Roof Expansion Joints Details

It is ideal for applications where exterior seals are used in walls and watertight transitions are critical.

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. A roof expansion joint emseal roofjoint is a patented dual seal double flanged extruded thermoplastic rubber system for sealing expansion joints in roofs. 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.

At firestone building products we offer more than just roofing and building solutions. 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. The curbs should extend at least 8 or 10 if a cant is used above the adjacent roof. Joint sizes range from 1 to 2.

The waterproofing element of most other roof expansion joints is a looped membrane. Expansion joints in roofs require wood curbs around each roof area. We offer a partnership and complete solution that lasts long after your project is finished. 615 series flush mount exterior expansion joints.