Cant Strip
Cant strips are sloped materials used at roof edges to facilitate smooth transitions between horizontal and vertical surfaces, preventing leaks and supporting roofing membranes.
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Definition
A cant strip is a strip of material, usually treated wood or fiber, with a sloping face used to ease the transition from a horizontal to a vertical surface at the edge of a flat roof.
Purpose
Cant strips prevent roofing material from abruptly stopping at the parapet wall, facilitating a smooth transition and helping prevent leaks at the junction. They provide support for roofing membranes and protect against water penetration.
Examples of Use
- Flat Roofs: Placing cant strips along the perimeter where the roof meets the parapet wall.
- Roof-Deck Transitions: Installing cant strips where a flat roof transitions to a higher vertical surface.
- Roof Repairs: Using cant strips to improve water runoff and prevent leaks in existing roofs.
Related Terms
- Parapet Wall: A low wall at the edge of a roof.
- Roof Membrane: A layer of material used to waterproof a roof.
- Flashing: Material used to seal and protect joints in a building from water penetration.
Notes
Proper installation of cant strips is crucial to ensure effective water drainage and prolong the life of the roofing system. They are often part of a larger waterproofing strategy.
Related Terms
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