The F1 Air & Vapor Barrier creates an air- and vapor-tight seal between a low-slope roofing system and the building below. Compatible with a wide variety of roofing systems and can be used on primed substrates, including concrete, plywood, exterior gypsum, DensDeck Prime, and SECUROCK.
The membrane is a 40-mil-thick composite consisting of 35 mils of self-adhering rubberized asphalt laminated to a 5-mil-thick woven polypropylene film. Resistant to tears and punctures.