GAF SA Vapor Retarder XL Specs
GAF SA Vapor Retarder XL Docs
GAF SA Vapor Retarder XL Installation & Assembly Videos
Why GAF SA Vapor Retarder XL?
GAF SA Vapor Retarder XL is a self-adhered membrane used as a vapor retarder on insulated roof systems. It can be installed on most substrates, such as steel, concrete, plywood, gypsum or cement boards,and asphaltic panels.
Where to buy
Find a commercial distributor near you.