{"product_id":"grace-ice-water-shield-ht-self-adhered-roofing-underlayment-3-ft-x-75-ft-black","title":"Grace Ice \u0026 Water Shield HT Self-Adhered Roofing Underlayment 3 ft. x 75 ft., Black","description":"\u003ch1\u003eGrace Ice \u0026amp; Water Shield HT Self-Adhered Roofing Underlayment 3 ft. x 75 ft., Black\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eGrace Ice \u0026amp; Water Shield HT is a high-temperature, self-adhered roofing underlayment supplied as one 3 ft. x 75 ft. black roll. Its rubberized asphalt adhesive combined with a polymeric film seals around nails and fasteners to resist leaks from ice dams and wind-driven rain. It bonds to the deck without heat or special adhesives.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh temperature rated:\u003c\/strong\u003e Designed to withstand high-temperature applications up to 260 degrees F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener sealing:\u003c\/strong\u003e The rubberized asphalt layer seals around roofing nails and other fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIce dam resistance:\u003c\/strong\u003e Resists leakage caused by water backing up behind ice dams or wind-driven rain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-adhered installation:\u003c\/strong\u003e Bonds firmly to the roof deck without supplemental heat or special adhesives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV barrier film:\u003c\/strong\u003e The polymeric top film includes UV barrier properties and allows up to 120 days exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium membrane:\u003c\/strong\u003e A premier two-material membrane built for premium in-place performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSell unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 roll, 3 ft. x 75 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrace Ice \u0026amp; Water Shield HT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubberized asphalt adhesive with high-performance polymeric film\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 ft. x 75 ft. roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage per unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e225 sq. ft. per roll (3 ft. x 75 ft.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithstands high-temperature applications up to 260 deg F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExposure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCan be left exposed up to 120 days before installing final roof covering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelf-adhered underlayment membrane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIce and water protection under high-temperature roof coverings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eCoverage \u0026amp; How Much You Need:\u003c\/h2\u003e\u003cp\u003eOne roll measures 3 ft. x 75 ft., covering approximately 225 sq. ft. of roof deck before laps. Deduct lap and edge overlaps when calculating rolls needed for eaves, valleys, and other vulnerable areas.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUse as a base membrane under high-temperature roof coverings such as metal, tile, or other systems where deck temperatures rise. Install over a clean, sound roof deck; priming may be needed on some porous substrates per manufacturer guidance.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in one order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll of Ice \u0026amp; Water Shield HT measuring 3 ft. x 75 ft., 225 sq. ft. nominal.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much area does a roll cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A full roll covers about 225 sq. ft. before deducting laps and overlaps.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How long can it stay exposed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It can be left exposed for up to 120 days before the final roof covering is installed.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it need heat or adhesive to install?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the self-adhered membrane bonds firmly to the deck without supplemental heat or special adhesives.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Why choose the HT version?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The HT formulation is designed for high-temperature applications up to 260 degrees F, such as under metal or dark roof surfaces.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it seal around fasteners?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the rubberized asphalt layer seals around roofing nails and other fasteners to resist leaks.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eChoose the HT version when the roof covering runs hot, such as standing seam metal or dark tile, where standard ice and water membranes can soften. Roll it onto a clean, dry deck and press firmly or use a roller to work out wrinkles and ensure full bond. Lap end and side joints per the printed lines, and plan rolls so laps fall in valleys rather than on ridges.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWork on roofs carries fall hazards; use proper roof anchors and fall protection, and keep the release-film surface clean and dry to prevent slips during installation.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eGet Grace Ice \u0026amp; Water Shield HT underlayment for premium high-temperature roof protection.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Grace","offers":[{"title":"Default Title","offer_id":67583395397999,"sku":"GRAHTIWS225","price":271.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/ProductImage_GRAHTIWS225_2929a5f2-f0a0-4d3e-a3dc-db8901782ca7.jpg?v=1790407054","url":"https:\/\/superarbor.io\/products\/grace-ice-water-shield-ht-self-adhered-roofing-underlayment-3-ft-x-75-ft-black","provider":"Super Arbor","version":"1.0","type":"link"}