Ice & Water Shield HT Roofing Underlayment 36" x 66.6' Roll - 200 Sq. Ft.

by Grace
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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.


  • Excellent protection against wind driven rain and ice dams
  • High quality seal around roofing fasteners
  • Provides watertight installation with NO special treatment of the laps
  • Ripcord and Measurement Markings enable fast and easy installation
  • Ripcord Split Release on Demand makes installation quick and easy
  • High Temperature (HT) resistance up to 260 degrees Fahrenheit
  • Self-adheres
    Manufacturer Part Number78416
    Code ApprovalUnderwriters Laboratories Inc. R13399- Class A fire classification under fiber-glass shingles and Class C underorganic felt shingles (per ASTM E108/UL 790) ; Underwriters Laboratories Inc. Classified Sheathing Material Fire Resistance Classification wit
    Coverage - Square Feet200
    Installation MethodSelf-Adhering; Side Laps must be a minimum of 3.5 inches and End Laps a minimum of 6 inches
    Installation Temperature40 degrees Fahrenheit or higher
    Length - Feet66.6
    Package Quantity1
    Thickness - Inches40 mil
    Ultraviolet Protection120 Days
    Ships to HI/AKYes