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SOPREMA’s Sentinel PVC roof membrane is a proprietary thermoplastic formulation that provides a highly reflective, durable, and superior quality product. An 18 x 9 weft-inserted anti-wicking knit scrim that is laminated between two layers of PVC film gives the membrane its strength and durability. This EPD applies to the Sentinel single-ply membrane in white, light gray, charcoal, light tan, patina, copper, blue, and green, 60-mil and 80-mil nominal thicknesses. The Sentinel membrane was engineered to be used with the complete line of SOPREMA’s proven, precision-fabricated flashings for curbs, stacks, and parapets. Sentinel can be applied by a certified contractor utilizing a variety of methods, including mechanically fastened, induction welding, or fully adhered