Grace Ice & Water Shield HT Roofing Underlayment - 36" x 66.6' Roll


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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



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.


Manufacturer Grace
Brand Grace
Sub Brand GCP Applied Technologies
Code Approval Underwriters 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 Feet) 200
Installation Method Self-Adhering; Side Laps must be a minimum of 3.5 inches and End Laps a minimum of 6 inches
Installation Temperature 40 degrees Fahrenheit or higher
Package Quantity 1
Returnable Yes
Ultraviolet Protection 120 Days
Quick ID Q824
UPC 048444400086

Weights and Dimensions

Weight (Pounds) 51.1
Length (Feet) 66.6
Thickness (Inches) 40 mil
Width (Inches) 36


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