Platinum HT-SA Ice & Water Roofing Underlayment, 41 mil, 36" x 67', High-Temp, Self-Adhering, Nail Sealable, UV Resistant, ASTM/CSA Certified, Lifetime Warranty

The FT Synthetics Platinum HT Self-Adhering Underlayment is an all-new, updated underlayment from the original FT Synthetics HTSA Platinum HT Self-Adhering Underlayment. Its upgraded features include it being a high-temperature self-adhered waterproofing membrane that features a black butyl rubber adhesive that is designed to be used as a secondary ice and water protection for steep slope roofing applications. It can be used under most roofing materials such as residential or commercial metal, primed cedar shakes, mechanically attached concrete, asphalt shingle, or composite shingles. Combined with Gripsot technology, the underlayment has a patented anti-slip walking surface with high-temperature black butyl adhesive backing that allows for both low temperature (down to 32 degrees Fahrenheit) and rising deck adhesion and high-temperature stability (up to 265 degrees Fahrenheit). Backed by its limited lifetime warranty, the FT Synthetics high-temperature underlayment has a split release silicone liner for easy removal during installation.

• Heavy-Duty Protection: 41 mil thick, high-temp ice & water underlayment delivers superior durability and long-lasting roof deck protection.
• Certified Performance: Meets ASTM D226, D4869, D1970, E108, CAN/CSA A123.3, A220.1; TDI, RCABC RoofStar & Florida Building Code approved.
• Reliable Seal: 100% butyl, sEasy & Versatile Install: Split release silicone liner for fast application; UV resistant up to 180 days with Limited Lifetime Warranty.elf-adhering design with nail sealability creates watertight laps to guard against leaks and moisture.
• Easy & Versatile Install: Split release silicone liner for fast application; UV resistant up to 180 days with Limited Lifetime Warranty.