Architecture & Building Envelope
Access Hatch
An Access Hatch is a hinged or removable panel set into a floor, ceiling, roof or wall that…
Architecture & Building Envelope
Access-Controlled Opening
An Access-Controlled Opening is a door or portal whose use is governed by an electronic access-control system, combining…
Architecture & Building Envelope
Acoustic Door
An Acoustic Door is a door assembly designed to attenuate sound transmission, achieving a rated sound reduction index…
Architecture & Building Envelope
Acoustic Louver
An Acoustic Louver is a louver with sound-absorbing blades that permits airflow while reducing the noise passing through…
Architecture & Building Envelope
Acoustic Partition
An Acoustic Partition is an internal wall designed to attenuate sound transmission between spaces, achieving a specified sound…
Architecture & Building Envelope
Adjacency Matrix
An Adjacency Matrix is a planning tool, in grid form, that records how strongly each space should be…
Architecture & Building Envelope
Air Barrier
An Air Barrier is a continuous system of materials and seals that stops uncontrolled air leakage through the…
Architecture & Building Envelope
Airlock
An Airlock is a small chamber bounded by two interlocked doors that are not opened at the same…
Architecture & Building Envelope
Architectural Louver
An Architectural Louver is a framed set of angled blades fitted to a facade to allow air movement…
Architecture & Building Envelope
Blast Rated Door
A Blast Rated Door is a door assembly engineered to withstand a defined explosive overpressure and impulse without…
Architecture & Building Envelope
Blast Resistant Louver
A Blast Resistant Louver is a heavily built louver designed to withstand and attenuate the pressure of an…
Architecture & Building Envelope
Building Envelope
A Building Envelope is the physical separation between the interior and exterior of a building, comprising the walls,…
Architecture & Building Envelope
Cable Penetration
A Cable Penetration is an opening through a wall, floor or roof through which cables pass, requiring firestopping…
Architecture & Building Envelope
Card Reader Rough-In
A Card Reader Rough-In is the first-fix provision for an access-control reader, comprising the back box, conduit and…
Architecture & Building Envelope
Cleanable Finish
A Cleanable Finish is a smooth, sealed, non-porous surface that resists dust and can be easily wiped down,…
Architecture & Building Envelope
Counterflashing
Counterflashing is a second layer of flashing that overlaps base flashing at a wall, parapet or curb, with…
Architecture & Building Envelope
Crash Bar
A Crash Bar is a spring-loaded horizontal bar across the inside of an exit door that unlatches the…
Architecture & Building Envelope
Dock Leveller
A Dock Leveller is an adjustable platform that bridges the height gap between a loading-dock floor and a…
Architecture & Building Envelope
Door Interlock
A Door Interlock is a control arrangement that prevents two or more doors from being open simultaneously, releasing…
Architecture & Building Envelope
Door Position Switch
A Door Position Switch is a sensor, usually a magnetic reed contact, that reports whether a door is…
Architecture & Building Envelope
Door Schedule
A Door Schedule is a tabulated list of every door in a project, giving its reference, size, type,…
Architecture & Building Envelope
EIFS (Exterior Insulation and Finish System)
EIFS (Exterior Insulation and Finish System) is a multi-layer exterior wall cladding of insulation board bonded to the…
Architecture & Building Envelope
Electric Strike
An Electric Strike is an electrically controlled locking device that replaces a fixed strike plate, releasing the door…
Architecture & Building Envelope
Equipment Curb
An Equipment Curb is a prefabricated, insulated support frame that raises mechanical or electrical equipment above a roof…
Architecture & Building Envelope
Exit Capacity
Exit Capacity is the number of occupants an exit or egress component can safely accommodate, determined from its…
Architecture & Building Envelope
Facade Panel
A Facade Panel is a prefabricated cladding unit fixed to a building's exterior to provide weather protection, insulation…
Architecture & Building Envelope
Fire Compartmentation
Fire Compartmentation is the division of a building into fire-resisting compartments, using rated walls, floors and closures, to…
Architecture & Building Envelope
Fire Rated Ceiling
A Fire Rated Ceiling is a ceiling system tested to contribute fire resistance, either as part of a…
Architecture & Building Envelope
Fire Rated Door
A Fire Rated Door is a certified door assembly that resists the passage of fire and smoke for…
Architecture & Building Envelope
Fire Rated Partition
A Fire Rated Partition is a non-loadbearing or loadbearing internal wall constructed and tested to resist fire for…
Architecture & Building Envelope
Fire Separation
A Fire Separation is a fire-resisting construction, such as a wall or floor with a rated performance, that…
Architecture & Building Envelope
Firestop Sleeve
A Firestop Sleeve is a sleeve incorporating a fire-resisting seal, often with an intumescent element, that allows a…
Architecture & Building Envelope
Flashing
Flashing is thin, impervious sheet material, usually galvanized steel, aluminium or membrane, installed to seal and shed water…
Architecture & Building Envelope
Floor Area Ratio (FAR)
Floor Area Ratio (FAR) is a zoning metric equal to a building's total floor area divided by the…
Architecture & Building Envelope
Hardware Schedule
A Hardware Schedule, or ironmongery schedule, lists the door hardware, such as hinges, locks, closers, access-control components and…
Architecture & Building Envelope
Insulated Metal Panel
An Insulated Metal Panel is a composite cladding unit with two metal facings bonded to an insulating foam…
Architecture & Building Envelope
Life Safety Plan
A Life Safety Plan is a drawing that summarises the fire and life-safety provisions of a building, showing…
Architecture & Building Envelope
Loading Dock Door
A Loading Dock Door is a large industrial door at a loading bay through which equipment and materials…
Architecture & Building Envelope
Magnetic Lock
A Magnetic Lock is a locking device using an electromagnet mounted on the frame and an armature plate…
Architecture & Building Envelope
Modern Methods of Construction (MMC)
Modern Methods of Construction (MMC) is an umbrella term for techniques that shift work off site into controlled…
Architecture & Building Envelope
Occupancy Classification
An Occupancy Classification is the category a building or space is assigned under a building code based on…
Architecture & Building Envelope
Panic Hardware
Panic Hardware is a category of door-exit devices that release the latch when a horizontal bar or touchpad…
Architecture & Building Envelope
Pipe Penetration
A Pipe Penetration is the point where a pipe passes through a wall, floor or roof, requiring a…
Architecture & Building Envelope
Rainscreen Cladding
Rainscreen Cladding is an outer facade layer set off from a weather-tight inner wall by a ventilated cavity,…
Architecture & Building Envelope
Roller Shutter
A Roller Shutter is a door of hinged or interlocking horizontal slats that coils around a barrel above…
Architecture & Building Envelope
Roof Curb
A Roof Curb is a raised, weatherproofed frame mounted on a roof to support and seal the base…
Architecture & Building Envelope
Roof Penetration
A Roof Penetration is any opening through the roof for services such as pipes, ducts, cables, vents or…
Architecture & Building Envelope
Roof Walkway
A Roof Walkway is a designated, protected walking path across a roof, typically formed of rubber pavers, GRP…
Architecture & Building Envelope
Room Data Sheet
A Room Data Sheet is a document that captures all the requirements for an individual room, including dimensions,…
Architecture & Building Envelope
Room Finish Schedule
A Room Finish Schedule is a tabulated document listing the specified finishes for the floor, walls, ceiling and…
Architecture & Building Envelope
Security Door
A Security Door is a hardened door assembly built to resist forced entry, combining a reinforced leaf, strengthened…
Architecture & Building Envelope
Security Vestibule
A Security Vestibule is an access-controlled enclosure with two interlocking doors that permits only one person to pass…
Architecture & Building Envelope
Single-Ply Roofing Membrane
A Single-Ply Roofing Membrane is a factory-made flexible sheet, such as TPO, PVC or EPDM, laid in a…
Architecture & Building Envelope
Sleeve
A Sleeve is a short tube cast or built into a wall, floor or roof to form a…
Architecture & Building Envelope
Smoke Compartment
A Smoke Compartment is an area enclosed by smoke-resisting barriers designed to limit the movement of smoke from…
Architecture & Building Envelope
Smoke Vent
A Smoke Vent is an openable roof or wall vent that releases smoke and hot gases from a…
Architecture & Building Envelope
Space Program
A Space Program is a structured schedule of the rooms and areas a building must contain, listing their…
Architecture & Building Envelope
Steel Door Set
A Steel Door Set is a complete, factory-matched door assembly comprising a steel leaf, steel frame, hinges, seals…
Architecture & Building Envelope
Thermal Bridging
Thermal Bridging is localised heat flow through elements of higher conductivity, such as steel members, slab edges and…
Architecture & Building Envelope
Travel Distance
Travel Distance is the length of the path a person must walk from any point in a building…
Architecture & Building Envelope
Weather Louver
A Weather Louver is a louver designed to admit air while resisting the penetration of rain and snow,…