Description:
The G.A.P. Roofing WaterGuard™️ Self-Adhered SBS Base Sheet is a polyolefin black film surface sheet with a bituminous adhesive back side incorporating a poly split release liner for ease of application. This product is ideal for a 2-ply system when utilizing the G.A.P. Roofing WaterGuard™️ Self-Adhered SBS Cap Sheet (for the exposed top surface membrane).

This material offers great adhesion to the roofing deck in low slope residential applications (like patio roof extensions), and excellent water hold-out properties.

Documents:
Product Technical Data Sheet
MSDS
Installation Instructions; En Espanol

Product Use:
May be used as a roofing membrane base ply in conjunction with G.A.P. Roofing WaterGuard™️ Self-Adhering SBS Cap Sheet as a 2-ply system in low slope residential applications. This product may also be used for other cold applied built-up roofing systems requiring a polymeric top surface. To apply, simply remove the split release film from the adhesive side pressing the membrane’s self-adhesive back surface into place.

Material Performance: