{"product_id":"mb-technologies-mb-technology-layfast-sbs-tu-43-underlayment","title":"MB Technologies Layfast SBS TU-43 Roofing Underlayment – MR43TU508","description":"\u003ch1\u003eMB Technologies Layfast SBS TU-43 Roofing Underlayment\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eMB Technology Layfast SBS TU-43 is an SBS modified bitumen roofing underlayment for use beneath asphalt shingle and other steep-slope roof coverings. The sell unit is one roll. Install as the first layer over the roof deck before shingles for added water resistance.\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 polymer modified asphalt construction for flexible, durable underlayment performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTU-43 grade:\u003c\/strong\u003e Layfast TU-43 grade underlayment from MB Technology's Layfast line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll format:\u003c\/strong\u003e Supplied as a roll for efficient coverage across roof planes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteep slope use:\u003c\/strong\u003e Designed as an underlayment beneath steep-slope roof coverings.\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\u003eManufacturer model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMR43TU508\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\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\u003eRoofing underlayment under shingle or other roof coverings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eInstall under asphalt shingles or other compatible steep-slope roof coverings; fastening and lap requirements should follow the manufacturer's installation instructions.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in the sell unit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll of MB Technology Layfast SBS TU-43 underlayment.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What are the roll dimensions and weight?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Roll dimensions and weight are not stated in the available sources.\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 rolled out horizontally over the roof deck and fastened per the manufacturer's instructions before the roof covering is applied.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it SBS modified?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the Layfast TU-43 is an SBS modified asphalt underlayment.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eSBS modified underlayments like Layfast TU-43 offer better flexibility and tear resistance than plain organic felts, which helps around eaves, valleys and fastener penetrations. Overlap side and end laps per the manufacturer's guidance and work from the eave upward so upper courses shed water over lower ones. Order enough rolls to cover the roof square footage plus lap allowance.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eRoof underlayment installation involves working at height on sloped surfaces; use proper fall protection and take care on hot, slick modified asphalt surfaces.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eGet MB Technology Layfast SBS TU-43 underlayment rolls for your next roofing project today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"MB Technologies","offers":[{"title":"Default Title","offer_id":53396029342063,"sku":"06MBLFTU43","price":109.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/ABC-Underlayment-Mineral-Surface-06MBLFTU43-primary.jpg?v=1789846418","url":"https:\/\/superarbor.io\/products\/mb-technologies-mb-technology-layfast-sbs-tu-43-underlayment","provider":"Super Arbor","version":"1.0","type":"link"}