{"product_id":"soprema-lastobond-shield-ht-sbs-modified-bitumen-ice-water-underlayment-2-squares-per-roll","title":"SOPREMA LASTOBOND Shield HT SBS Modified Bitumen Ice \u0026 Water Underlayment, 2 Squares per Roll","description":"\u003ch1\u003eSOPREMA LASTOBOND Shield HT SBS Modified Bitumen Ice \u0026amp; Water Underlayment, 2 Squares per Roll\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eSoprema LASTOBOND Shield HT is a high-temperature SBS-modified bitumen, self-adhesive underlayment for approved steep-slope roof assemblies, supplied in rolls covering 2 squares. Its elastomeric SBS formulation with high-tack self-adhesive delivers premium protection from severe ice dams, making it a top choice under architectural metal roofs and in high-altitude or Alpine regions. One order is one roll.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh temperature:\u003c\/strong\u003e HT (high temperature) formulation for use in approved steep-slope assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-adhesive:\u003c\/strong\u003e Proprietary elastomeric SBS-modified bitumen combined with high-tack self-adhesive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIce dam protection:\u003c\/strong\u003e Provides premium protection from severe ice dams.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal roof rated:\u003c\/strong\u003e Suited for installation under architectural metal roofs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlpine use:\u003c\/strong\u003e Recommended for roofing in high altitude and Alpine regions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 squares per roll:\u003c\/strong\u003e Each roll covers 2 squares of roof area.\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\u003eSoprema\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, 2 squares\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLASTOBOND Shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 squares per roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSBS-modified bitumen (elastomeric) with high-tack self-adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIce \u0026amp; water underlayment, high temperature\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\u003e2 squares per roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelf-adhesive, approved steep-slope assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteep-slope underlayment, especially under architectural metal roofs and in severe ice dam \/ high altitude regions\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 covers 2 squares (200 sq ft) of roof area. Size the job by dividing the roof area in squares by 2 and adding waste for laps at eaves, valleys and penetrations per the manufacturer's installation instructions.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eDesigned for use in approved steep-slope assemblies, particularly under architectural metal roofing where the high-temperature formulation resists heat buildup beneath the metal. Use with the Soprema membrane system components specified for the roof assembly.\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 LASTOBOND Shield HT underlayment covering 2 squares.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much area does one roll cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll covers 2 squares, or 200 sq ft of roof area.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Why high temperature?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The HT formulation is designed for assemblies such as architectural metal roofs where underlayment temperatures can run high.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it protect against ice dams?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it provides premium protection from severe ice dams and is recommended for high altitude and Alpine regions.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is a high-tack self-adhesive membrane applied to the prepared deck in approved steep-slope assemblies; follow the manufacturer's installation instructions.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used under any roofing?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is intended for use in approved steep-slope assemblies, with highlighted use under architectural metal roofs.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eLASTOBOND Shield HT is the right pick when metal roofing will heat the deck well above standard shingle temperatures, or when severe ice dam exposure demands a self-adhered membrane at eaves and valleys. Prime porous or questionable substrates if required by the installation instructions and roll the laps firmly for a watertight seal. Estimate rolls from the protected area (eaves, valleys, full coverage per spec) divided by 2 squares per roll, plus 5-10% waste.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSelf-adhered underlayment becomes slippery, especially when wet or cold, so wear appropriate roof work footwear and fall protection on steep slopes.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Soprema LASTOBOND Shield HT underlayment for premium ice dam protection under your metal roof.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Soprema","offers":[{"title":"Default Title","offer_id":53522935644527,"sku":"SOPD10510","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/SOPD10510_0.jpg?v=1790234602","url":"https:\/\/superarbor.io\/products\/soprema-lastobond-shield-ht-sbs-modified-bitumen-ice-water-underlayment-2-squares-per-roll","provider":"Super Arbor","version":"1.0","type":"link"}