Alwitra flat roof details.
Flat roof expansion joint details.
The waterproofing element of most other roof expansion joints is a looped membrane.
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This aluminum roof cover is comprised of extruded aluminum components injection molded turn bar duroflex gaskets and a polyethylene vapor barrier.
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400 series expansion joint details documents.
Joint sizes range from 1 to 2.
As expansion joints move the greatest stress occurs in the cover at the point where expansion joints intersect cross or change directions.
Watertightness is achieved through positive integration with the roofing membrane and a purpose designed system for transitioning between the joint in the roof and joints in walls.
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Details and technical drawings of expansion joints.
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It is ideal for applications where exterior seals are used in walls and watertight transitions are critical.
Factory fabricated intersections are designed for maximum flexibility and are produced using special fabrication techniques to ensure watertight clean seam lines.