{"product_id":"tri-built-trifpm15d226-tri-built-15-asphalt-felt-underlayment-36-in-x-144-ft-astm-d226-4-square-roll","title":"TRI-BUILT #15 Asphalt Felt Underlayment, 36 in. x 144 ft., ASTM D226, 4 Square Roll","description":"\u003ch1\u003eTRI-BUILT #15 Asphalt Felt Underlayment, 36 in. x 144 ft., ASTM D226, 4 Square Roll\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eTRI-BUILT #15 felt is an organic asphalt-saturated roofing underlayment supplied as one 36 in. x 144 ft. roll (4 squares) that meets ASTM D226. Use it under shingles as a traditional water-resistive underlayment layer. One roll weighs approximately 52 lb.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASTM D226:\u003c\/strong\u003e Manufactured to ASTM D226, the standard specification for asphalt-saturated organic felt underlayment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 Squares Per Roll:\u003c\/strong\u003e Each 36 in. x 144 ft. roll covers 4 roofing squares.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#15 Weight Class:\u003c\/strong\u003e Standard #15 felt weight class for steep-slope roofing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraditional Felt:\u003c\/strong\u003e Asphalt-saturated felt, the time-tested underlayment choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Roll:\u003c\/strong\u003e 36 in. width covers more per course than 18 in. felt.\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, 36 in. x 144 ft. (4 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\u003eTRI-BUILT #15 Felt\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. x 144 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\u003e4 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\u003eAsphalt-saturated organic felt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM D226\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\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteep-slope roofing 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\u003eOne roll is 36 in. wide by 144 ft. long and covers 4 roofing squares (approximately 400 sq ft) before lap deduction. Allow for head laps and side laps per the manufacturer's instructions when estimating rolls needed.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUse as a shingle underlayment over the roof deck, beneath asphalt shingles and most steep-slope coverings. Attach with cap nails or cap staples and lap courses per standard felt application practice; ice-and-water barrier at eaves and valleys may still be required by code.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does one roll cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 36 in. x 144 ft. roll covers 4 squares (about 400 sq ft) before lap deductions.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What standard does it meet?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is manufactured to ASTM D226.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this #15 or #30 felt?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This item is #15 felt.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Roll it horizontally over the deck with proper laps and fasten with cap nails or cap staples per the manufacturer's instructions.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How heavy is a roll?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each roll weighs approximately 52 lb.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003e#15 ASTM D226 felt remains the economical choice for standard shingle jobs where a synthetic is not specified. At 36 in. width you gain speed over 18 in. rolls, but plan lap allowances carefully so the 4-square yield works out. Keep rolls dry and flat before and during installation to avoid wrinkles and tears.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFelt underlayment becomes slippery when wet and can tear underfoot; wear non-slip footwear and use fall protection on the roof.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder TRI-BUILT #15 ASTM D226 felt, 4-square rolls, for your next shingle roof.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TRI-BUILT","offers":[{"title":"Default Title","offer_id":53529507856751,"sku":"TRIFPM15D226","price":39.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/592832_default_hero.jpg?v=1790350612","url":"https:\/\/superarbor.io\/products\/tri-built-trifpm15d226-tri-built-15-asphalt-felt-underlayment-36-in-x-144-ft-astm-d226-4-square-roll","provider":"Super Arbor","version":"1.0","type":"link"}