Envelope, Roofing & Weatherproofing
Acoustic Louver
An Acoustic Louver is a louver with sound-absorbing blades that permits airflow while reducing the noise passing through…
Envelope, Roofing & Weatherproofing
Air Barrier
An Air Barrier is a continuous system of materials and seals that stops uncontrolled air leakage through the…
Envelope, Roofing & Weatherproofing
Architectural Louver
An Architectural Louver is a framed set of angled blades fitted to a facade to allow air movement…
Envelope, Roofing & Weatherproofing
Blast Resistant Louver
A Blast Resistant Louver is a heavily built louver designed to withstand and attenuate the pressure of an…
Envelope, Roofing & Weatherproofing
Building Envelope
A Building Envelope is the physical separation between the interior and exterior of a building, comprising the walls,…
Envelope, Roofing & Weatherproofing
Cable Penetration
A Cable Penetration is an opening through a wall, floor or roof through which cables pass, requiring firestopping…
Envelope, Roofing & Weatherproofing
Counterflashing
Counterflashing is a second layer of flashing that overlaps base flashing at a wall, parapet or curb, with…
Envelope, Roofing & Weatherproofing
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…
Envelope, Roofing & Weatherproofing
Equipment Curb
An Equipment Curb is a prefabricated, insulated support frame that raises mechanical or electrical equipment above a roof…
Envelope, Roofing & Weatherproofing
Facade Panel
A Facade Panel is a prefabricated cladding unit fixed to a building's exterior to provide weather protection, insulation…
Envelope, Roofing & Weatherproofing
Firestop Sleeve
A Firestop Sleeve is a sleeve incorporating a fire-resisting seal, often with an intumescent element, that allows a…
Envelope, Roofing & Weatherproofing
Flashing
Flashing is thin, impervious sheet material, usually galvanized steel, aluminium or membrane, installed to seal and shed water…
Envelope, Roofing & Weatherproofing
Insulated Metal Panel
An Insulated Metal Panel is a composite cladding unit with two metal facings bonded to an insulating foam…
Envelope, Roofing & Weatherproofing
Pipe Penetration
A Pipe Penetration is the point where a pipe passes through a wall, floor or roof, requiring a…
Envelope, Roofing & Weatherproofing
Rainscreen Cladding
Rainscreen Cladding is an outer facade layer set off from a weather-tight inner wall by a ventilated cavity,…
Envelope, Roofing & Weatherproofing
Roof Curb
A Roof Curb is a raised, weatherproofed frame mounted on a roof to support and seal the base…
Envelope, Roofing & Weatherproofing
Roof Penetration
A Roof Penetration is any opening through the roof for services such as pipes, ducts, cables, vents or…
Envelope, Roofing & Weatherproofing
Roof Walkway
A Roof Walkway is a designated, protected walking path across a roof, typically formed of rubber pavers, GRP…
Envelope, Roofing & Weatherproofing
Single-Ply Roofing Membrane
A Single-Ply Roofing Membrane is a factory-made flexible sheet, such as TPO, PVC or EPDM, laid in a…
Envelope, Roofing & Weatherproofing
Sleeve
A Sleeve is a short tube cast or built into a wall, floor or roof to form a…
Envelope, Roofing & Weatherproofing
Smoke Vent
A Smoke Vent is an openable roof or wall vent that releases smoke and hot gases from a…
Envelope, Roofing & Weatherproofing
Thermal Bridging
Thermal Bridging is localised heat flow through elements of higher conductivity, such as steel members, slab edges and…
Envelope, Roofing & Weatherproofing
Weather Louver
A Weather Louver is a louver designed to admit air while resisting the penetration of rain and snow,…