Membrain 10 Ft. W X 100 Ft. L Unfaced Air Barrier and Smart Vapor Plastic Sheeti por | ago 4, 2026It lets wall cavities dry out to help prevent mold. Not all climate zones require vapor retarders. Thickness (mil) 2 MIL. Sheet Length (ft) 100 ft. Sheet Width (ft) 10 ft. Suitable for use in various climate zones and spaces.
