SA Vapor Retarder XL | GAF Roofing

GAF SA Vapor Barrier XL is a self-adhered, vapor-inhibiting membrane designed for use in approved roofing membrane assemblies. It’s composed of a trilaminated woven polyethylene facer combined with an advanced, high-tack butyl rubber adhesive. The under-face is applied with a split silicone release film that is removed during installation. This uniquely durable product exhibiting high tensile strength can be left exposed for up to 180 days when installed in accordance with published GAF specifications and details.

To learn more about GAF SA Vapor Retarder XL, visit

More homes and businesses in the U.S. are protected by a GAF roof than by any other product. We are the leading roofing manufacturer in North America, with plants strategically located across the U.S. As a Standard Industries company, GAF is part of the largest roofing and waterproofing business in the world. Connect with us:

Find us at:
Follow us on LinkedIn:
Follow us on Twitter:
Like us on Facebook:
Follow us on Instagram: