Premium HT Tile & Metal is a self-adhering roofing underlayment composed of a high-grade, reinforced polyester fabric laminated to a high-temperature asphalt adhesive system rated to 250°F. Product features a 3" selvedge edge to ensure a secure, monolithic seal. The surface fabric offers excellent traction for good footing and for stacking tiles. Premium HT is intended to be used as a whole-roof underlayment. It withstands the high temperatures created by metal roofing and bonds well with foam adhesive systems and traditional nail-down tile roofs. It can also be used underneath cedar shakes, and synthetic and asphalt shingles. Roll size of 36" x 67' (200 sq ft). Packaged one roll per carton. Comes with a 10-Year warranty.