GAF Tri-Ply SBS Granule Membrane is designed to provide a resilient modified bitumen membrane with a granule surface for low-slope applications. The roll contains a core of nonwoven polyester mat， which improves the elongation and resists splits and tears to ensure quality. GAF Tri-Ply SBS Granule is designed for use in all climate zones and is appropriate for use as a base sheet， ply felt and in the construction of flashing membranes.
Granule surfacing protects against weathering
Ideal for new roofs and repairs of built-up or SBS modified bitumen systems
Meets ASTM D6164， type I， grade G
FM approved
UL classified
Miami-Dade county product control approved
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