - Bollard Light
A short outdoor lighting fixture commonly used along pathways and driveways. - Composite Fence
A fence manufactured from composite materials for durability and low maintenance. - Composite Decking
Deck boards manufactured from recycled plastics and wood fibres. - Concrete Patio
An outdoor living area constructed from concrete. - Deck
An elevated outdoor platform attached to or separate from a building. - Deck Railing
A protective barrier installed around a deck perimeter. - Decorative Gravel
Stone material used for landscaping and drainage applications. - Driveway
A vehicle access route connecting a property to a roadway. - Driveway Apron
The transition area between a driveway and public road. - Fence
A structure used to define boundaries, improve privacy, and enhance security. - Fire Pit
An outdoor feature designed for recreational fires. - French Drain
A drainage system designed to redirect water away from structures. - Gabion Wall
A retaining wall constructed using wire baskets filled with stone. - Garden Bed
A designated area used for planting shrubs, flowers, or vegetables. - Gazebo
A freestanding outdoor shelter structure. - Ground Cover
Low-growing plants used to cover exposed soil. - Hardscape
Non-plant landscape elements such as patios, retaining walls, and walkways. - Hot Tub Pad
A reinforced surface designed to support a hot tub. - Irrigation System
A system designed to distribute water to landscaping areas. - Landscape Fabric
A permeable material used beneath landscaping materials to control weeds. - Landscape Lighting
Outdoor lighting used for aesthetics, safety, and security. - Landscape Plan
A drawing showing proposed landscaping features and plantings. - Mulch
Material placed over soil to conserve moisture and reduce weed growth. - Outdoor Fireplace
A permanent outdoor structure designed for recreational fires. - Outdoor Kitchen
An exterior cooking and entertainment area. - Patio
A ground-level outdoor living space. - Patio Cover
A roof structure protecting a patio from weather. - Paver
A manufactured stone or concrete unit used for walkways and patios. - Pergola
An outdoor structure consisting of posts and overhead beams. - Privacy Screen
A structure designed to provide visual separation between spaces. - Raised Planter
A planting area elevated above surrounding grade. - Retaining Wall
A wall designed to support soil at different elevations. - River Rock
Rounded stone commonly used for decorative landscaping and drainage. - Rock Garden
A landscaped area incorporating decorative stone and plants. - Sod
Pre-grown grass installed to create an instant lawn. - Sprinkler System
An irrigation system using spray heads to distribute water. - Stepping Stones
Individual stones used to create pedestrian pathways. - Swale
A shallow landscaped channel designed to manage drainage. - Topsoil
The upper layer of soil used for planting and landscaping. - Trellis
A structure supporting climbing plants. - Walkway
A path designed for pedestrian use. - Water Feature
A decorative landscape element incorporating moving or stationary water. - Weed Barrier
A material installed beneath landscaping surfaces to reduce weed growth. - Xeriscaping
A landscaping approach designed to reduce water consumption. - Yard Drain
A drainage inlet collecting surface water. - Landscape Berm
A raised mound of soil used for screening, drainage, or visual interest. - Outdoor Living Space
A landscaped area designed for recreation and entertainment.
Residential Real Estate & Financing
- Amortization
The period over which a mortgage is repaid. - Appraisal
A professional assessment of a property’s market value. - Appraised Value
The estimated market value determined by a qualified appraiser. - Assessment
The value assigned to a property by a government assessment authority for taxation purposes. - Bridge Financing
Short-term financing used until permanent financing is secured. - Cash Flow
The income remaining after all expenses related to a property have been paid. - Closing Costs
Expenses incurred when purchasing or financing a property. - Construction Financing
A loan specifically designed to fund construction projects. - Construction Mortgage
A mortgage that advances funds as construction progresses. - Contingency Fund
Money set aside for unexpected expenses. - Debt Service
The total amount required to repay loans and interest. - Deposit
Money paid as part of a purchase or construction agreement. - Down Payment
The portion of a purchase price paid upfront by the buyer. - Draw
A scheduled release of funds during construction. - Draw Mortgage
A mortgage where funds are released in stages as work is completed. - Equity
The difference between a property’s value and the outstanding debt against it. - Fixed Interest Rate
An interest rate that remains unchanged during the loan term. - Holding Costs
Expenses incurred while owning property before completion or sale. - Interest Rate
The cost of borrowing money expressed as a percentage. - Land Value
The value attributed solely to the land portion of a property. - Loan-to-Value Ratio (LTV)
The ratio between a loan amount and the property’s value. - Mortgage
A loan secured against real property. - Mortgage Broker
A professional who assists borrowers in obtaining financing. - Mortgage Payment
A scheduled payment consisting of principal and interest. - Open Mortgage
A mortgage that can be repaid early without significant penalties. - Pre-Approval
A lender’s preliminary confirmation of borrowing capacity. - Principal
The original amount borrowed under a loan. - Property Tax
A tax levied by local government based on property assessment. - Refinancing
Replacing an existing loan with a new loan. - Rental Income
Income generated from leasing a property or dwelling unit. - Return on Investment (ROI)
A measurement used to evaluate investment performance. - Term
The length of time a mortgage agreement remains in effect. - Variable Interest Rate
An interest rate that may change during the mortgage term. - Working Capital
Funds available for ongoing project expenses. - Construction Budget
The total projected cost of a construction project. - Cost Overrun
Expenses exceeding the original budget. - Contingency Reserve
Funds allocated for unforeseen construction costs. - Builder’s Draw
A payment request submitted during construction. - Progress Draw
A lender’s release of funds based on completed construction milestones. - Completion Certificate
Documentation confirming a stage of construction has been completed. - Occupancy Financing
Financing arrangements that begin after occupancy. - Home Equity
The owner’s financial interest in a property. - Mortgage Renewal
The process of renewing a mortgage at the end of its term. - Investment Property
A property acquired primarily for income or appreciation. - Income Property
A property generating rental income. - Capital Appreciation
An increase in property value over time. - Exit Strategy
A plan for selling, refinancing, or retaining a property investment. - Property Portfolio
A collection of real estate assets owned by an individual or organization. - Leverage
The use of borrowed funds to increase investment potential. - Construction Loan
A short-term loan used to finance building projects.
Residential Safety, Building Code & Inspections
- Accessibility
The design of buildings to accommodate people with varying mobility and physical abilities. - Alarm System
A system designed to detect intrusion, fire, or other emergencies. - Building Code
A set of regulations establishing minimum standards for safety, health, and structural performance. - Building Inspection
A review conducted by municipal officials to verify compliance with approved plans and codes. - Carbon Monoxide Alarm
A safety device that detects carbon monoxide gas. - Code Compliance
Meeting the requirements of applicable building regulations. - Combustible Material
A material capable of burning or contributing to fire. - Emergency Exit
A designated means of escape during an emergency. - Egress
The ability to safely exit a building. - Egress Window
A window meeting minimum size requirements for emergency escape and rescue. - Electrical Inspection
An inspection verifying compliance of electrical installations. - Exit Route
The path occupants follow to safely leave a building. - Fall Protection
Measures designed to prevent injuries from falls. - Final Inspection
The last inspection conducted before occupancy approval. - Fire Blocking
Materials installed within concealed spaces to slow the spread of fire. - Fire Code
Regulations governing fire safety requirements. - Fire Door
A door assembly designed to resist the spread of fire. - Fire Resistance Rating
The length of time a building assembly can resist fire exposure. - Fire Separation
A wall, floor, or ceiling assembly designed to slow the spread of fire. - Fire Stopping
Materials installed around penetrations to maintain fire resistance ratings. - Flame Spread Rating
A measurement of how quickly fire spreads across a material surface. - Framing Inspection
An inspection verifying structural framing before concealment. - Gas Inspection
An inspection of gas piping and equipment installations. - Guardrail
A protective barrier installed to prevent falls from elevated surfaces. - Handrail
A graspable rail provided for safety on stairs and ramps. - Health and Safety
Practices designed to protect workers and occupants from injury. - Life Safety
Building features intended to protect occupants during emergencies. - Mechanical Inspection
An inspection of heating, ventilation, and mechanical systems. - Occupancy Inspection
An inspection determining whether a building is safe for occupancy. - Permit Inspection
Any inspection required during the permit process. - Plumbing Inspection
An inspection verifying plumbing installations comply with approved requirements. - Rough-In Inspection
An inspection conducted before systems are concealed behind finishes. - Safety Glazing
Glass designed to reduce injury risk when broken. - Safety Plan
A documented plan outlining procedures to reduce hazards. - Smoke Alarm
A device that detects smoke and warns occupants of fire. - Smoke Detector
A component of a fire alarm system that detects smoke. - Stair Geometry
Building code requirements governing stair dimensions. - Structural Inspection
An inspection verifying structural components and connections. - Temporary Safety Fence
A barrier installed to secure construction sites. - Trip Hazard
A condition that may cause someone to stumble or fall. - Ventilation Requirement
Minimum fresh air requirements established by building codes. - WorkSafeBC
British Columbia’s workplace health and safety authority. - Worker Protection
Measures implemented to protect workers on construction sites. - Building Occupancy Classification
A category used by building codes to identify building use and applicable requirements. - Emergency Lighting
Lighting designed to operate during power outages. - Exit Sign
A sign identifying emergency exit routes. - Fire Alarm System
A system designed to detect and warn occupants of fire conditions. - Fire Extinguisher
Portable equipment used to suppress small fires. - Guard Height
The minimum required height of a guardrail. - Slip Resistance
The ability of a surface to reduce slipping hazards. - Safety Inspection
An inspection focused on identifying and correcting hazards. - Building Permit Inspection Record
Documentation showing completed inspections and approvals. - Code Deficiency
A condition that does not comply with applicable regulations. - Inspection Approval
Confirmation that inspected work meets required standards. - Inspection Correction Notice
A notice identifying deficiencies requiring correction before approval. - Life Safety System
A system intended to protect building occupants during emergencies. - Occupant Load
The maximum number of people permitted within a space. - Safety Barrier
A protective feature designed to prevent injury. - Stair Guard
A guardrail installed along open sides of stairways. - Tempered Safety Glass
Specially treated glass designed to reduce injury when broken.
Construction Acronyms & Abbreviations
- ABS
Acrylonitrile Butadiene Styrene – a plastic pipe commonly used for drainage systems. - ACH50
Air Changes per Hour at 50 Pascals – a measurement of building airtightness. - AFCI
Arc Fault Circuit Interrupter – an electrical safety device. - AHJ
Authority Having Jurisdiction – the organization responsible for code enforcement. - BCBC
British Columbia Building Code. - BC Housing
The provincial organization responsible for licensing residential builders and administering homeowner protection requirements. - BTU
British Thermal Unit – a measurement of heating and cooling energy. - CAC
Community Amenity Contribution. - CFM
Cubic Feet per Minute – a measurement of airflow. - CHBA
Canadian Home Builders’ Association. - CO
Carbon Monoxide. - CSA
Canadian Standards Association. - CSA F280
Canadian standard used for residential heat-loss and heat-gain calculations. - DCC
Development Cost Charge. - DP
Development Permit. - DWV
Drain, Waste, and Vent piping system. - EER
Energy Efficiency Ratio. - EVC
Electric Vehicle Charger. - ERV
Energy Recovery Ventilator. - FSR
Floor Space Ratio. - GC
General Contractor. - GFCI
Ground Fault Circuit Interrupter. - GPM
Gallons Per Minute. - HRV
Heat Recovery Ventilator. - HVAC
Heating, Ventilation, and Air Conditioning. - IAQ
Indoor Air Quality. - IBC
Insulated Building Component. - LVL
Laminated Veneer Lumber. - LVP
Luxury Vinyl Plank flooring. - MDF
Medium Density Fibreboard. - MERV
Minimum Efficiency Reporting Value – an air filter performance rating. - MPa
Megapascal – a measurement of concrete strength. - NTS
Not To Scale. - OCP
Official Community Plan. - OSB
Oriented Strand Board. - PEX
Cross-Linked Polyethylene piping. - PSI
Pounds Per Square Inch. - PVC
Polyvinyl Chloride piping. - PRV
Pressure Reducing Valve. - RFI
Request For Information. - ROI
Return On Investment. - RSI
Metric thermal resistance value. - RTU
Roof Top Unit. - SEER
Seasonal Energy Efficiency Ratio. - SHGC
Solar Heat Gain Coefficient. - SIP
Structural Insulated Panel. - SPF
Spray Polyurethane Foam insulation. - SRW
Statutory Right-of-Way. - TJI
Trus Joist I-Joist. - U-Value
A measurement of heat transfer through a building component. - UPS
Uninterruptible Power Supply. - VAV
Variable Air Volume. - VOC
Volatile Organic Compound. - WB
Weather Barrier. - WRB
Weather Resistive Barrier. - WSBC
WorkSafeBC. - WWR
Window-to-Wall Ratio. - 2-5-10
The standard BC new home warranty program covering labour, materials, building envelope, and structural defects.
Luxury Home Features & Upgrades
- Accent Wall
A feature wall designed to create visual interest through materials, colours, or textures. - Backup Generator
A standby power system that automatically provides electricity during power outages. - Balcony
An elevated outdoor platform attached to a building. - Butler Pantry
A secondary food preparation and storage area located adjacent to the main kitchen. - Built-In Speakers
Audio speakers integrated into walls or ceilings. - Cabana
A detached outdoor structure used for relaxation or entertaining. - Central Vacuum System
A built-in vacuum cleaning system installed throughout a home. - Covered Patio
An outdoor living area protected by a permanent roof structure. - Curbless Shower
A shower without a raised threshold, providing a seamless floor transition. - Custom Closet System
A professionally designed storage and organization system. - Designer Lighting
Premium decorative lighting fixtures selected for aesthetics and performance. - Double Kitchen Island
A kitchen layout featuring two separate islands. - Electric Vehicle Charging Station
A dedicated charging unit for electric vehicles. - Elevator Rough-In
Structural and mechanical provisions installed for future elevator installation. - Entertainment Room
A room designed for movies, gaming, and media activities. - Feature Fireplace
A fireplace designed as a prominent architectural element. - Floating Staircase
A staircase designed to appear unsupported or suspended. - Golf Simulator Room
A dedicated room designed for indoor golf simulation equipment. - Great Room
A large open-concept living area combining multiple functions. - Guest Suite
A private bedroom and bathroom area designed for visitors. - Gym Room
A dedicated exercise and fitness space within a home. - Heated Driveway
A driveway system using electric or hydronic heating to melt snow and ice. - Heated Floors
A radiant heating system installed beneath flooring finishes. - Home Automation
Technology allowing control of lighting, security, climate, and entertainment systems. - Home Office
A dedicated workspace within a residence. - Home Theatre
A room specifically designed for movie viewing and entertainment. - Hot Tub Area
A designated space designed to accommodate a hot tub installation. - Indoor Sauna
A room designed for dry heat therapy and relaxation. - Integrated Appliances
Appliances designed to blend seamlessly with cabinetry. - Motorized Blinds
Window coverings operated electronically through switches or smart controls. - Mud Room
A transition area designed for footwear, coats, and outdoor gear. - Outdoor Fireplace
A permanent fireplace located within an outdoor living area. - Outdoor Kitchen
An exterior cooking and entertainment area. - Outdoor Living Room
A furnished outdoor space designed for relaxation and entertaining. - Outdoor Shower
A shower located outside the home. - Panoramic Windows
Large windows designed to maximize views and natural light. - Pocket Door
A sliding door that retracts into a wall cavity. - Prep Kitchen
A secondary kitchen used for food preparation and cleanup. - Private Rooftop Deck
An outdoor deck located on a roof structure. - Security Camera System
A surveillance system used for property monitoring. - Smart Home
A home equipped with integrated automation technology. - Smart Thermostat
A thermostat that can be programmed and controlled remotely. - Spice Kitchen
A secondary kitchen commonly used for high-heat cooking and food preparation. - Steam Shower
A shower enclosure equipped with steam generation equipment. - Triple Garage
A garage designed to accommodate three vehicles. - Vaulted Ceiling
A ceiling extending upward to follow the roof structure. - Walk-In Pantry
A room-sized pantry providing extensive kitchen storage. - Wet Bar
A small entertainment area including a sink and beverage preparation space. - Wine Cellar
A temperature-controlled room designed for wine storage. - Wine Display
A decorative wine storage feature integrated into a home design. - Zero Threshold Entry
An entrance designed without steps or raised transitions to improve accessibility. - Smart Lighting System
A lighting system controlled through automation and mobile applications. - Whole-Home Audio System
An integrated audio system providing music throughout multiple rooms. - Whole-Home Water Filtration System
A filtration system treating water supplied to the entire home. - Outdoor Heater
A heating appliance designed to improve comfort in outdoor spaces. - Retractable Patio Screen
A motorized screen system providing insect and sun protection. - Infinity Patio Door
Large sliding glass doors designed to maximize views and indoor-outdoor living. - Designer Feature Ceiling
A decorative ceiling incorporating custom architectural elements.
Common Construction Problems & Defects
- Air Leakage
Uncontrolled movement of air through the building envelope, often reducing energy efficiency and comfort. - Basement Water Intrusion
The entry of groundwater or surface water into a basement or crawl space. - Condensation
Water droplets forming when warm moist air contacts a cold surface. - Concrete Cracking
Cracks that develop in concrete due to shrinkage, settlement, or movement. - Drywall Crack
A visible crack occurring in drywall due to settlement, shrinkage, or structural movement. - Efflorescence
A white powdery deposit that appears on concrete or masonry surfaces due to moisture migration. - Floor Deflection
Noticeable movement or sagging in a floor system under load. - Foundation Settlement
The downward movement of a foundation caused by soil conditions or consolidation. - Frost Heave
Upward movement of soil and foundations caused by freezing moisture in the ground. - Ice Damming
A buildup of ice at roof edges that prevents proper drainage. - Mold Growth
The growth of fungi caused by excessive moisture and poor ventilation. - Nail Pop
A drywall fastener becoming visible due to wood movement or shrinkage. - Roof Leak
Water entering a building through the roof system. - Shrinkage Crack
A crack caused by the natural drying and shrinking of materials. - Settlement Crack
A crack resulting from movement of the building or foundation. - Squeaky Floor
Noise produced by movement between flooring components. - Thermal Bridging
Heat loss through structural components that bypass insulation. - Water Staining
Discoloration caused by moisture intrusion. - Window Condensation
Moisture forming on windows due to temperature differences and indoor humidity. - Wood Shrinkage
Natural dimensional changes in wood as moisture content decreases. - Air Barrier Failure
A condition where the air barrier system no longer performs as intended. - Building Settlement
Natural movement that occurs as a structure adjusts to loads over time. - Caulking Failure
Deterioration or separation of sealant materials. - Drywall Joint Crack
A crack occurring along drywall joints. - Flashing Failure
Improper or damaged flashing that allows water intrusion. - Floor Cupping
A flooring condition where board edges rise higher than the center. - Floor Gapping
Visible spaces developing between flooring boards. - Foundation Movement
Any shifting or displacement of foundation components. - Gutter Overflow
Water spilling over gutters due to blockage or inadequate capacity. - HVAC Imbalance
Uneven heating or cooling throughout a home. - Insulation Compression
Reduced insulation effectiveness caused by compression. - Masonry Crack
A crack occurring within brick, stone, or block construction. - Moisture Intrusion
Unwanted water entering a building assembly. - Paint Peeling
Loss of paint adhesion due to moisture or surface preparation issues. - Ponding Water
Water that remains on surfaces instead of draining away. - Roof Ventilation Deficiency
Insufficient roof ventilation causing moisture or temperature problems. - Rot
Deterioration of wood caused by prolonged moisture exposure. - Settlement Gap
A visible gap created by building movement. - Slab Crack
A crack occurring within a concrete slab. - Spalling
The flaking or breaking away of concrete surfaces. - Structural Movement
Movement of structural components caused by loads or environmental conditions. - Stucco Crack
A crack occurring within stucco finishes. - Uneven Floor
A floor surface that is not level. - Vapour Barrier Damage
Damage reducing the effectiveness of a vapour barrier system. - Water Ponding
Standing water accumulating on a surface. - Window Air Leakage
Uncontrolled air movement around window assemblies. - Window Seal Failure
Failure of the seal within insulated glass units. - Wood Warping
Distortion of wood caused by moisture or temperature changes. - Building Envelope Failure
A condition where components of the building envelope no longer adequately resist air or water penetration. - Drainage Failure
Improper removal of water from a site or building. - Exterior Cladding Failure
Deterioration or improper performance of exterior wall finishes. - Poor Compaction
Insufficient soil densification leading to settlement. - Roof Shingle Curling
Distortion of roofing shingles due to age or weather exposure. - Surface Cracking
Minor cracking occurring on finished surfaces. - Waterproofing Failure
Failure of systems designed to prevent water intrusion. - Wind Damage
Damage caused by high winds affecting roofing, siding, or other building components.
Building Permits & Municipal Approvals
- Application Submission
The formal process of submitting drawings, reports, and documents for municipal review. - Architectural Drawings
Construction drawings showing floor plans, elevations, sections, and design details. - Building Permit
A municipal approval authorizing construction to begin. - Building Permit Fee
A fee charged by a municipality for reviewing and issuing permits. - Building Permit Number
The unique identification number assigned to a permit application. - Building Permit Review
The process of evaluating submitted plans for compliance with regulations. - Building Permit Conditions
Requirements that must be satisfied before or during construction. - Building Permit Issuance
The formal approval allowing construction to commence. - Building Permit Closure
The process of finalizing and closing a permit after project completion. - Building Department
The municipal department responsible for permit review and inspections. - Boulevard Permit
A permit required for work affecting municipal boulevards or public property. - Civil Drawings
Engineering drawings showing grading, drainage, and servicing requirements. - Code Review
An assessment of plans for compliance with applicable building regulations. - Consultant Letter
Documentation provided by professionals supporting permit applications. - Construction Value Declaration
The estimated value of a project provided during permit application. - Demolition Permit
A permit required before removing an existing structure. - Development Permit
A municipal approval required in specific areas or circumstances before building permits can be issued. - Development Permit Area (DPA)
An area where additional development regulations apply. - Development Permit Conditions
Requirements attached to development approvals. - Drawing Revision
A modification made to permit drawings. - Electrical Permit
A permit required for electrical installations and modifications. - Engineering Schedule
A professional document confirming design responsibility and review. - Excavation Permit
A permit required before certain excavation activities begin. - Final Approval
Confirmation that all permit requirements have been satisfied. - Final Occupancy
The final stage allowing full building occupancy. - Fire Department Review
Review of plans by fire authorities when applicable. - Gas Permit
A permit required for gas piping and equipment installations. - Geotechnical Report
A report evaluating soil conditions and foundation recommendations. - Inspection Request
A request submitted to schedule a municipal inspection. - Land Use Approval
Approval related to property development and zoning compliance. - Landscape Plan
A drawing showing proposed landscaping features and site improvements. - Municipal Approval
Authorization issued by a municipality allowing a project to proceed. - Occupancy Permit
Approval confirming a building is safe for occupation. - Partial Occupancy
Permission allowing occupancy of a portion of a project before full completion. - Permit Amendment
A modification to an approved permit. - Permit Conditions
Requirements attached to permit approval. - Permit Coordinator
A professional who assists with permit applications and approvals. - Permit Expediting
Professional assistance intended to streamline permit processing. - Permit Extension
Additional time granted before permit expiration. - Permit Expiry
The date after which an inactive permit may become invalid. - Permit Hold
A temporary suspension preventing permit issuance or progress. - Permit Package
The collection of drawings, reports, and forms submitted for review. - Permit Revision
Changes made after permit issuance requiring municipal approval. - Plan Check
Municipal review of submitted drawings and documents. - Plan Checker
A municipal reviewer responsible for evaluating permit applications. - Plumbing Permit
A permit required for plumbing system installations. - Posting Plan
A survey document identifying property boundaries and dimensions. - Professional Schedule
A document provided by engineers or architects accepting professional responsibility. - Required Documents
The drawings, forms, and reports needed for permit review. - Resubmission
The process of submitting revised plans following review comments. - Review Comments
Comments issued by municipal reviewers identifying required revisions. - Schedule B
A professional assurance document commonly used in British Columbia. - Schedule C
A professional assurance document confirming field reviews have been completed. - Site Plan
A drawing showing building locations, setbacks, driveways, and site features. - Site Servicing Plan
A drawing showing utility connections and municipal services. - Structural Drawings
Engineering drawings showing structural design and requirements. - Survey Certificate
A survey document verifying property conditions and building locations. - Topographical Survey
A survey identifying elevations, grades, structures, and site features. - Tree Permit
A permit required for removal or alteration of protected trees. - Variance Application
A request to vary specific zoning requirements. - Zoning Compliance
Confirmation that a proposed project meets zoning regulations. - Zoning Review
Municipal review of a project’s compliance with zoning bylaws.
BC Housing, Licensing & Home Warranty
- BC Housing
The provincial organization responsible for licensing residential builders and overseeing homeowner protection requirements in British Columbia. - Licensed Residential Builder
A builder registered and licensed with BC Housing to construct new homes in British Columbia. - Builder Licence
Authorization issued by BC Housing allowing eligible builders to construct and sell new homes. - Licence Number
The unique identification number assigned to a licensed builder. - Homeowner Protection Act
Provincial legislation governing residential builder licensing and home warranty requirements. - Owner Builder Authorization
Approval allowing a property owner to act as their own builder under specific conditions. - Owner Builder
A homeowner who assumes responsibility for constructing their own residence. - Owner Builder Declaration
Documentation confirming owner-builder responsibilities and obligations. - Residential Builder Registry
The provincial database of licensed residential builders. - Builder Registration
The process of becoming licensed to construct new homes. - New Home Registration
The registration of a new home with BC Housing before construction begins. - Home Warranty Insurance
Insurance protecting homeowners against specific construction defects. - 2-5-10 Home Warranty
The standard warranty coverage required for most new homes in British Columbia. - 2-Year Labour & Materials Warranty
Coverage protecting against defects in labour and materials during the first two years. - 5-Year Building Envelope Warranty
Coverage protecting against defects affecting the building envelope for five years. - 10-Year Structural Warranty
Coverage protecting against major structural defects for ten years. - Warranty Provider
The insurance company administering warranty coverage. - Warranty Certificate
Documentation confirming warranty coverage has been obtained. - Warranty Commencement Date
The date warranty coverage begins. - Warranty Claim
A request submitted for correction of a covered defect. - Warranty Coverage
The protection provided under a home warranty policy. - Warranty Exclusion
Items or conditions not covered by warranty insurance. - Warranty Period
The duration of warranty protection. - Warranty Defect
A defect potentially covered under a warranty policy. - Building Envelope Warranty
Coverage specifically related to water penetration through the building envelope. - Major Structural Defect
A significant structural failure affecting the use or safety of a building. - Material Defect
A defect caused by faulty or unsuitable materials. - Workmanship Defect
A defect resulting from improper installation or construction practices. - Performance Standard
The criteria used to determine acceptable workmanship and construction quality. - Deficiency
An incomplete or unsatisfactory item requiring correction. - Warranty Inspection
An inspection conducted in relation to warranty concerns. - Warranty Resolution
The process of addressing and resolving warranty issues. - Builder Responsibility
Obligations of a builder under applicable laws and contracts. - Homeowner Responsibility
Maintenance and care obligations expected of homeowners. - Maintenance Manual
A document outlining recommended maintenance procedures for a home. - Maintenance Requirement
Actions required to preserve building performance and warranty coverage. - Latent Defect
A hidden defect not immediately apparent at the time of completion. - Patent Defect
A visible defect that can be readily identified. - Construction Defect
A deficiency in design, materials, or workmanship. - Dispute Resolution
A process used to resolve disagreements between parties. - Insurance Certificate
Documentation confirming insurance coverage. - General Liability Insurance
Insurance protecting against third-party injury and property damage claims. - Builder’s Risk Insurance
Insurance covering a project during construction. - Professional Liability Insurance
Insurance protecting professionals against claims arising from errors or omissions. - Certificate of Possession
Documentation confirming transfer of possession to a homeowner. - Occupancy Date
The date a homeowner is permitted to occupy a building. - Completion Date
The date construction is substantially complete. - Warranty Transfer
The transfer of warranty coverage to a subsequent homeowner. - Homeowner Protection
Measures intended to safeguard purchasers of new homes. - Builder Compliance
Adherence to licensing, warranty, and regulatory requirements. - Licensed and Insured
A term indicating a builder holds required licences and insurance coverage. - Residential Construction Consumer Protection
The system of regulations protecting new home buyers. - Building Envelope
The walls, roof, windows, doors, and related components protecting a building from the elements. - Water Penetration
The unwanted entry of water into a building assembly. - Structural Integrity
The ability of a structure to safely support intended loads. - Field Review
A professional review conducted during construction to verify compliance with design intent. - Record Drawing
A drawing reflecting the final constructed condition of a project. - Occupancy Authorization
Formal approval permitting use of a completed building. - Consumer Protection
Legislation and programs designed to protect purchasers and homeowners. - Good Building Practice
Industry-recognized methods and standards used in residential construction.
Green Building, Sustainability & Healthy Homes
- Air Quality
The overall condition and cleanliness of indoor air. - Air Sealing
The process of reducing unwanted air leakage through the building envelope. - Carbon Footprint
The total greenhouse gas emissions associated with a building or activity. - Carbon Neutral
A condition where carbon emissions are balanced by carbon reductions or offsets. - Clean Energy
Energy obtained from renewable or low-emission sources. - Climate Resilience
The ability of a building to withstand changing environmental conditions. - Continuous Insulation
Insulation installed without significant thermal interruptions. - Daylighting
The use of natural light to illuminate interior spaces. - Decarbonization
The reduction of carbon emissions associated with buildings and energy use. - Demand-Control Ventilation
A ventilation system that adjusts airflow based on occupancy or indoor conditions. - Drought-Tolerant Landscaping
Landscaping designed to minimize water consumption. - Electric Vehicle Ready
A home designed to accommodate future EV charger installation. - Embodied Carbon
Carbon emissions associated with manufacturing and transporting building materials. - Energy Conservation
Reducing energy consumption through efficient design and operation. - Energy Efficient Appliance
An appliance designed to use less energy while maintaining performance. - Energy Star
A certification identifying energy-efficient products and equipment. - Energy Recovery
The process of capturing and reusing energy that would otherwise be lost. - Environmentally Responsible Design
Building design that minimizes environmental impacts. - Grey Water Reuse
The collection and reuse of water from sinks, showers, and laundry systems. - Green Building
Construction practices focused on environmental responsibility and sustainability. - Greenhouse Gas Emissions
Gases that contribute to climate change. - Healthy Home
A home designed to promote occupant health and comfort. - Heat Island Effect
The increase in temperatures caused by urban development and hard surfaces. - High-Efficiency Equipment
Mechanical equipment designed to minimize energy consumption. - High-Performance Building
A building exceeding minimum standards for efficiency and comfort. - Indoor Environmental Quality
The combined quality of indoor air, lighting, comfort, and acoustics. - LED Lighting
Energy-efficient lighting technology using light-emitting diodes. - Low Carbon Design
Building design intended to reduce greenhouse gas emissions. - Low VOC Materials
Materials containing reduced levels of volatile organic compounds. - Low VOC Paint
Paint formulated to minimize harmful chemical emissions. - Natural Ventilation
Ventilation achieved through windows and openings rather than mechanical equipment. - Net Zero Energy Home
A home producing as much energy as it consumes annually. - Net Zero Ready Home
A home designed so renewable energy systems can be added later to achieve Net Zero performance. - Passive House
An advanced building standard focused on exceptional energy efficiency and comfort. - Photovoltaic Panel
A solar panel that converts sunlight into electricity. - Rainwater Harvesting
The collection and storage of rainwater for future use. - Recycled Content
Materials containing recycled components. - Renewable Energy
Energy obtained from naturally replenished sources. - Resource Efficiency
The efficient use of materials, water, and energy. - Solar Energy
Energy generated from sunlight. - Solar Panel
Equipment used to convert sunlight into electricity. - Solar Ready
A building designed to accommodate future solar panel installation. - Solar Thermal System
A system using sunlight to heat water. - Sustainable Construction
Construction practices focused on long-term environmental responsibility. - Sustainable Design
Design strategies intended to reduce environmental impacts. - Sustainable Materials
Building materials selected for environmental performance. - Thermal Comfort
The condition in which occupants feel comfortable with indoor temperatures. - Urban Forestry
The management and preservation of trees within developed areas. - Ventilation Effectiveness
The ability of a ventilation system to provide fresh air efficiently. - Water Conservation
Reducing water consumption through efficient fixtures and practices. - Water Efficient Fixtures
Plumbing fixtures designed to minimize water use. - WaterSense
A certification identifying water-efficient plumbing products. - Whole Home Energy Efficiency
The overall energy performance of a residential building. - Zero Carbon Home
A home designed to minimize or eliminate operational carbon emissions. - Zero Waste Construction
Construction practices aimed at minimizing landfill waste. - Biophilic Design
Design that incorporates natural elements to improve occupant well-being. - Heat Pump Water Heater
A water heater using heat pump technology to improve efficiency. - Smart Energy Management
Technology used to monitor and optimize energy consumption. - Building Durability
The ability of a building to maintain performance over time. - Future-Proofing
Designing a home to accommodate future technologies and changing needs.
Smart Homes, Technology & Security
- Access Control System
A system used to manage and restrict access to a property or specific areas within a building. - Alarm Monitoring
A service that monitors security systems and responds to emergency events. - Automated Blinds
Window coverings that can be controlled electronically or through smart home systems. - Backup Internet Connection
A secondary internet service providing connectivity during outages. - CAT6 Cable
A high-performance network cable commonly used for internet and communication systems. - Cloud Storage
Remote digital storage used for security footage, files, and smart home data. - Control Panel
The central interface used to operate security and automation systems. - Digital Door Lock
An electronic lock operated using codes, cards, smartphones, or biometrics. - Door Contact Sensor
A sensor that detects when a door is opened or closed. - Electric Gate System
A motorized gate controlled electronically. - Face Recognition Access
A security system using facial recognition technology for access control. - Fiber Optic Internet
High-speed internet service using fibre optic cables. - Geofencing
Technology that automatically triggers actions based on a user’s location. - Home Automation
Technology allowing centralized control of home systems. - Home Network
The communication system connecting devices within a residence. - Intercom System
A communication system allowing voice or video communication between locations. - Keyless Entry
A system allowing access without a traditional key. - Mesh Wi-Fi
A wireless network system using multiple access points to improve coverage. - Mobile App Control
The ability to monitor and operate home systems through a smartphone application. - Motion Detector
A device that detects movement within a monitored area. - Occupancy Sensor
A sensor used to detect the presence of occupants and control systems automatically. - Outdoor Security Camera
A camera installed outside a building for surveillance purposes. - Panic Button
A device used to trigger an emergency response. - Remote Access
The ability to monitor or control systems from another location. - Remote Monitoring
The observation of building systems through connected technology. - Security Camera
A camera used to monitor and record activities. - Security System
A collection of devices designed to protect people and property. - Smart Appliance
An appliance capable of communication, automation, or remote control. - Smart Doorbell
A doorbell equipped with a camera and communication features. - Smart Garage Door Opener
A garage door system capable of remote operation. - Smart Home
A residence equipped with integrated automation technologies. - Smart Irrigation System
An irrigation system using sensors and weather data to optimize watering. - Smart Lighting
Lighting systems capable of automated or remote control. - Smart Lock
An electronic lock controlled through technology rather than traditional keys. - Smart Plug
A device allowing electrical equipment to be controlled remotely. - Smart Security System
A security system integrated with smart home technology. - Smart Speaker
A voice-controlled device used to operate connected systems. - Smart Thermostat
A programmable thermostat capable of learning and remote control. - Structured Wiring
A centralized wiring system supporting communication and technology infrastructure. - Surveillance System
A system used to monitor activities through cameras and sensors. - Touchscreen Controller
A wall-mounted control interface for home automation systems. - Video Doorbell
A doorbell equipped with video communication capabilities. - Voice Control
The operation of systems through spoken commands. - Wi-Fi Network
A wireless communication network used to connect devices. - Whole Home Audio
An integrated sound system serving multiple rooms. - Whole Home Wi-Fi
A network system designed to provide wireless coverage throughout a residence. - Window Sensor
A device detecting whether a window is open or closed. - Wireless Access Point
A device extending wireless network coverage. - Wireless Security System
A security system communicating through wireless technology. - Z-Wave
A wireless communication protocol commonly used in smart home systems. - Zigbee
A wireless communication protocol used for home automation devices. - Network Rack
An enclosure housing communication and networking equipment. - Power Over Ethernet (PoE)
Technology allowing electrical power and data transmission through a single cable. - Smart Energy Monitoring
A system that tracks and analyzes energy consumption. - Leak Detection Sensor
A sensor designed to detect water leaks and notify occupants. - Water Shut-Off Automation
A system capable of automatically shutting off water when leaks are detected. - Smart Smoke Alarm
A smoke alarm capable of sending notifications to mobile devices. - Smart Carbon Monoxide Detector
A carbon monoxide detector integrated with smart home systems. - Remote Gate Access
A system allowing gate operation from a remote location. - Biometric Access Control
A security system using fingerprints, facial recognition, or similar identifiers. - Home Server
A dedicated computer used to manage smart home and network functions.
Kitchen, Bathroom & Appliance Terminology
- Apron Sink
A sink with an exposed front panel, commonly known as a farmhouse sink. - Backsplash
A protective and decorative wall finish installed behind countertops and sinks. - Bar Sink
A secondary sink typically installed in entertainment or beverage areas. - Beverage Centre
A dedicated refrigeration unit for drinks and wine storage. - Built-In Appliance
An appliance integrated into cabinetry for a seamless appearance. - Built-In Coffee System
A permanently installed coffee machine integrated into cabinetry. - Built-In Refrigerator
A refrigerator designed to align flush with cabinetry. - Cabinet Pull
A handle used to open cabinet doors and drawers. - Cabinet Refacing
The process of updating cabinet finishes while retaining existing cabinet boxes. - Cooktop
A cooking appliance installed into a countertop surface. - Custom Cabinetry
Cabinets designed and built specifically for a project. - Dishwasher Panel
A decorative panel matching surrounding cabinetry. - Double Oven
An appliance containing two separate oven compartments. - Double Vanity
A bathroom vanity featuring two sinks. - Drop-In Sink
A sink installed from above the countertop surface. - Farmhouse Sink
A large sink featuring an exposed front apron. - Faucet
A fixture used to control water flow. - Floating Vanity
A vanity mounted to the wall without floor supports. - Food Waste Disposer
A device installed beneath a sink to grind food waste. - Freestanding Bathtub
A bathtub designed to stand independently without surrounding structures. - Glass Shower Enclosure
A shower enclosure constructed from glass panels. - Hand Shower
A shower fixture attached to a flexible hose. - Induction Cooktop
A cooking appliance using electromagnetic energy to heat cookware. - Integrated Appliance
An appliance concealed behind matching cabinetry panels. - Kitchen Island
A freestanding cabinet and countertop assembly within a kitchen. - Lazy Susan
A rotating storage accessory installed within corner cabinets. - Microwave Drawer
A microwave installed within lower cabinetry. - Pantry Cabinet
A tall cabinet designed for food storage. - Pot Filler
A water faucet installed near a cooking surface. - Pull-Out Pantry
A sliding storage system providing easier access to pantry items. - Quartz Countertop
An engineered stone countertop manufactured from quartz aggregates. - Rain Shower Head
A shower fixture designed to mimic rainfall. - Range Hood
A ventilation device installed above a cooking surface. - Recessed Medicine Cabinet
A medicine cabinet installed within a wall cavity. - Shower Bench
A built-in seating area within a shower. - Shower Niche
A recessed storage compartment built into a shower wall. - Single Bowl Sink
A sink containing one basin. - Soft-Close Cabinet
Cabinet doors or drawers designed to close quietly. - Steam Shower
A shower enclosure equipped with steam generation equipment. - Tile Shower Base
A custom shower floor finished with tile. - Touchless Faucet
A faucet operated using motion sensors. - Undermount Sink
A sink installed beneath a countertop surface. - Vanity Top
The countertop surface installed on a bathroom vanity. - Vessel Sink
A sink mounted above the countertop surface. - Wall Oven
An oven installed within cabinetry rather than beneath a cooktop. - Walk-In Pantry
A room-sized pantry providing additional storage. - Waterfall Countertop
A countertop design where the material continues vertically down the sides. - Wine Refrigerator
A refrigeration unit designed specifically for wine storage. - Warming Drawer
An appliance used to keep food warm before serving. - Work Triangle
The relationship between the sink, refrigerator, and cooking area within a kitchen layout. - Built-In Freezer
A freezer integrated into cabinetry. - Panel-Ready Appliance
An appliance designed to accept matching cabinet panels. - Convection Oven
An oven using fans to circulate hot air for more even cooking. - Gas Cooktop
A cooking appliance using natural gas or propane. - Electric Cooktop
A cooking appliance using electric heating elements. - Prep Sink
A secondary sink used for food preparation. - Water Filtration System
Equipment used to improve drinking water quality. - Instant Hot Water Dispenser
A fixture providing near-boiling water on demand. - Toe Kick
The recessed space beneath base cabinets. - Cabinet Crown Moulding
Decorative trim installed at the top of cabinetry. - Drawer Organizer
An accessory used to improve cabinet storage and organization.
Homeowner Maintenance & Seasonal Care
- Air Filter Replacement
The routine replacement of HVAC filters to maintain air quality and system efficiency. - Annual Maintenance
Scheduled maintenance performed once per year to maintain building systems. - Attic Inspection
The review of attic conditions for moisture, insulation, ventilation, and potential issues. - Building Maintenance
The ongoing care and upkeep of a property and its systems. - Caulking Maintenance
The inspection and replacement of deteriorated sealants around windows, doors, and exterior penetrations. - Condensate Drain Cleaning
The cleaning of HVAC drainage systems to prevent blockages and water damage. - Deck Maintenance
Cleaning, sealing, and repairing decks to preserve appearance and durability. - Drain Tile Maintenance
Inspection and maintenance of foundation drainage systems. - Driveway Sealing
The application of protective coatings to asphalt driveways. - Dryer Vent Cleaning
Removal of lint and debris from dryer exhaust systems to improve safety and performance. - Exterior Inspection
The periodic review of siding, roofing, windows, and exterior finishes. - Fall Maintenance
Seasonal tasks performed before winter conditions arrive. - Filter Replacement
The scheduled replacement of HVAC air filters. - Foundation Inspection
The examination of foundations for cracking, settlement, and moisture issues. - Furnace Service
Routine maintenance of a furnace to ensure safe and efficient operation. - GFCI Testing
Verification that Ground Fault Circuit Interrupters operate correctly. - Gutter Cleaning
The removal of leaves and debris from gutters and downspouts. - Heat Pump Maintenance
Routine servicing of heat pump equipment to maximize performance. - Home Maintenance Schedule
A planned schedule of maintenance activities throughout the year. - HRV Maintenance
Cleaning and servicing of Heat Recovery Ventilation equipment. - Humidity Control
Management of indoor moisture levels for comfort and building durability. - Ice Dam Prevention
Maintenance measures intended to reduce the risk of ice dam formation. - Interior Inspection
Periodic review of interior finishes and building systems. - Irrigation Winterization
Preparing irrigation systems for freezing temperatures. - Landscaping Maintenance
The care and upkeep of lawns, gardens, and outdoor features. - Mechanical System Maintenance
Routine servicing of heating, cooling, ventilation, and plumbing systems. - Moisture Monitoring
Observation of moisture conditions to prevent damage and mould growth. - Mould Prevention
Practices intended to reduce the likelihood of mould development. - Outdoor Faucet Winterization
Preparing exterior faucets to prevent freezing damage. - Paint Maintenance
Touch-up and upkeep of painted surfaces. - Pressure Washing
Cleaning exterior surfaces using pressurized water. - Roof Inspection
The examination of roofing materials and components for damage or deterioration. - Seasonal Maintenance
Tasks performed at specific times of the year to protect a home. - Smoke Alarm Testing
Routine testing of smoke alarms to ensure proper operation. - Spring Maintenance
Maintenance activities performed after winter conditions. - Sump Pump Testing
Verification that sump pumps operate correctly. - Tree Maintenance
Pruning and care of trees to maintain health and safety. - Vent Cleaning
Cleaning ventilation components to improve airflow and performance. - Warranty Maintenance Requirements
Maintenance obligations necessary to preserve warranty coverage. - Water Heater Flushing
Removal of sediment from water heaters to improve efficiency. - Weatherproofing
Measures intended to improve resistance to weather conditions. - Weep Hole Cleaning
Cleaning wall drainage openings to maintain moisture management. - Window Cleaning
Maintenance of glass and window components. - Window Inspection
Review of windows for seal failure, damage, or air leakage. - Winter Maintenance
Tasks performed to prepare a home for cold weather. - Winterization
Preparing building systems and components for freezing temperatures. - Wood Deck Sealing
Application of protective coatings to wood decks. - Yard Drain Maintenance
Cleaning and inspection of drainage systems. - HVAC Tune-Up
Routine adjustment and servicing of heating and cooling equipment. - Roof Moss Removal
The removal of moss growth from roofing materials. - Drain Cleaning
Maintenance intended to prevent plumbing blockages. - Carbon Monoxide Alarm Testing
Routine testing of carbon monoxide detectors. - Garage Door Maintenance
Inspection and servicing of garage door systems. - Door Hardware Adjustment
Maintenance of hinges, locks, and door hardware. - Sealant Inspection
Review of sealants for cracking, separation, or deterioration. - Exterior Wood Protection
Maintenance intended to preserve exposed wood elements. - Air Sealing Inspection
Review of building envelope performance and air leakage areas. - Storm Preparation
Actions taken to prepare a property for severe weather events. - Preventative Maintenance
Routine maintenance intended to avoid future problems.
Custom Home Design & Architectural Features
- Accessory Dwelling Unit (ADU)
A secondary residential unit located on the same property as a principal residence. - Aging in Place
Design features that allow homeowners to remain comfortably in their homes as they age. - Architectural Style
The overall design character and appearance of a home. - Balcony
An elevated outdoor platform attached to a building. - Bonus Room
A flexible room that can serve multiple purposes such as a playroom, office, or media room. - Breakfast Nook
A small dining area typically located adjacent to a kitchen. - Butler Pantry
A secondary preparation and storage area located between the kitchen and dining spaces. - Cantilevered Balcony
A balcony extending beyond structural supports. - Cathedral Ceiling
A ceiling that follows the slope of the roof structure. - Coffered Ceiling
A decorative ceiling featuring recessed panels. - Covered Deck
An outdoor deck protected by a permanent roof structure. - Covered Patio
An outdoor living area sheltered from weather. - Courtyard
An outdoor space enclosed or partially enclosed by buildings. - Custom Home
A home designed and built specifically for an individual homeowner. - Daylight Basement
A basement with full-size windows and exterior access due to sloping site conditions. - Dining Room
A room specifically intended for dining activities. - Double Height Space
A room extending through two storeys without an intermediate floor. - Drop Zone
A designated area for shoes, bags, keys, and everyday items. - Ensuite Bathroom
A private bathroom directly connected to a bedroom. - Family Room
An informal living area designed for daily use. - Flex Room
A room designed to accommodate changing functions over time. - Floor Plan
A drawing showing the arrangement of rooms and spaces. - Foyer
The entrance area of a home. - Front Porch
A covered area located at the front entrance of a home. - Great Room
A large open-concept space combining multiple living functions. - Guest Suite
A private bedroom and bathroom area designed for visitors. - Home Office
A dedicated workspace located within a residence. - Jack and Jill Bathroom
A bathroom shared between two bedrooms. - Loft
An open upper-level space overlooking lower areas. - Main Floor Bedroom
A bedroom located on the primary living level. - Mud Room
A transition space for coats, footwear, and outdoor gear. - Multi-Generational Living
A home designed to accommodate multiple generations of a family. - Open Concept
A design approach minimizing walls between major living spaces. - Outdoor Living Area
An exterior space designed for relaxation and entertainment. - Primary Bedroom
The main bedroom within a residence. - Primary Ensuite
The private bathroom associated with the primary bedroom. - Reading Nook
A small space designed for reading and relaxation. - Secondary Suite
An independent residential unit located within a home. - Skylight
A roof-mounted window allowing natural light into a building. - Sunroom
A room designed to maximize natural light and outdoor views. - Terrace
A large outdoor living area often located above grade. - Tray Ceiling
A ceiling featuring a recessed central section. - Universal Design
Design principles intended to improve accessibility for all users. - Vaulted Ceiling
A ceiling extending upward to follow the roof structure. - Walk-In Closet
A large closet designed to allow entry and movement inside. - Walk-Out Basement
A basement with direct access to the exterior. - Window Seat
A built-in seating area integrated into a window opening. - Wraparound Porch
A porch extending around multiple sides of a building. - Atrium
An interior open space often extending through multiple storeys. - Indoor-Outdoor Living
A design approach emphasizing seamless transitions between interior and exterior spaces. - Feature Staircase
A staircase designed as a prominent architectural element. - Private Retreat
A secluded area within a home intended for relaxation. - Children’s Play Room
A room specifically designed for children’s activities. - Media Room
A room designed for television, movies, and entertainment. - Craft Room
A dedicated space for hobbies and creative activities. - Pet Wash Station
A specialized washing area for pets. - Homework Station
A built-in workspace intended for study and learning activities. - Future Elevator Shaft
A structural space reserved for future elevator installation. - Accessible Bathroom
A bathroom designed to accommodate mobility challenges.
Site Features, Driveways, Garages & Exterior Structures
- Accessory Building
A detached structure located on the same property as the principal residence. - Attached Garage
A garage physically connected to the main residence. - Automatic Gate
A motorized gate operated electronically. - Breezeway
A covered passage connecting buildings or spaces. - Carport
A roofed structure providing vehicle protection without fully enclosed walls. - Coach House
A detached secondary dwelling unit located on a residential property. - Concrete Driveway
A driveway constructed from concrete. - Covered Breezeway
A roofed connection between structures. - Detached Garage
A garage separated from the principal residence. - Double Garage
A garage designed to accommodate two vehicles. - Driveway
A vehicle access route connecting a property to a public road. - Driveway Apron
The transition area between a driveway and a roadway. - Driveway Culvert
A drainage pipe installed beneath a driveway crossing. - Electric Gate
A gate equipped with automated operation. - Equipment Shed
A structure used for storage of tools and equipment. - Fence
A structure defining property boundaries or providing privacy. - Fence Gate
An opening within a fence allowing access. - Front Entry Plaza
An enhanced entry area located at the front of a home. - Garage
An enclosed structure used for vehicle storage. - Garage Apron
The paved area immediately outside a garage door. - Garage Door
A large door providing vehicle access to a garage. - Garage Door Opener
A motorized system used to operate garage doors. - Garage Storage System
Shelving, cabinets, and storage solutions within a garage. - Garden Shed
A detached structure used for storage. - Gazebo
A freestanding outdoor shelter. - Gated Entry
A controlled entrance to a property. - Gravel Driveway
A driveway constructed using compacted gravel. - Guest Parking
Parking spaces intended for visitors. - Laneway Home
A detached residential dwelling located at the rear of a property. - Mailbox Structure
A permanent structure designed to house mailboxes. - Outdoor Storage Building
A detached structure used for storage purposes. - Parking Pad
A paved area intended for vehicle parking. - Paved Driveway
A driveway surfaced with asphalt, concrete, or paving stones. - Pergola
An outdoor structure consisting of columns and overhead beams. - Port Cochere
A covered vehicle drop-off area attached to a building. - Privacy Fence
A fence designed to provide visual screening. - Property Entrance
The primary access point to a property. - Recreational Vehicle Parking
A designated parking area for RVs and trailers. - Retaining Wall
A wall designed to support changes in grade. - RV Hookup
Utility connections designed for recreational vehicles. - RV Parking
Parking space designed to accommodate recreational vehicles. - Security Gate
A gate intended to improve security and controlled access. - Service Yard
An area designated for utilities, garbage storage, and maintenance functions. - Side Yard Access
A route allowing access to the rear portion of a property. - Storage Building
A detached building used for storage. - Swimming Pool
A permanent structure designed for recreational swimming. - Pool House
A detached structure supporting pool-related activities. - Tennis Court
A recreational sports court. - Triple Garage
A garage designed to accommodate three vehicles. - Vehicle Turnaround
A designated area allowing vehicles to reverse direction. - Workshop
A dedicated space for tools, repairs, and projects. - Workshop Garage
A garage incorporating workspace and storage functions. - Outdoor Pavilion
A covered outdoor structure designed for gatherings. - Courtyard Garden
A landscaped outdoor space enclosed by buildings or walls. - Outdoor Dining Area
A dedicated exterior space for dining and entertaining. - Firewood Storage
A covered area used to store firewood. - Bicycle Storage
A designated area for bicycle parking and security. - Dog Run
A fenced outdoor area intended for pets. - Outdoor Recreation Area
A space designed for outdoor activities and entertainment. - Service Gate
A secondary gate used for maintenance or utility access. - Landscape Screening
Plants or structures used to provide privacy and visual separation.
Stairs, Railings, Decks & Outdoor Living Structures
- Aluminum Railing
A durable railing system manufactured from aluminum. - Baluster
A vertical component supporting a handrail. - Cable Railing
A railing system using tensioned steel cables instead of traditional balusters. - Cedar Deck
A deck constructed using cedar lumber. - Cocktail Deck
A small elevated outdoor platform designed for entertaining. - Composite Deck
A deck built using composite decking materials. - Composite Deck Board
A decking board manufactured from recycled plastics and wood fibres. - Covered Deck
A deck protected by a permanent roof structure. - Deck
An elevated outdoor platform used for recreation and entertaining. - Deck Beam
A structural member supporting deck framing. - Deck Board
The finished walking surface installed on a deck. - Deck Footing
A foundation element supporting deck posts. - Deck Framing
The structural framework supporting a deck. - Deck Joist
A horizontal framing member supporting deck boards. - Deck Ledger
A structural connection attaching a deck to a building. - Deck Post
A vertical support member for a deck structure. - Deck Stair
A staircase connecting a deck to ground level. - Exterior Stair
A stairway located outside a building. - Fire Feature
A decorative outdoor structure incorporating fire. - Fire Pit
An outdoor feature designed for recreational fires. - Floating Deck
A deck structure not attached to a building. - Glass Railing
A railing system incorporating glass panels. - Guardrail
A safety barrier installed along elevated surfaces. - Handrail
A graspable rail installed for safety and support. - Hot Tub Pad
A reinforced surface supporting a hot tub. - Landing
A level platform located between stair flights. - Outdoor Bar
An exterior entertainment area for serving beverages. - Outdoor Dining Area
A dedicated outdoor space for meals and entertaining. - Outdoor Entertainment Area
An exterior area designed for recreation and gatherings. - Outdoor Fireplace
A permanent fireplace located outdoors. - Outdoor Kitchen
An exterior cooking and food preparation area. - Patio Cover
A roof structure protecting a patio from weather. - Pergola
An outdoor structure consisting of columns and overhead beams. - Privacy Screen
A structure providing visual separation and privacy. - Railing
A protective barrier installed along edges of elevated surfaces. - Riser
The vertical portion of a stair between treads. - Roof Deck
An outdoor deck constructed on a roof structure. - Rooftop Deck
An elevated outdoor living area located on a roof. - Screened Porch
A covered porch enclosed with insect screening. - Spiral Staircase
A staircase arranged around a central column. - Stair Nosing
The projecting front edge of a stair tread. - Stair Stringer
The structural member supporting stair treads and risers. - Stair Tread
The horizontal walking surface of a stair. - Sun Deck
An uncovered outdoor deck designed for sun exposure. - Terrace
A large outdoor platform or living area. - Timber Deck
A deck constructed from wood materials. - Trellis
A framework supporting climbing plants or providing shade. - Wraparound Deck
A deck extending around multiple sides of a building. - Built-In Seating
Permanent seating incorporated into a deck or patio design. - Outdoor Lounge Area
An outdoor space furnished for relaxation. - BBQ Station
A dedicated outdoor cooking area. - Outdoor Television Area
An exterior entertainment space designed for viewing media. - Patio Heater
A heating appliance designed for outdoor use. - Outdoor Ceiling Fan
A weather-resistant ceiling fan installed outdoors. - Deck Drainage System
A system designed to manage water beneath elevated decks. - Underdeck Storage
Storage space created beneath an elevated deck. - Outdoor Sound System
An audio system designed for exterior use. - Sunken Patio
A patio constructed below surrounding grade. - Viewing Deck
A deck specifically positioned to take advantage of views. - Multi-Level Deck
A deck consisting of multiple elevations connected by stairs.
Structural Engineering & Load Terminology
- Allowable Load
The maximum load a structural component is designed to safely support. - Bearing Capacity
The ability of soil to safely support structural loads. - Bearing Point
The location where a structural member transfers its load. - Bearing Wall
A wall designed to support structural loads from above. - Beam Deflection
The amount a beam bends under load. - Braced Frame
A structural system designed to resist lateral forces. - Buckling
Structural instability caused by compressive forces. - Cantilever Load
The load applied to a structural element extending beyond its support. - Column
A vertical structural member carrying loads downward. - Compression
A force pushing materials together. - Concentrated Load
A load applied at a specific location. - Dead Load
The permanent weight of a building and its fixed components. - Deflection
The movement or bending of a structural member under load. - Design Load
The load a structure is designed to withstand. - Distributed Load
A load spread across a structural member. - Dynamic Load
A load that changes over time or movement. - Engineered Design
A design prepared and approved by a professional engineer. - Factored Load
A load adjusted using safety factors for design purposes. - Foundation Bearing
The transfer of structural loads from foundations into the soil. - Foundation Settlement
The downward movement of foundations due to soil conditions. - Horizontal Load
A force acting parallel to the ground. - Lateral Load
A force acting sideways on a structure, such as wind or seismic forces. - Live Load
Temporary loads caused by people, furniture, snow, or movable objects. - Load Combination
A combination of multiple loads considered during structural design. - Load Distribution
The process by which loads are transferred through a structure. - Load Path
The route by which structural loads travel to the foundation. - Load Transfer
The movement of forces from one structural component to another. - Moment
The rotational force acting on a structural member. - Moment Connection
A structural connection designed to resist rotation. - Moment Frame
A structural system designed to resist lateral forces through rigid connections. - Overloading
A condition where loads exceed design capacity. - Point Load
A concentrated load applied at a single location. - Post
A vertical structural support member. - Reaction Force
The force developed at a support point resisting applied loads. - Roof Load
The total load acting on a roof structure. - Safety Factor
An additional margin incorporated into structural design. - Seismic Design
Structural design intended to resist earthquake forces. - Seismic Load
The forces imposed on a building during an earthquake. - Settlement
The movement of soil or foundations under load. - Shear
A force acting parallel to a material surface. - Shear Connection
A connection designed to resist shear forces. - Shear Force
An internal force causing one part of a material to slide relative to another. - Shear Wall
A wall designed to resist lateral loads caused by wind or earthquakes. - Snow Load
The weight of accumulated snow acting on a structure. - Span
The distance between structural supports. - Structural Analysis
The evaluation of forces and behaviour within a structure. - Structural Integrity
The ability of a structure to safely perform its intended function. - Structural Stability
The ability of a structure to resist movement and collapse. - Support Point
The location where a structural element is supported. - Tension
A force pulling materials apart. - Tributary Area
The area contributing load to a specific structural element. - Uniform Load
A load distributed evenly over a surface or structural member. - Uplift Force
An upward force commonly caused by wind. - Vertical Load
A force acting downward due to gravity. - Wind Load
The force exerted on a building by wind. - Working Load
The load expected during normal use of a structure. - Yield Strength
The stress level at which a material begins to deform permanently. - Structural Redundancy
The presence of multiple load paths within a structure. - Load-Bearing Capacity
The maximum load a structural component can safely support. - Engineering Schedule
A professional document confirming engineering responsibility and review.
Concrete, Masonry & Reinforcement Terminology
- Accelerator
A concrete additive used to speed up curing and strength development. - Aggregate
Crushed stone, gravel, or sand used in concrete production. - Anchor Rod
A steel rod embedded in concrete to secure structural components. - Bond Beam
A reinforced horizontal masonry element used for structural support. - Brick Veneer
A non-structural brick facing attached to a wall assembly. - Cast-In-Place Concrete
Concrete poured and cured at the construction site. - Cement
The binding ingredient used in concrete and mortar. - CMU (Concrete Masonry Unit)
A manufactured concrete block used in wall construction. - Cold Joint
A joint formed when fresh concrete is placed against previously hardened concrete. - Concrete Finish
The final surface texture or appearance of concrete. - Concrete Pump
Equipment used to transport and place concrete. - Concrete Strength
The compressive strength achieved by cured concrete. - Concrete Vibrator
Equipment used to remove air pockets and improve concrete consolidation. - Control Joint
A groove created to control where concrete cracking occurs. - Curing
The process of maintaining proper moisture and temperature for concrete strength development. - Decorative Concrete
Concrete finished for aesthetic purposes. - Dowels
Steel bars used to transfer loads between concrete elements. - Epoxy Anchor
An anchor installed using high-strength epoxy adhesive. - Expansion Joint
A joint allowing movement caused by temperature changes and expansion. - Exposed Aggregate
A decorative concrete finish exposing aggregate particles. - Fiber Reinforcement
Fibres added to concrete to improve performance and crack resistance. - Fly Ash
A supplementary cementitious material often used in concrete mixtures. - Form Release Agent
A product applied to formwork to prevent concrete adhesion. - Form Tie
A device used to hold concrete forms together during placement. - Formwork
Temporary structures used to shape concrete. - Grout
A fluid material used to fill voids and support structural elements. - Honeycombing
Voids within concrete caused by inadequate consolidation. - Lintel Block
A masonry block designed to accommodate reinforcement above openings. - Masonry
Construction using brick, stone, or concrete blocks. - Masonry Veneer
A non-structural masonry finish attached to a wall. - Mortar
A mixture used to bond masonry units together. - MPa (Megapascal)
A metric unit used to measure concrete strength. - Pier Foundation
A foundation system using isolated concrete supports. - Post-Tensioning
A method of reinforcing concrete using tensioned steel cables. - Precast Concrete
Concrete components manufactured off-site and installed later. - PSI (Pounds per Square Inch)
A measurement commonly used to specify concrete strength. - Rebar
Steel reinforcement embedded within concrete. - Reinforced Masonry
Masonry construction containing steel reinforcement. - Reinforcement
Steel components used to strengthen concrete. - Retaining Wall Block
Manufactured block designed for retaining wall construction. - Revealed Joint
A decorative joint detail within concrete or masonry. - Saw Cut Joint
A control joint cut into hardened concrete. - Slump Test
A field test measuring the consistency of fresh concrete. - Spalling
The flaking or breaking away of concrete surfaces. - Stone Masonry
Construction using natural stone units. - Structural Grout
High-strength grout used for structural applications. - Trowel Finish
A smooth concrete finish created using a trowel. - Veneer Stone
Thin stone applied as a decorative finish. - Welded Wire Mesh
Steel mesh used to reinforce concrete slabs. - Wet Cast Concrete
Concrete cast using traditional pouring methods. - Concrete Sealer
A protective coating applied to concrete surfaces. - Stamped Concrete
Concrete textured and patterned to resemble other materials. - Concrete Apron
A concrete area located adjacent to structures or driveways. - Concrete Curb
A concrete barrier used to define edges and drainage paths. - Concrete Pad
A flat concrete surface supporting equipment or structures. - Concrete Column
A vertical structural element constructed from reinforced concrete. - Concrete Beam
A reinforced concrete member designed to support loads. - Shrinkage Crack
A crack caused by the natural drying and shrinking of concrete. - Water-Cement Ratio
The proportion of water to cement within a concrete mix. - Structural Concrete
Concrete specifically designed to support structural loads.
Building Envelope, Moisture Control & Weather Protection
- Air Barrier
A material or system designed to reduce uncontrolled air leakage through a building assembly. - Air Leakage
Uncontrolled movement of air through the building envelope. - Air Sealing
The process of reducing unwanted air leakage. - Breathable Membrane
A material that allows moisture vapour to pass while resisting liquid water. - Building Envelope
The complete system separating conditioned indoor space from outdoor conditions. - Building Envelope Consultant
A specialist evaluating moisture management and envelope performance. - Capillary Action
The movement of water through small openings or porous materials. - Cavity Wall
A wall assembly containing an air space between layers. - Cladding
The exterior finish material protecting a building. - Cladding Attachment
The method used to secure cladding to a wall assembly. - Condensation
Water droplets forming when warm moist air contacts a cold surface. - Continuous Insulation
Insulation installed continuously across a building assembly. - Drainage Cavity
The space behind exterior cladding allowing water to drain. - Drainage Mat
A material used to create drainage space behind cladding. - Drainage Plane
The surface directing water downward and out of a wall assembly. - Drying Potential
The ability of a building assembly to release moisture. - Exterior Insulation
Insulation installed on the outside of a structure. - Exterior Sealant
A flexible material used to seal joints and penetrations. - Flashing
Materials installed to direct water away from vulnerable locations. - Head Flashing
Flashing installed above windows or doors. - Kick-Out Flashing
Flashing directing roof water away from wall surfaces. - Metal Flashing
Flashing manufactured from sheet metal. - Moisture Barrier
A material designed to reduce moisture movement. - Moisture Management
The control of water and moisture within building assemblies. - Moisture Migration
The movement of moisture through building materials. - Moisture Intrusion
The unwanted entry of water into a building assembly. - Rain Penetration
Water entering a building due to wind-driven rain. - Rainscreen
A wall assembly designed to manage moisture behind exterior cladding. - Rainscreen Cavity
The air space behind cladding used for drainage and drying. - Rainscreen System
The complete moisture-management assembly behind exterior finishes. - Sealant Joint
A joint sealed using flexible sealant materials. - Sill Flashing
Flashing installed beneath windows and doors. - Thermal Bridging
Heat transfer through structural components bypassing insulation. - Vapour Barrier
A material limiting moisture vapour movement through building assemblies. - Vapour Diffusion
The movement of moisture vapour through materials. - Ventilated Cavity
An air space allowing drying and airflow behind cladding. - Wall Assembly
The complete combination of framing, insulation, membranes, and finishes. - Water Management
The control and removal of water from building assemblies. - Water Penetration
The entry of water into a building. - Water Resistive Barrier (WRB)
A material designed to resist water intrusion. - Weather Barrier
A system protecting buildings from weather exposure. - Weatherproofing
Measures intended to prevent weather-related damage. - Weep Hole
An opening allowing water to drain from wall assemblies. - Window Flashing
Flashing installed around window openings. - Window Leakage
Unwanted air or water infiltration around windows. - Wind-Driven Rain
Rain carried by wind against building surfaces. - Building Wrap
A membrane installed behind exterior cladding. - House Wrap
A weather-resistant membrane installed behind siding and cladding. - Drainable House Wrap
A weather-resistant barrier designed to improve drainage. - Air Tightness
The ability of a building to resist uncontrolled air leakage. - Envelope Leakage
Uncontrolled air movement through the building envelope. - Exterior Membrane
A protective layer installed on the exterior side of assemblies. - Foundation Waterproofing
Systems designed to prevent water penetration into foundations. - Below-Grade Waterproofing
Waterproofing applied to below-grade structures. - Drainage Composite
A manufactured product combining drainage and protection functions. - Control Layer
A component designed to control heat, air, water, or vapour movement. - Weather Exposure
The effects of rain, wind, snow, and sunlight on building materials. - Building Durability
The ability of a building to maintain performance over time. - Envelope Commissioning
The process of verifying building envelope performance.
Insulation, Soundproofing & Thermal Performance
- Batt Insulation
Pre-cut insulation blankets designed to fit between wall studs, floor joists, and roof rafters. - Rockwool (Mineral Wool)
A dense insulation manufactured from volcanic rock that provides excellent thermal performance, fire resistance, and soundproofing. - Fiberglass Insulation
Insulation made from fine glass fibres commonly used in walls, attics, floors, and ceilings. - Spray Foam Insulation
A polyurethane foam insulation that expands after application to provide insulation and air sealing. - Open-Cell Spray Foam
A lightweight spray foam insulation with good sound absorption properties. - Closed-Cell Spray Foam
A dense spray foam insulation offering high thermal resistance and structural rigidity. - Blown-In Insulation
Loose-fill insulation installed using specialized blowing equipment. - Cellulose Insulation
An insulation product made primarily from recycled paper materials. - Mineral Wool Insulation
A fire-resistant insulation product offering thermal and acoustic benefits. - R-Value
A measurement of resistance to heat flow. Higher R-values indicate better insulating performance. - RSI Value
The metric equivalent of R-value used in Canada. - Acoustic Insulation
Insulation specifically designed to reduce sound transmission. - Soundproofing
Construction methods and materials used to reduce noise transfer between spaces. - Sound Transmission
The movement of sound through walls, floors, ceilings, and other building components. - STC Rating (Sound Transmission Class)
A rating used to measure a building assembly’s ability to reduce airborne sound. - IIC Rating (Impact Insulation Class)
A rating used to measure resistance to impact noise such as footsteps. - Thermal Performance
The overall ability of a building assembly to resist heat loss and heat gain. - Thermal Bridge
An area where heat passes more easily through a building assembly. - Thermal Break
A material installed to reduce heat transfer between building components. - Continuous Insulation
Insulation installed continuously across structural members to reduce thermal bridging. - Fire-Resistant Insulation
Insulation products designed to resist combustion and slow fire spread. - Attic Insulation
Insulation installed above ceilings to reduce heat loss through the roof. - Wall Insulation
Insulation installed within or outside wall assemblies to improve energy efficiency. - Basement Insulation
Insulation used in foundation walls and basement floors to reduce heat loss. - Crawl Space Insulation
Insulation installed within crawl spaces to improve energy performance. - Rigid Insulation Board
A solid insulation panel commonly used on exterior walls and foundations. - Foam Board Insulation
Rigid insulation manufactured from foam materials such as EPS, XPS, or polyisocyanurate. - Polyisocyanurate Insulation (Polyiso)
A high-performance rigid insulation board with excellent thermal resistance. - Expanded Polystyrene (EPS)
A lightweight rigid foam insulation commonly used below grade and under slabs. - Extruded Polystyrene (XPS)
A rigid foam insulation known for moisture resistance and durability. - Under-Slab Insulation
Insulation installed beneath concrete slabs to reduce heat loss to the ground. - Air Barrier
A system designed to reduce uncontrolled air leakage through the building envelope. - Air Sealing
The process of reducing air leakage through building assemblies. - Airtightness
The ability of a building to resist uncontrolled air movement. - ACH50 (Air Changes per Hour at 50 Pascals)
A measurement used to evaluate building airtightness through blower door testing. - Blower Door Test
A pressure test used to measure air leakage and airtightness. - Vapour Barrier
A material designed to control moisture vapour movement through building assemblies. - Breathable Membrane
A membrane allowing moisture vapour to pass while resisting liquid water. - Heat Loss
The transfer of heat from a building to the exterior environment. - Heat Gain
The increase in indoor temperature caused by solar radiation, occupants, or equipment. - Energy Efficiency
The ability of a building to reduce energy consumption while maintaining comfort. - High-Performance Building Envelope
A building enclosure designed to maximize thermal efficiency and durability. - HRV (Heat Recovery Ventilator)
A ventilation system that exchanges stale indoor air with fresh outdoor air while recovering heat. - ERV (Energy Recovery Ventilator)
A ventilation system that transfers both heat and moisture between air streams. - Indoor Air Quality (IAQ)
The quality and cleanliness of indoor air affecting occupant comfort and health. - BC Energy Step Code
A provincial performance standard encouraging higher levels of energy efficiency and airtightness. - Passive House
An advanced building standard focused on ultra-low energy consumption and superior comfort. - Net Zero Home
A home designed to produce as much energy annually as it consumes. - Thermal Comfort
The condition where occupants feel comfortable with indoor temperatures and humidity levels.
Building Envelope, Weather Barrier & Moisture Control
- Air Barrier
A continuous system designed to reduce uncontrolled air leakage through the building envelope. - Air Leakage
Uncontrolled movement of air through walls, roofs, windows, and other building components. - Air Sealing
The process of reducing unwanted air leakage through building assemblies. - Back Ventilation
Air circulation provided behind cladding to improve drying and moisture control. - Breathable Membrane
A material that allows moisture vapour to pass while resisting liquid water penetration. - Building Envelope
The complete system separating indoor conditioned space from outdoor conditions. - Building Envelope Consultant
A specialist who evaluates moisture management, durability, and envelope performance. - Capillary Action
The movement of water through small openings or porous materials. - Cavity Wall
A wall assembly containing an air space between layers. - Cladding
The exterior finish material protecting a building from weather exposure. - Cladding Attachment System
The method used to secure exterior finishes to the building structure. - Condensation
Water droplets forming when warm moist air contacts a cold surface. - Continuous Insulation
Insulation installed without interruption across structural elements. - Control Layer
A building component responsible for controlling heat, air, water, or vapour movement. - Drainage Cavity
The space behind cladding that allows water drainage and drying. - Drainage Mat
A manufactured material creating a drainage space behind exterior finishes. - Drainage Plane
A surface designed to direct water downward and out of a wall assembly. - Drying Potential
The ability of a building assembly to release trapped moisture. - Envelope Leakage
Uncontrolled air movement through the building envelope. - Exterior Insulation
Insulation installed on the exterior side of a structure. - Exterior Membrane
A protective layer installed on the exterior of a building assembly. - Exterior Sealant
A flexible material used to seal joints and penetrations. - Flashing
Materials installed to direct water away from vulnerable building locations. - Foundation Waterproofing
Systems designed to prevent water penetration through foundation walls. - Head Flashing
Flashing installed above windows and doors. - House Wrap
A weather-resistant membrane installed behind siding and exterior cladding. - Kick-Out Flashing
Flashing directing roof water away from wall surfaces. - Liquid-Applied Membrane
A waterproof coating applied in liquid form. - Moisture Barrier
A material designed to reduce moisture movement. - Moisture Intrusion
The unwanted entry of water into a building assembly. - Moisture Management
The control and removal of water from building assemblies. - Moisture Migration
The movement of moisture through building materials. - Parapet Flashing
Flashing installed at parapet walls to prevent water intrusion. - Rain Penetration
Water entering a building due to wind-driven rain. - Rain Screen
A wall assembly designed to manage moisture behind exterior cladding. - Rain Screen Cavity
The air space behind cladding used for drainage and drying. - Rain Screen System
The complete moisture management assembly located behind exterior finishes. - Roof Underlayment
A protective layer installed beneath roofing materials. - Sealant Joint
A joint sealed using flexible sealant materials. - Self-Adhered Membrane
A waterproof membrane applied directly to building surfaces. - Sill Flashing
Flashing installed beneath windows and doors. - Step Flashing
Flashing installed where roofs intersect walls. - Thermal Bridging
Heat transfer through structural components bypassing insulation. - Tyvek
A commonly used brand of weather-resistant building wrap. - Ventilated Cavity
An air space allowing airflow and drying behind exterior finishes. - Vapour Barrier
A material designed to control moisture vapour movement through assemblies. - Vapour Diffusion
The movement of moisture vapour through building materials. - Wall Assembly
The complete combination of framing, insulation, membranes, and finishes. - Water Management
Methods used to control and remove water from a building. - Water Penetration
The entry of water into a building assembly. - Water Resistive Barrier (WRB)
A material designed to resist water intrusion while allowing drying. - Weather Barrier
A system protecting buildings from rain, wind, snow, and weather exposure. - Weatherproofing
Measures intended to prevent weather-related damage. - Weep Hole
An opening allowing water to drain from wall assemblies. - Window Flashing
Flashing installed around window openings. - Window Leakage
Unwanted air or water infiltration around windows. - Wind-Driven Rain
Rain carried by wind against building surfaces. - Below-Grade Waterproofing
Waterproofing systems applied to underground building components. - Drainage Composite
A manufactured product combining drainage and protection functions. - Foundation Drainage System
A system designed to remove water from around foundations. - Perimeter Drain
A drainage pipe installed around foundation footings. - Positive Drainage
Site grading that directs water away from buildings. - Roof Drainage System
Components designed to collect and discharge roof water. - Scupper
An opening allowing water to drain from roofs or parapets. - Waterproof Membrane
A material designed to prevent water penetration. - Building Durability
The ability of a building to maintain performance over time. - Envelope Commissioning
The process of verifying building envelope performance before occupancy.
Roofing Systems & Roof Components
- Architectural Shingles
A premium asphalt roofing product designed to provide enhanced durability and appearance. - Asphalt Shingles
The most common residential roofing material consisting of fiberglass and asphalt layers. - Attic Ventilation
The movement of air through attic spaces to control temperature and moisture. - Bird Stop
A component installed to prevent birds and pests from entering roof ventilation openings. - Cricket
A small peaked structure designed to divert water around chimneys and roof projections. - Deck Protection Membrane
A waterproof membrane installed beneath roofing materials. - Dormer
A roof projection containing a window and additional interior space. - Drip Edge
A metal flashing installed along roof edges to direct water away from the building. - Eave
The lower edge of a roof extending beyond exterior walls. - Fascia
The vertical finishing board installed along roof edges. - Flat Roof
A roof with minimal slope designed to direct water toward drainage systems. - Gable Roof
A roof design featuring two sloping sides meeting at a ridge. - Gable End
The triangular wall section located beneath a gable roof. - Gutter
A channel installed along roof edges to collect and direct rainwater. - Hip Roof
A roof design with slopes on all sides. - Ice & Water Shield
A self-adhered waterproof membrane protecting vulnerable roof areas. - Ice Damming
The buildup of ice along roof edges that prevents proper drainage. - Metal Flashing
Sheet metal used to direct water away from roof penetrations and transitions. - Metal Roofing
A roofing system manufactured from steel, aluminum, or other metals. - Parapet Roof
A roof bordered by walls extending above the roof surface. - Rafter
A structural member supporting roof sheathing and roofing materials. - Ridge
The highest horizontal line where roof slopes meet. - Ridge Cap
Roofing materials installed along the roof ridge. - Ridge Vent
A ventilation opening installed along the roof ridge. - Roof Assembly
The complete combination of roof structure, insulation, membranes, and finishes. - Roof Deck
The structural surface supporting roofing materials. - Roof Drain
A drainage component used on flat or low-slope roofs. - Roof Flashing
Materials installed to prevent water penetration at roof transitions. - Roof Penetration
Any opening through a roof assembly for vents, pipes, or equipment. - Roof Pitch
The slope of a roof expressed as a ratio. - Roof Sheathing
Wood panels installed over rafters or trusses to support roofing materials. - Roof Truss
A prefabricated structural component supporting roof loads. - Roof Valley
The intersection where two roof slopes meet and channel water. - Roof Vent
An opening allowing air movement through the roof assembly. - Roofing Underlayment
A protective layer installed beneath roofing materials. - Scupper
An opening allowing drainage from a flat roof. - Shake Roof
A roofing system constructed from split wood shakes. - Skylight
A window installed within a roof assembly. - Snow Guard
A device preventing sudden snow and ice movement from roofs. - Soffit
The finished underside of roof overhangs. - Soffit Vent
A ventilation opening installed within soffits. - Standing Seam Metal Roof
A metal roofing system featuring raised interlocking seams. - Starter Strip
The first row of roofing material installed at roof edges. - Step Flashing
Flashing installed where roofs intersect walls. - Torch-On Roofing
A modified bitumen roofing system commonly used on low-slope roofs. - Valley Flashing
Flashing installed within roof valleys to improve water protection. - Vent Stack
A plumbing vent extending through a roof. - Water Shedding
The ability of a roof system to direct water away from a building. - Wind Uplift Resistance
The ability of a roofing system to resist wind forces. - Wood Shake Roof
A roofing system constructed from hand-split wood shakes. - Roof Overhang
The portion of a roof extending beyond exterior walls. - Roof Inspection
The examination of roofing components for damage or wear. - Roof Replacement
The removal and installation of a new roofing system. - Downspout
A vertical pipe carrying water from gutters to ground level. - Leaf Guard
A device designed to prevent debris from entering gutters. - Rainwater Leader
A pipe directing roof water away from the structure. - Low-Slope Roof
A roof having a relatively shallow pitch requiring specialized roofing materials. - Roof Drainage System
The collection of gutters, downspouts, drains, and related components used to manage roof water. - Roof Warranty
A manufacturer’s or contractor’s guarantee covering roofing materials or installation. - Mechanical Roof Penetration
An opening through the roof created for HVAC or mechanical equipment. - Solar Ready Roof
A roof designed to accommodate future solar panel installation.
Windows, Doors & Glazing Systems
- Argon Gas
An inert gas placed between glass panes to improve thermal performance. - Awning Window
A window hinged at the top and opening outward from the bottom. - Bi-Fold Door
A door system consisting of multiple folding panels. - Casement Window
A window hinged at the side and opening outward. - Cladding (Window Cladding)
A protective exterior covering applied to window frames. - Corner Window
A window assembly installed at the intersection of two walls. - Daylight Opening
The visible glass area allowing natural light into a building. - Direct Set Window
A fixed window without operating components. - Double Glazed Window
A window containing two panes of glass separated by a sealed air space. - Door Frame
The structural assembly supporting a door. - Door Hardware
The handles, locks, hinges, and accessories installed on doors. - Door Jamb
The vertical side components of a door frame. - Door Lite
A glass panel incorporated into a door. - Door Sill
The bottom component of a door opening. - Double Door Entry
An entrance consisting of two operable doors. - Egress Window
A window meeting minimum code requirements for emergency escape and rescue. - Entry Door
The primary exterior door providing access to a building. - Fixed Window
A non-operable window designed to provide views and natural light. - French Door
A door assembly featuring large glass panels and paired operation. - Frosted Glass
Glass treated to provide privacy while allowing light transmission. - Glazing
The glass installed within windows and doors. - Glazing Unit
A sealed assembly containing multiple panes of glass. - Glass Spacer
A component separating panes within an insulated glass unit. - Grille Pattern
Decorative muntins or bars creating divided glass appearances. - Horizontal Slider Window
A window that opens by sliding horizontally. - Impact Resistant Glass
Glass designed to resist breakage from impacts. - Insulated Glass Unit (IGU)
A sealed unit containing two or more panes of glass. - Jamb Extension
An extension used to match wall thickness. - Laminated Glass
Safety glass consisting of multiple layers bonded together. - Low-E Glass
Glass coated to reduce heat transfer and improve energy efficiency. - Multi-Slide Door
A large door system with multiple sliding panels. - Mullion
A structural member separating adjacent windows or doors. - Muntin Bar
A decorative or structural divider between glass sections. - Operable Window
A window capable of being opened for ventilation. - Patio Door
A glazed door providing access to exterior living areas. - Picture Window
A large fixed window designed to maximize views. - Privacy Glass
Glass designed to obscure visibility while transmitting light. - Projected Window
A window that projects outward when opened. - Rough Opening
The framed opening prepared to receive a window or door. - SHGC (Solar Heat Gain Coefficient)
A measurement of how much solar heat passes through glazing. - Sidelight
A narrow window installed beside a door. - Single Hung Window
A window with one operable sash and one fixed sash. - Sliding Door
A door operating by sliding horizontally. - Sliding Window
A window operating by horizontal movement. - Tempered Glass
Safety glass designed to break into small pieces when shattered. - Thermal Break Frame
A window or door frame designed to reduce heat transfer. - Tilt and Turn Window
A window capable of both tilting inward and swinging open. - Transom Window
A window located above a door or another window. - Triple Glazed Window
A window containing three panes of glass for enhanced energy efficiency. - U-Value
A measurement of heat transfer through a window or door assembly. - Venting Window
A window designed to provide natural ventilation. - Vinyl Window
A window manufactured primarily from PVC material. - Weather Stripping
Materials installed to reduce air and water infiltration. - Window Frame
The structural perimeter supporting a window assembly. - Window Head
The upper horizontal component of a window frame. - Window Sash
The operable portion of a window holding the glass. - Window Stool
The interior horizontal trim piece at the bottom of a window. - Window Well
A protective enclosure around below-grade windows. - Window Screen
A mesh barrier preventing insects from entering through open windows. - Wood Window
A window manufactured primarily from wood components. - Aluminum-Clad Window
A wood window protected by an aluminum exterior covering. - Curtain Wall
A non-structural exterior glazing system. - Storefront Glazing
A commercial-style glazed entrance system occasionally used in luxury homes. - Pocket Sliding Door
A sliding door designed to disappear into a wall cavity. - Lift and Slide Door
A premium sliding door system providing smooth operation and large openings. - Accordion Door
A folding glass wall system creating large indoor-outdoor openings. - Nano Door
A folding or multi-panel door system commonly used in luxury homes. - Window Flashing
Materials installed around windows to direct water away from the building envelope. - Window Warranty
Coverage provided by manufacturers for windows and glazing systems.
Flooring, Tile & Interior Finish Terminology
- Accent Wall
A feature wall designed to create visual interest through colour, texture, or materials. - Baseboard
Interior trim installed at the bottom of walls where they meet the floor. - Carpet
A soft floor covering made from woven or tufted fibres. - Carpet Underlay
A cushioning material installed beneath carpet. - Ceramic Tile
A durable flooring and wall finish manufactured from fired clay. - Chair Rail
Decorative trim installed horizontally along walls. - Coffered Ceiling
A decorative ceiling featuring recessed panels. - Cork Flooring
A resilient flooring material manufactured from cork bark. - Cove Base
A curved trim piece installed at the junction of floors and walls. - Crown Moulding
Decorative trim installed where walls meet ceilings. - Decorative Tile
Tile used primarily for visual enhancement and design features. - Drywall
Gypsum board used to create interior walls and ceilings. - Drywall Finish
The completed surface treatment of drywall joints and fasteners. - Engineered Hardwood Flooring
Wood flooring consisting of a real wood veneer attached to a stable core. - Feature Ceiling
A ceiling incorporating decorative architectural details. - Feature Wall
A wall enhanced with unique finishes or materials. - Floor Transition Strip
A trim piece connecting different flooring materials. - Floor Underlayment
A material installed beneath flooring to improve performance and comfort. - Flooring
The finished walking surface installed within a building. - Glue-Down Flooring
Flooring permanently adhered to the subfloor. - Grout
A material used to fill joints between tiles. - Hardwood Flooring
Flooring manufactured from solid wood. - Herringbone Pattern
A decorative flooring or tile layout arranged in a zigzag pattern. - Interior Finish
The visible completed surfaces within a building. - Laminate Flooring
A flooring product consisting of multiple layers with a decorative wear surface. - Luxury Vinyl Plank (LVP)
A durable flooring product designed to resemble hardwood flooring. - Luxury Vinyl Tile (LVT)
A vinyl flooring product designed to resemble stone or tile. - Marble Tile
A natural stone tile manufactured from marble. - Medium Density Fibreboard (MDF)
An engineered wood product commonly used for trim and millwork. - Millwork
Custom woodwork including trim, cabinetry, mouldings, and decorative elements. - Mosaic Tile
Small tiles arranged in decorative patterns. - Natural Stone Tile
Tile manufactured from natural stone materials. - Paint Finish
The final appearance and sheen level of painted surfaces. - Porcelain Tile
A dense, durable ceramic tile suitable for floors and walls. - Quarter Round
A small trim moulding installed at floor and wall intersections. - Recessed Ceiling Detail
A ceiling design incorporating stepped or recessed sections. - Shiplap
Wood boards installed with overlapping joints to create a decorative wall finish. - Site-Finished Hardwood
Hardwood flooring finished after installation. - Slate Tile
A natural stone tile manufactured from slate. - Solid Hardwood Flooring
Flooring manufactured entirely from solid wood. - Stair Nosing
The projecting front edge of a stair tread. - Subfloor
The structural surface supporting finished flooring. - Tile Backer Board
A moisture-resistant panel used beneath tile installations. - Tile Layout
The arrangement pattern of installed tile. - Tile Setting Bed
The material used to support tile installations. - Tongue and Groove Flooring
Flooring boards designed to interlock during installation. - Trim Package
The collection of interior mouldings and finish carpentry elements. - Vinyl Flooring
A resilient flooring material manufactured from synthetic compounds. - Wall Paneling
Decorative panels installed on interior walls. - Wainscoting
Decorative wall treatment installed on the lower portion of walls. - Wall Texture
A decorative finish applied to drywall surfaces. - Wood Feature Wall
A decorative wall finished with wood materials. - Bullnose Tile
A tile with a rounded finished edge. - Border Tile
Decorative tile installed to create visual accents. - Schluter System
A waterproofing and tile installation system commonly used in bathrooms and showers. - Heated Tile Floor
A tile floor incorporating electric or hydronic heating beneath the surface. - Large Format Tile
Tile significantly larger than traditional tile sizes. - Rectified Tile
Tile manufactured with precisely finished edges for minimal grout joints. - Floating Floor
A flooring system not directly attached to the subfloor. - Luxury Finish Package
A collection of upgraded flooring, trim, tile, and decorative materials. - Interior Wood Cladding
Decorative wood finishes applied to interior walls or ceilings. - Feature Stair Finish
Decorative materials and detailing applied to staircases. - Custom Millwork
Specialized woodwork designed specifically for a project. - Built-In Cabinetry
Permanent storage and display units integrated into a building. - Decorative Beam
An exposed beam used primarily for architectural appearance. - Tray Ceiling
A ceiling featuring a recessed central section. - Interior Design Package
The coordinated selection of finishes, colours, fixtures, and materials throughout a home.
Plumbing Systems & Fixtures
- ABS Pipe
A black plastic pipe commonly used for drain, waste, and vent systems. - Backflow Preventer
A device designed to prevent contaminated water from flowing backward into the potable water supply. - Bathroom Group
A collection of plumbing fixtures including a toilet, sink, and bathtub or shower. - Booster Pump
A pump used to increase water pressure within a plumbing system. - Branch Drain
A drain pipe connecting plumbing fixtures to the main drainage system. - Cleanout
An access fitting allowing maintenance and cleaning of drainage piping. - Copper Pipe
A durable metal pipe commonly used for water distribution systems. - Cross Connection
An actual or potential connection between potable and non-potable water systems. - Drain Tile
A perforated pipe system installed around foundations to collect groundwater. - Drainage System
The network of pipes carrying wastewater away from a building. - Drain, Waste and Vent (DWV)
The piping system responsible for drainage and venting. - Expansion Tank
A tank installed to accommodate water expansion caused by heating. - Fixture Unit
A value assigned to plumbing fixtures used for sizing plumbing systems. - Floor Drain
A drain installed in floors to collect and remove water. - Fresh Water Supply
The potable water system supplying fixtures and appliances. - Grey Water
Wastewater from sinks, showers, and laundry systems. - Hose Bib
An exterior faucet used for outdoor water access. - Hot Water Recirculation System
A system that continuously circulates hot water to reduce wait times at fixtures. - Hot Water Tank
A storage tank used to heat and store domestic hot water. - Main Water Line
The primary pipe supplying water to a building. - PEX Pipe
A flexible plastic pipe commonly used for residential water distribution. - Plumbing Fixture
A device connected to the plumbing system that uses water. - Plumbing Rough-In
The installation of plumbing pipes before walls and ceilings are finished. - Potable Water
Water that is safe for human consumption. - Pressure Reducing Valve (PRV)
A valve used to regulate incoming water pressure. - Pressure Tank
A tank used to maintain consistent water pressure in a system. - PVC Pipe
A white plastic pipe commonly used in drainage and irrigation systems. - Rainwater Collection System
A system designed to capture and store rainwater for future use. - Sanitary Sewer
The municipal system used to transport wastewater. - Sewer Line
The pipe carrying wastewater from a building to the municipal sewer or septic system. - Sewer Cleanout
An access point used for sewer maintenance and cleaning. - Shut-Off Valve
A valve used to stop water flow to fixtures or systems. - Sump Pump
A pump used to remove water from sump pits and basements. - Tankless Water Heater
A water heater that heats water on demand without storage. - Tempering Valve
A valve used to regulate hot water temperatures. - Trap
A plumbing fitting designed to prevent sewer gases from entering a building. - Trap Primer
A device maintaining water levels in floor drain traps. - Vent Pipe
A pipe providing air circulation within a plumbing system. - Water Hammer
A pressure surge occurring when water flow is suddenly stopped. - Water Main
The municipal pipe supplying water to properties. - Water Meter
A device measuring water consumption. - Water Pressure
The force at which water is delivered through a plumbing system. - Water Service Line
The pipe connecting a building to the municipal water supply. - Water Softener
Equipment used to reduce mineral content in water. - Water Treatment System
Equipment used to improve water quality. - Wet Vent
A plumbing vent that also serves as a drain pipe. - Backwater Valve
A valve preventing sewage from backing into a building. - Drain Stack
A vertical pipe carrying wastewater downward through a building. - Soil Stack
A vertical drain pipe carrying wastewater from toilets and fixtures. - Storm Sewer
A drainage system designed to carry rainwater and surface runoff. - Storm Drain
A drain connected to a stormwater system. - Catch Basin
A drainage structure collecting surface water and debris. - French Drain
A gravel-filled trench containing a perforated pipe used for drainage. - Perimeter Drain
A drainage system installed around foundations. - Mechanical Room
A room housing plumbing and mechanical equipment. - Recirculation Pump
A pump used to circulate hot water throughout a building. - Water Filtration System
Equipment used to improve drinking water quality. - Reverse Osmosis System
A water purification system using membrane filtration. - Instant Hot Water Dispenser
A fixture providing near-boiling water on demand. - Septic System
An on-site wastewater treatment system used where municipal sewer service is unavailable. - Septic Tank
A tank used to collect and partially treat wastewater. - Leach Field
A subsurface wastewater dispersal area connected to a septic system. - Plumbing Inspection
An inspection verifying plumbing installations comply with applicable codes and standards. - Fixture Rough-In Height
The designated elevation for plumbing fixture connections during rough-in installation. - Domestic Water System
The complete system supplying potable water throughout a building.