Elastoflex S6 G membranes are high quality elastomeric, SBS (Styrene-Butadiene-Styrene) modified asphalt roofing membranes reinforced with a non-woven 180 gram polyester mat. The Elastoflex S6 G, with a polyethylene burn off film, is specially designed and formulated for heat welding applications. With superior reinforcement and proprietary formulation, this granulated cap sheet exhibits exceptional tensile strength, puncture resistance, and dimensional stability. The granulated surface, provides long term UV protection. The Elastoflex S6 G membranes meet, or exceed, the requirements for ASTM D-6164, are listed by UL and can be used as part of a Polyglass warranted roof assembly.