{"product_id":"atlas-summit-180-synthetic-roof-underlayment-48-in-x-250-ft-polypropylene-roll","title":"Atlas Summit 180 Synthetic Roof Underlayment, 48 in. x 250 ft. Polypropylene Roll","description":"\u003ch1\u003eAtlas Summit 180 Synthetic Roof Underlayment, 48 in. x 250 ft. Polypropylene Roll\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eAtlas Summit 180 is a premium synthetic roof underlayment, 48 in. x 250 ft. per roll, made from strong polypropylene woven fabric. Stronger and lighter than #30 felt, it suits virtually all steep-slope roofs, resists water, mold and rot, and allows 180 days of UV exposure during installation. One roll is the sell unit.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger than #30 felt:\u003c\/strong\u003e Synthetic construction is stronger and lighter than #30 felt underlayment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e180-day UV exposure:\u003c\/strong\u003e A UV coating allows 180-day exposure to the sun while the roof is being installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlip-resistant surface:\u003c\/strong\u003e Slip-resistant polymer applied to the bottom surface gives superior walkability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e Polypropylene woven fabric guards against water damage, mold growth and rot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteep-slope versatility:\u003c\/strong\u003e Ideal for use in virtually all steep-slope roof applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved walkability:\u003c\/strong\u003e Non-woven face improves footing for crews during installation.\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\u003eAtlas\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, 48 in. x 250 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAtlas Summit 180 Synthetic Underlayment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 in. x 250 ft. roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene woven fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 in. x 250 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\u003eApprox. 1,000 sq. ft. per roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUV exposure rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e180 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish \/ texture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-woven face, slip-resistant polymer bottom surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnderlayment for steep-slope roofs\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\u003eA 48 in. x 250 ft. roll covers about 1,000 sq. ft. at full width. Factor in the required head and side laps on your roof pitch when estimating rolls per job.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eInstalled beneath shingles and other steep-slope roof coverings as a premium alternative to #30 felt. Shingles, ridge venting and fasteners are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in one roll?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 48 in. x 250 ft. roll of Summit 180 synthetic underlayment.\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 A full 48 in. x 250 ft. roll provides about 1,000 sq. ft. before lap deductions.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How long can it be exposed to sun?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The UV coating allows 180 days of exposure while the roof is being completed.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it safer to walk on than felt?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, a slip-resistant polymer on the bottom surface and a non-woven face provide superior walkability.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How does it compare to #30 felt?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is stronger and lighter than #30 felt underlayment.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Will it grow mold or rot?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The polypropylene woven fabric guards against mold growth, rot and water damage.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eSummit 180 fits steep-slope jobs where the roof may sit partially completed for weeks, since the 180-day UV rating removes the felt exposure clock. The slip-resistant coating is a real productivity and safety benefit on steeper pitches. On low-slope decks, choose a self-adhered membrane instead, as this underlayment is intended for steep-slope use.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSynthetic underlayment can be slippery, especially when wet or dusty; wear slip-resistant footwear and use fall protection.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eBuy Atlas Summit 180 Synthetic Underlayment for stronger, lighter steep-slope roof protection with 180-day UV rating.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Atlas","offers":[{"title":"Default Title","offer_id":67583405392239,"sku":"ATLS18010","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/ProductImage_ATLS18010.jpg?v=1790407086","url":"https:\/\/superarbor.io\/products\/atlas-summit-180-synthetic-roof-underlayment-48-in-x-250-ft-polypropylene-roll","provider":"Super Arbor","version":"1.0","type":"link"}