{"product_id":"johns-manville-epdm-hp-stone-mat-15-ft-x-300-ft-roll-uv-resistant-polypropylene","title":"Johns Manville EPDM HP Stone Mat, 15 ft. x 300 ft. Roll, UV-Resistant Polypropylene","description":"\u003ch1\u003eJohns Manville EPDM HP Stone Mat, 15 ft. x 300 ft. Roll, UV-Resistant Polypropylene\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eJM EPDM HP Stone Mat is a nominal 7.0 oz\/yd2 UV-resistant, needle-punched polypropylene fabric used as a protective layer between pavers or ballast and the EPDM membrane, and as a separating sheet in some recover systems. One roll measures 15 ft. x 300 ft. Compatible with mechanically fastened, fully adhered, and ballasted EPDM systems.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMembrane protection:\u003c\/strong\u003e Acts as a slipsheet between the EPDM membrane and ballast or pavers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty fabric:\u003c\/strong\u003e Nominal 7.0 oz\/yd2 (237.34 g\/m2) needle-punched polypropylene construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV resistant:\u003c\/strong\u003e UV-resistant fabric suited to exposed installation stages before ballast is placed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecover compatible:\u003c\/strong\u003e Can serve as a separating sheet in some recover systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll EPDM assemblies:\u003c\/strong\u003e Compatible with Single Ply EPDM Mechanically Fastened, Fully Adhered, and Ballasted systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide roll:\u003c\/strong\u003e 15 ft. x 300 ft. roll covers large areas with fewer laps.\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\u003eJohns Manville\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, 15 ft. x 300 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\u003eJM EPDM systems accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 ft. x 300 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 ft. wide x 300 ft. long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNeedle-punched polypropylene fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal 7.0 oz\/yd2 (237.34 g\/m2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish \/ texture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNeedle-punched nonwoven geotextile\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\u003e4,500 sq. ft. 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\u003eProtective layer between pavers or ballast and EPDM membrane; separating sheet in some recover systems\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 15 ft. x 300 ft. roll covers 4,500 sq. ft. as a slipsheet under ballast or pavers. Roll out with slight overlap at seams so the membrane stays fully protected across the covered area.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eDesigned for use with Johns Manville Single Ply EPDM Mechanically Fastened, Fully Adhered, and Ballasted systems, and as a separating sheet in some recover systems. Ballast, pavers, and membrane are ordered separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What does one roll cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 15 ft. x 300 ft. roll covers 4,500 sq. ft. of membrane as a protective slipsheet.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the fabric weight?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is a nominal 7.0 oz\/yd2 (237.34 g\/m2) needle-punched polypropylene.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Where is it used on the roof?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Between pavers or ballast stone and the EPDM membrane, or as a separating sheet in some recover systems.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it work with all EPDM installations?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The manufacturer lists compatibility with mechanically fastened, fully adhered, and ballasted EPDM systems.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it sun-resistant during install?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is UV-resistant, but ballast or pavers should be placed per the project schedule.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eAlways roll the stone mat over the membrane before placing ballast or pavers on a JM EPDM roof; the 7.0 oz\/yd2 weight is what stands up to stone handling traffic. Plan rolls so laps run with the drainage direction and keep the fabric flat and wrinkle-free. For recover projects, confirm with the JM specification that the mat is approved as the separating layer for your assembly.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eRolls are large and awkward; use two people or mechanical handling to unroll, and keep walkways clear of loose fabric on the roof.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the JM EPDM HP Stone Mat 15 ft. x 300 ft. roll to protect your EPDM membrane under ballast or pavers.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Johns Manville","offers":[{"title":"Default Title","offer_id":53522883150191,"sku":"JMESM","price":2244.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/JMESM_0.jpg?v=1790232457","url":"https:\/\/superarbor.io\/products\/johns-manville-epdm-hp-stone-mat-15-ft-x-300-ft-roll-uv-resistant-polypropylene","provider":"Super Arbor","version":"1.0","type":"link"}