RESISTO 17757 Air and Vapor Barrier Membrane, 75 ft L, 18 in W, Elastomeric SBS Bitumen/Trilaminate Woven Polyethylene
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This product is a 0.635 mm self-adhesive membrane composed of elastomeric SBS bitumen and trilaminate woven polyethylene. The underface is composed of a silicone release film. It ensures air and vapor sealing around doors and windows.