MFM Building Products, a manufacturer of a full envelope of waterproofing and weather barrier products for the building industry, has introduced Premium HT Tile & Metal™, a high-temperature roofing underlayment.  This self-adhering, self-stick roofing underlayment is composed of a high-grade, reinforced polyester fabric laminated to a high-temperature asphalt adhesive system.  This premium product also has a fiberglass-reinforced core for extreme durability and features a 3” selvedge edge to ensure a secure, monolithic seal.  The surface fabric offers excellent foot traction and for stacking tiles during construction.  Premium HT Tile & Metal’s UV exposure is 180 days.

         Premium HT Tile & Metal is intended to be used as a whole-roof underlayment.  It will withstand the high temperatures created by metal and tile roofing with a temperature rating of 250°F.  The top surface bonds well with foam adhesive systems and works well with nail-down tile roofs.  It may also be used underneath cedar shakes and synthetic or asphalt shingles.  Premium HT Tile & Metal is self-sealing around common roofing fasteners to ensure a complete waterproof barrier.

         The underlayment has a nominal thickness of 60 mils and is available in a 36” x 67’ roll size.  The product meets ASTM D 1970 and TAS 103-95 through independent, third-party testing, and has been submitted for product approvals.  Premium HT Tile & Metal comes with a 30-year limited warranty.


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