Name: GAF SA Vapor Retarder XL
Brand: GAF

About GAF SA Vapor Retarder XL

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.

Benefits of GAF SA Vapor Retarder XL

Designed to be self-sealing with increased adhesion performance, GAF SA Vapor Retarder XL provides three times the peel strength compared to self-adhered modified bitumen vapor barriers.

EASY TO USE

No primer required prior to installation. Creates a slip-resistant embossed walking surface.
MORE DURABLE THAN EVER

High tensile strength. Can be left exposed for up to 180 days when properly installed.
FIRE RATED DIRECT TO METAL DECK

ASTM E108 Class A and FM 4470 Class 1 Fire Ratings directly over steel deck

GAF SA Vapor Retarder XL & XL40 SDS - 4042

Safety Data Sheets
- PDF
SA Vapor Retarder XL Data Sheet - COMGN847

Data Sheets
- PDF
SA Vapor Retarder XL Installation Instructions - COMGN381

Installation Instructions and Guides
- PDF

Installation

Fast and easy to install.

Step 1: Kick out the roll, maintaining 3" end and side laps.
Step 2: Maintain proper placement to the previous roll.
Step 3: Carefully peel back the silicone release film.
Step 4: Peel the liner low and at a 45-degree angle. Use a weighted roller to smooth the membrane.