Roof Expansion Joints Details

This aluminum roof cover is comprised of extruded aluminum components injection molded turn bar duroflex gaskets and a polyethylene vapor barrier.

Roof expansion joints details.

The curbs should extend at least 8 or 10 if a cant is used above the adjacent roof. Each expand o flash cover is a combination of a flexible rubber membrane supported by a closed cell foam to form flexible bellows with two metal flanges adhesively and mechanically combined to the bellows by a patented bifurcation process. 300e series exterior glide plate wall expansion joint covers. In general the top surface of the curbs should be sloped away from the joint to shed condensation and moisture onto the roof.

Expand o flash expansion joint covers are flexible weather proof exterior covers for expansion joint openings and are an effective flexible closure for a wide variety of standard and special applications. We offer a partnership and complete solution that lasts long after your project is finished. 615 series flush mount exterior expansion joints. The waterproofing element of most other roof expansion joints is a looped membrane.

It is ideal for applications where exterior seals are used in walls and watertight transitions are critical. Joint sizes range from 1 to 2. At firestone building products we offer more than just roofing and building solutions. Expansion joints in roofs require wood curbs around each roof area.