Soprema Sopravap'R Sa Membrane 4.8 Sq

45" x 134' x 31 Mil Roll, 468 Sq Ft Coverage, Polyethylene Film Topside, Release Film Underside, Asphalt Odor, Black SOPRAVAP’R® Air Barrier/Vapor Retarder (25 per Pallet)

SOPRAVAP'R™ is an SBS-modified bitumen vapor barrier for use in approved multi-ply membrane and flashing assemblies. SOPRAVAP'R is composed of a proprietary formulation of elastomeric styrene-butadiene-styrene (SBS) polymer modified bitumen in combination with a high tack self-adhesive specifically designed for use with steel decks. The topside is surfaced with high strength tri-laminate polyethylene film and the underside is surfaced with protective polyolefin release film that is removed during application.