{"product_id":"rockwool-hd-monoboard-plus-1-in-x-4-ft-x-4-ft-stone-wool-roof-insulation-board","title":"Rockwool HD Monoboard Plus 1 in. x 4 ft. x 4 ft. Stone Wool Roof Insulation Board","description":"\u003ch1\u003eRockwool HD Monoboard Plus 1 in. x 4 ft. x 4 ft. Stone Wool Roof Insulation Board\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis page sells the Rockwool HD Monoboard Plus, a high-density stone wool roof insulation board supplied as one 1 in. thick, 4 ft. x 4 ft. panel. It is used in commercial low-slope roof assemblies where dimensionally stable, fire-resilient stone wool insulation is specified. Pair it with compatible cover boards and membrane layers per the roof design.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-density stone wool:\u003c\/strong\u003e HD Monoboard Plus is a high-density monolithic stone wool board engineered for demanding commercial roof applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensionally stable:\u003c\/strong\u003e Rigid stone wool board holds its dimensions and edges under roofing loads and foot traffic during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire-resilient material:\u003c\/strong\u003e Stone wool is non-combustible by nature, a key reason it is specified in commercial roof assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 4 ft. x 4 ft. panel:\u003c\/strong\u003e Each board measures 4 ft. x 4 ft. for efficient coverage and clean layout on large roof decks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 in. thickness:\u003c\/strong\u003e The 1 in. panel thickness suits single-layer builds or layered multi-board roof insulation assemblies.\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\u003eRockwool\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 board, 1 in. x 4 ft. x 4 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\u003eRockwool HD Monoboard Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStone wool (rock wool) insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 in. x 4 ft. x 4 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 ft. x 4 ft. board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 board per piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommercial low-slope roof insulation\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 4 ft. x 4 ft. board covers 16 sq ft at the stated 1 in. thickness. Divide the total roof area by 16 to estimate board count, allowing for cuts and perimeter fitting.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eDesigned for commercial low-slope roof assemblies and compatible with standard multi-layer stone wool roof insulation builds. Membranes, adhesives, fasteners and cover boards are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What size is each board?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each panel is 1 in. thick and measures 4 ft. x 4 ft.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much area does one board cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 4 ft. x 4 ft. board covers 16 square feet before cut waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the board made of?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is made of high-density stone wool, a non-combustible mineral wool insulation.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is installed in commercial roof assemblies using the attachment method (adhesive or mechanical fasteners) specified by the roof system design; fasteners and adhesives are sold separately.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be layered for higher R-value?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, stone wool roof boards are commonly installed in multiple layers per the project specification.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eHigh-density monoboards are typically specified where the assembly needs a dense, stable layer, such as under fully adhered membranes or in layered stone wool systems. Keep boards tight-fitting with staggered joints between layers to minimize thermal bridging. Always follow the membrane manufacturer's attachment requirements for the specified thickness and board type.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHandle stone wool with gloves, long sleeves and eye protection; fibers can irritate skin, and cut edges are sharp.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Rockwool HD Monoboard Plus 1 in. x 4 ft. x 4 ft. boards for your commercial roof insulation assembly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":53524651835759,"sku":"ROC208002","price":24.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/23bc7ed5-757c-4a90-ab84-95866ba33a75.png?v=1790284848","url":"https:\/\/superarbor.io\/products\/rockwool-hd-monoboard-plus-1-in-x-4-ft-x-4-ft-stone-wool-roof-insulation-board","provider":"Super Arbor","version":"1.0","type":"link"}