Ice & Water Shield Roofing Underlayment 36" x 36' Roll - 108 Sq. Ft.

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Grace Ice & Water Shield fully-adhered smooth surface roofing underlayment has been the leader in roof underlayments for over 35 years. The time-tested rubberized asphalt formulation has been proven to form a watertight bond with the roof deck and to seal around fasteners used to attach roof coverings. The Grace Ripcord Split Release on Demand makes installation around difficult areas like chimneys fast and simple.


  • 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
  • See Code Approvals under Specs
  • Also Code Compliant with Underwriters Laboratories Inc. Classified Sheathing Material Fire Resistance Classification with Roof Designs: P225, P227, P230, P237, P259, P508, P510, P512, P514, P701, P711, P717, P722, P723, P732, P734, P736, P742, P803, P814, P818, P824; Miami-Dade County Product Control Approved. Report NOA 12-1115.02; and Florida State Approval Report No. FL289-R3


Manufacturer Part Number652
Sub BrandGCP Applied Technologies
Code ApprovalICC ESR-1677 approval according to AC-48 Acceptance Criteria for Self-Adhered underlayments used as Ice Barriers; Underwriters Laboratories Inc. Class A fire classification under fiber-glass shingles and Class C under organic felt shingles (per ASTM E108/UL 790;
Coverage - Square Feet108
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 - Feet36
Package Quantity1
Thickness - Inches40 mil
Ultraviolet Protection30 Days
Width - Inches36
Ships to HI/AKNo