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