Ice & Water Shield Ht Roofing Underlayment - 36" X 66.6' Roll

Grace Ice & Water Shield HT is specifically designed to stand up to the high temperatures and other inherent challenges presented by metal roofing. This High Temperature roofing underlayment has a thermal stability up to 260 degrees Fahrenheit. Grace Ice & Water Shield HT has a 120 day exposure time, keeping construction schedules flexible.