{"product_id":"mb-technology-layfast-sbs-tu-70-steep-slope-roofing-underlayment-roll","title":"MB Technology Layfast SBS TU-70 Steep Slope Roofing Underlayment Roll","description":"\u003ch1\u003eMB Technology Layfast SBS TU-70 Steep Slope Roofing Underlayment Roll\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eMB Technology Layfast SBS TU-70 is an SBS modified asphalt underlayment for steep slope roofing, sold by the roll. It is installed beneath shingles, tile, or metal as part of the roofing deck protection layers. One roll unit is supplied per order.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSBS modified:\u003c\/strong\u003e SBS-modified asphalt underlayment designed for steep slope applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTU-70 grade:\u003c\/strong\u003e Manufactured as the TU-70 grade in the Layfast line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteep slope use:\u003c\/strong\u003e Intended for use under steep slope roof coverings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll format:\u003c\/strong\u003e Supplied as a roll for efficient coverage of roof decks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck protection:\u003c\/strong\u003e Serves as a water-resistive layer beneath the primary roof covering.\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\u003eMB Technologies\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMB Technology Layfast\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 asphalt underlayment\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 roofing underlayment beneath shingles or other 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\u003eRoll coverage depends on the stated roll size, which is not provided in the sources; consult the manufacturer's product data for square feet per roll. Plan laps and head laps into your coverage calculation.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUse beneath compatible steep slope coverings such as shingles, metal, or tile. As with any underlayment, follow the roof covering manufacturer's requirements for underlayment type and attachment.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll of MB Technology Layfast SBS TU-70 underlayment.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Where is this used?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e As an underlayment layer on steep slope roofs, beneath the primary roof covering.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does one roll cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Roll coverage is not stated in the available specifications; check the manufacturer's product data sheet.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used under metal roofing?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is a steep slope underlayment, but confirm underlayment requirements with the roof covering manufacturer before installing.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it self-adhered?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Self-adhesion is not stated in the sources; verify attachment method with the product data sheet.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eSBS modified underlayments like this TU-70 grade are typically chosen for added flexibility and toughness on steep slope decks compared to plain asphalt felts. Always dry-in the roof fully before setting the finished covering, and keep laps shingle-fashion so water sheds down-slope. Match the underlayment to the covering manufacturer's spec to keep the roof system warranty intact.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eUnderlayment surfaces can be slippery, especially when damp or dusty; wear appropriate footwear and use fall protection on the roof.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder MB Technology Layfast SBS TU-70 underlayment by the roll for your steep slope roof project.\u003c\/strong\u003e\u003c\/p\u003e","brand":"MB Technologies","offers":[{"title":"Default Title","offer_id":53531881734511,"sku":"06MBLFSTU7","price":108.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/ABC-Underlayment-Mineral-Surface-06MBLFSTU7-primary.jpg?v=1790369606","url":"https:\/\/superarbor.io\/products\/mb-technology-layfast-sbs-tu-70-steep-slope-roofing-underlayment-roll","provider":"Super Arbor","version":"1.0","type":"link"}