{"product_id":"tri-built-trigmc15f226432-tri-built-15-asphalt-felt-underlayment-36-in-roll-astm-d-226","title":"TRI-BUILT 15# Asphalt Felt Underlayment, 36 in. Roll, ASTM D-226","description":"\u003ch1\u003eTRI-BUILT 15# Asphalt Felt Underlayment, 36 in. Roll, ASTM D-226\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eTRI-BUILT 15# organic felt underlayment is a 36 in. wide roll of roofing felt that meets ASTM D 226. Sold per roll at 52 lb, it installs under asphalt shingles as a secondary water-shedding layer. Use with shingles, starter and drip edge in a standard steep-slope roof assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASTM D 226:\u003c\/strong\u003e Meets ASTM D 226, the standard specification for asphalt-saturated organic felt underlayment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36 in. width:\u003c\/strong\u003e 36 in. roll width suited to standard shingle course layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15# felt weight:\u003c\/strong\u003e Traditional 15-pound felt for residential steep-slope roofing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePer-roll unit:\u003c\/strong\u003e Sold per roll, approximately 52 lb each for job estimating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary protection:\u003c\/strong\u003e Provides a water-shedding layer beneath shingles.\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\u003eTRI-BUILT\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\u003eTRI-BUILT roofing felt underlayment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36 in. roll width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e52 lb 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\u003eAsphalt-saturated felt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM D 226\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 beneath shingles\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 length is not stated in the sources; traditional 15# felt in 36 in. width is commonly supplied in 432 sq ft (144 ft x 36 in.) rolls, but confirm before ordering and allow for laps.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUsed under asphalt shingles and other steep-slope coverings; pair with TRI-BUILT drip edge and underlayment products in the same roof system.\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 36 in. roll of TRI-BUILT 15# felt underlayment meeting ASTM D 226.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What standard does it meet?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e ASTM D 226, the specification for asphalt-saturated organic felt used as roofing underlayment.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I size the job?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Roll length is not published in our sources; traditional 15# 36 in. rolls are typically 432 sq ft, so confirm and add for lap overlap.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Horizontally over the deck with laps per the manufacturer's instructions and local code, before shingles are applied.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does a roll weigh?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Approximately 52 lb.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eFifteen-pound felt remains a workhorse underlayment for standard residential slopes. Lap horizontal courses at least 2 in. and end laps 4 in., following manufacturer instructions and local code. For valleys, eaves and low-slope sections, upgrade to a self-adhering membrane for added protection.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFelt underlayment can be slippery, especially when wet or dusty; wear appropriate footwear and fall protection while installing.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder TRI-BUILT 15# felt underlayment, ASTM D-226, for a dependable layer under your next shingle roof.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TRI-BUILT","offers":[{"title":"Default Title","offer_id":67619174187375,"sku":"TRIGMC15F226432","price":40.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/560140_default_hero.jpg?v=1790702440","url":"https:\/\/superarbor.io\/products\/tri-built-trigmc15f226432-tri-built-15-asphalt-felt-underlayment-36-in-roll-astm-d-226","provider":"Super Arbor","version":"1.0","type":"link"}