PLATINUM is an industry leading premium quality steep slope synthetic roofing underlayment that offers extreme durability, higher value for your dollar, and unmatched safety for your crew with its superior traction GRIPSPOT™ walking surface. FT PLATINUM does not shrink, lays flat, and stays put due to a high quality non-slip backside coating. FT PLATINUM underlayment is designed for use under most primary roofing materials including; commercial or residential metal, cement tiles, clay tiles, slate, wood, asphalt, or synthetic shingles.