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Expansion Joint Covers

Flexible, weatherproof exterior closures designed to accommodate openings between adjoining parts of a structure. They manage movement caused by thermal expansion, settlement and the junctions of differing deck materials. They qualify for a Johns Manville Peak Advantage® Guarantee.

You can use our Expansion Joint Covers Reference Guide to learn more about which product will work best for your roofing system.

Expansion Joint Covers
Expand-O-Flash Expansion Joint Covers

Expand-O-Flash Expansion Joint Covers

Expand-O-Flash expansion joint covers are flexible waterproof rubber membrane bellows, supported by closed-cell foam, mechanically fastened or fully adhered to two metal flanges using a patented bifurcation process. (more ...)

Expand-O-Gard® Vertical Expansion Joint Cover

Expand-O-Gard® Vertical Expansion Joint Cover

Expand-O-Gard® expansion joints are flexible waterproof closures for vertical building walls designed to accommodate movement between building components caused by thermal, settlement, wind, flex and seismic forces. (more ...)

Fire Barrier

Call 800-445-1500 for current Fire Barrier information.

Product & Sales Information: (800) 654-3103