{"product_id":"certainteed-diamonddeck-synthetic-roofing-underlayment-10-square-roll-cool-gray","title":"CertainTeed DiamondDeck Synthetic Roofing Underlayment, 10 Square Roll, Cool Gray","description":"\u003ch1\u003eCertainTeed DiamondDeck Synthetic Roofing Underlayment, 10 Square Roll, Cool Gray\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eCertainTeed DiamondDeck is a synthetic steep-slope roofing underlayment supplied as a single roll covering 10 squares of roof area. The Cool Gray surfacing provides a clean secondary water-shedding layer beneath shingles, shakes or metal panels. Order by the roll for full underlayment coverage.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 squares per roll:\u003c\/strong\u003e One roll covers 10 squares of roof area, so fewer rolls are needed per job than many traditional felts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthetic construction:\u003c\/strong\u003e DiamondDeck is a synthetic underlayment designed for steep-slope roofing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCool gray surfacing:\u003c\/strong\u003e The roll is surfaced in Cool Gray, a neutral tone that stays low-visibility under finished roofing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteep-slope rated:\u003c\/strong\u003e Manufactured by CertainTeed for use as steep-slope roofing underlayment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll sell unit:\u003c\/strong\u003e Sold as one roll per order unit for straightforward job takeoffs.\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\u003eCertainTeed\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, 10 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\u003eCertainTeed DiamondDeck Synthetic Underlayment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCool Gray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 square 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\u003eSynthetic underlayment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCool Gray\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\u003e10 squares 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoofing Materials \u0026gt; Roof Membranes, Sheets, Roll Roofing \u0026amp; Underlayments \u0026gt; Steep Slope Roofing Underlayment\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\u003eEach roll covers 10 squares (1,000 sq ft) of roof area. Divide total roof square footage by 1,000 to estimate rolls, and allow extra for eaves, rakes and laps depending on your course overlap.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eDiamondDeck installs beneath finished steep-slope roof coverings such as asphalt shingles and is a natural match with CertainTeed shingle lines. Starter strips, hip and ridge products and fasteners are sold separately; consult the manufacturer's installation instructions for deck and fastening requirements.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included with one order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll of CertainTeed DiamondDeck synthetic underlayment in Cool Gray, covering 10 squares.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many rolls do I need?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Divide your roof area in squares by 10; add a roll of margin for laps, valleys and starter courses.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be exposed to weather?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is intended as an underlayment beneath finished roofing; check the manufacturer's instructions for permitted exposure time before the roof covering is installed.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What roofing materials can it be used under?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is designed for steep-slope roofing underlayment use, such as beneath asphalt shingle roofing.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it a wet-felt replacement?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is a synthetic underlayment rather than asphalt-saturated felt; follow CertainTeed's fastening and overlap requirements for the deck type.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eSynthetic underlayment like DiamondDeck is chosen for its high coverage per roll and lighter handling than #30 felt. Plan courses so horizontal laps shed water correctly, and confirm fastener pattern for your deck type. Pair with matching CertainTeed starter and hip-and-ridge products for a complete manufacturer-matched system.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eUnderlayment surfaces can be slippery, especially when wet or frosted; wear fall protection and slip-resistant footwear while installing.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder CertainTeed DiamondDeck Synthetic Underlayment by the roll for your next steep-slope roofing job.\u003c\/strong\u003e\u003c\/p\u003e","brand":"CertainTeed","offers":[{"title":"Default Title","offer_id":67587070001519,"sku":"11CTDD10","price":217.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/Underlayment-Mineral-Surface-SKU_2313717-primary.jpg?v=1790448606","url":"https:\/\/superarbor.io\/products\/certainteed-diamonddeck-synthetic-roofing-underlayment-10-square-roll-cool-gray","provider":"Super Arbor","version":"1.0","type":"link"}