Enverge™ Air and Vapor Barrier Words: Dan Kamys Winter 2014-15 New Products Enverge™ Air and Vapor Barrier http://firestonebpco.com Firestone Building Products’ Enverge Air and Vapor Barrier is an asphalt-based, self-sealing wall barrier that provides energy savings and contributes to better air quality for building occupants. According to the manufacturer, this system offers the following advantages: Reflective facer provides energy savingsSelf-sealing barrierConsistent membrane thicknessMinimizes drafts and reduces moisture to guard against moldMeets or exceeds ASTM D5602, D1876, D903, E283, E96, and E330. Installation considerations include: Surface must be primed with an Enverge primerRemove the release liner at a 45° angle in 3” increments to promote correct alignment and installation continuityThe membrane should be firmly rolled from the center to the outside for maximum adhesionSeams should overlap a minimum of 2” for effective coverageSelf-seals around mechanical fasteners and minimizes air leakage around open gaps; foil flashing tape can also be used to seal penetrations.