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WR Grace Ice & Water Shield HT 40 mil x 36" x 75'

Brand: WR Grace Mfg#: 77511
Product#: 457IWS36HT
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Grace Ice & Water Shield® HT is a premier membrane designed to deliver premium in-place performance for high temperature applications. It is composed of two waterproofing materials— an innovative and proprietary rubberized asphalt adhesive combined with a


  • Extended exposure - can be left exposed for upto 120 days
  • Foldless release paper: The foldless release paper provides multiple performance enhancements: fewer edge catches, 180° pull-back, ease of membrane cutting (single cuts) and membrane positioning, quicker “one-man installs” resulting in an easier, more productive release
  • Reroofable�Unlike some granular surfaced membranes, Grace Ice & Water Shield HT will not adhere to the underside of the exposed roof\ covering. It can be applied over the old Grace underlayment (except over Grace Basik� except over Grace Basik�, Grace Tri-Flex� and Grace Tri-Flex� Xtreme�) in retrofit applications, making reroofing easier, less costly, more durable and environmentally friendly (as the structural deck remains intact avoiding the need to purchase additional wood decking)
  • Seals around nails: The rubberized asphalt layer in Grace Ice & Water Shield seals around roofing nails, resisting leakage caused by water back-up behind ice dams, or from wind-driven rain
  • Easy to handle and apply: The self-adhesive membrane bonds firmly to the roof deck without heat or special adhesive
  • Grace technical support - Grace ice and water shield HT is backed by a team of local technical support personnel that help ensure every application goes smoothly
  • Dual barrier protection: Rubberized asphalt and polyethylene are combined to form two waterproofing barriers providing maximum protection
  • Protects under all standard sloped roof coverings: Grace Ice & Water Shield protects under slate, tile, cedar shakes or metal, as well as under conventional asphalt shingles
  • High temperature resistance - Rubberized asphalt will not flow, even at temperatures as high as 260 deg F (127 deg C)
  • Superior adhesion�The self-adhered membrane bonds firmly to the roof deck without heat or special adhesives. Ripcord is a unique, patented feature that makes Grace Ice & Water Shield HT easier to apply by giving the applicator a split release on demand. Faster application of the membrane in the straight-aways, as well as ease of membrane positioning in detailed areas (valleys, around dormers, etc.), are just some of the benefits
  • Slip resistant surface: Grace Ice & Water Shield has a slip resistant embossed surface to maximize traction and safety for applicators
  • Membrane will not crack, dry out or rot: Grace Ice & Water Shield resists attacks from fungus and bacteria; maintains its integrity for long lasting protection


  • Brand: WR Grace
  • Product Line: Ice & Water Shield
  • Tensile Strength: 250 psi
  • Type: Self-Adhering
  • Material: Rubberized Asphalt Adhesive/HDPE
  • Color: Gray/Black
  • Thickness: 40 mil
  • Temperature Rating: 40 deg F
  • Standards: ASTM D1970
  • Length: 75 ft
  • Width: 36 in