{"product_id":"johns-manville-glasbase-plus-base-or-ply-sheet-36-in-x-106-ft-roll","title":"Johns Manville GlasBase Plus Base or Ply Sheet, 36 in. x 106 ft. Roll","description":"\u003ch1\u003eJohns Manville GlasBase Plus Base or Ply Sheet, 36 in. x 106 ft. Roll\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eJM GlasBase Plus is a flexible SBS-modified base sheet with fiber glass reinforcement, intended as a base sheet in built-up roofing or as a base or intermediate ply in modified bitumen systems. This listing is one 36 in. x 106 ft. roll. It meets ASTM D 4601, Type II, and pairs with cold-process mastics such as JM BUR Adhesive.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSBS asphalt blend:\u003c\/strong\u003e The SBS synthetic rubber and high-quality asphalt blend adds elasticity and flexibility, laying flat to virtually eliminate wrinkles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber glass reinforcement:\u003c\/strong\u003e Fiber glass mat provides low moisture absorption, dimensional stability, and rot resistance as a replacement for organic base sheets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully-coated mat:\u003c\/strong\u003e No pinholes prevent asphalt bleed-through and eliminate splitting from excessive attachment to nailable decks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNail retention:\u003c\/strong\u003e Excellent nail retention and resistance to uplift forces for secure base sheet attachment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold-process compatible:\u003c\/strong\u003e Non-porous composition allows use as a ply sheet with cold process mastics such as JM BUR Adhesive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASTM compliant:\u003c\/strong\u003e Meets the requirements of ASTM D 4601, Type II.\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, 36 in. x 106 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 GlasBase Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36 in. x 106 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\u003eSBS-modified asphalt with fiber glass reinforcement mat\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 106 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. 318 sq. ft. per roll before laps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurfacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFine mineral parting agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMeets ASTM D 4601, Type II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication methods\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNailable deck attachment, cold process mastics such as JM BUR Adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase sheet in BUR or base\/intermediate ply in modified bitumen 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 36 in. x 106 ft. roll provides about 318 sq. ft. before side and end laps. Size the job from net roof area plus your specified lap allowances, and set base sheet attachment spacing per system requirements.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eFor use as a base sheet in JM built-up roofing or as a base or intermediate ply in modified bitumen systems, including cold-process mastic systems such as JM BUR Adhesive. Cap sheets, adhesives, and flashing products are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll of JM GlasBase Plus, 36 in. x 106 ft.\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 About 318 sq. ft. before laps; deduct your lap allowance for net coverage.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Where is it used?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e As a base sheet in built-up roofing or as a base or intermediate ply in modified bitumen systems.\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 meets the requirements of ASTM D 4601, Type II.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used with cold adhesives?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, its non-porous composition allows use as a ply sheet with cold process mastics such as JM BUR Adhesive.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How does it perform on nailable decks?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The fully-coated mat prevents asphalt bleed-through and provides excellent nail retention and uplift resistance.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eGlasBase Plus is a solid pick over organic base sheets on nailable decks because its fully-coated fiber glass mat holds nails well and resists bleed-through and splitting. Let the SBS-blend sheet relax after unrolling to take advantage of its wrinkle-free lay, and keep laps shingled correctly with the deck slope.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eUse caution when cutting rolls and wear gloves; follow hot-work safety procedures if installing with heat.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the JM GlasBase Plus 36 in. x 106 ft. base sheet roll for your BUR or modified bitumen system.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Johns Manville","offers":[{"title":"Default Title","offer_id":53524443431279,"sku":"JMGBP","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/JMGBP_0.jpg?v=1790284162","url":"https:\/\/superarbor.io\/products\/johns-manville-glasbase-plus-base-or-ply-sheet-36-in-x-106-ft-roll","provider":"Super Arbor","version":"1.0","type":"link"}