{"product_id":"rockwool®-cavityrock®-black-mineral-wool-insulation-board-4-in-x-16-in-x-48-in-64-sq-ft","title":"ROCKWOOL® Cavityrock® Black Mineral Wool Insulation Board 4 in x 16 in x 48 in (64 sq ft)","description":"\n    \u003ch1\u003eCavityrock Black mineral wool insulation board\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eROCKWOOL® Cavityrock® Black is a semi-rigid stone wool insulation board designed for exterior cavity wall and rainscreen applications. Its non-combustible, moisture-resistant construction delivers reliable thermal performance while the black facer helps mask behind open-joint cladding for a cleaner finished look.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFire-Resilient Stone Wool:\u003c\/strong\u003e Non-combustible insulation designed to help limit flame spread in exterior wall assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Performance:\u003c\/strong\u003e Provides R-17.2 insulation value for energy-efficient wall and rainscreen builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Facer for Open-Joint Cladding:\u003c\/strong\u003e Black mat facer helps visually mask the insulation layer behind open joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Density Rigidity:\u003c\/strong\u003e Higher-density outer layer improves rigidity for fastening while conforming to the wall surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture \u0026amp; Biological Resistance:\u003c\/strong\u003e Moisture resistant and resists fungi for long-term performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003e\u003cstrong\u003ePlease check the Product Data Sheet \u003ca href=\"https:\/\/superarbor.io\/cdn\/shop\/files\/ROCKWOOL_288924_Specification_Sheet_574f0e22-4eee-4ba9-ba39-448c2888b3fb.pdf?v=1766980698\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003eHere\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\n    \u003ctable\u003e\n        \u003cthead\u003e\n            \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\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMineral Wool Roxul Cavity Rock BLK 4\"X16\"X48\" 64SF\u003c\/td\u003e\n\u003c\/tr\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\u003eManufacturer part number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRXCVR416B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRigid Board Insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural Stone Wool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 sq-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eR-value\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR-17.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnfaced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResists\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFungi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDensity (outer layer)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.2 lb\/cu-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDensity (inner layer)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.8 lb\/cu-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003chr\u003e\n    \u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What is this insulation used for?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It’s designed for exterior cavity wall and rainscreen applications and is compatible with many cladding attachment systems.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Is it faced or unfaced?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e This product is listed as unfaced, and it is also described as having a black facer\/mat finish intended for open-joint cladding aesthetics.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What R-value does it provide?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e R-17.2.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What are the board dimensions and coverage?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Each board is 4 in thick x 16 in wide x 48 in long, with 64 sq ft coverage listed for the item.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Does it resist moisture or biological growth?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It is described as moisture resistant and listed as resisting fungi.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eA shadow-perfect insulation layer for open-joint façades\u003c\/h2\u003e\n    \u003cp\u003eCavityrock® Black brings quiet confidence to the wall assembly—performance-forward stone wool wrapped in a deep, light-absorbing facer that disappears behind open-joint cladding. The effect is crisp and architectural: clean reveals, fewer visual distractions, and a façade that reads intentionally finished. Pair it with modern rainscreen systems and precise panel spacing to emphasize rhythm and shadow play. It’s the kind of invisible upgrade that makes a space feel unmistakably more refined and resilient.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your exterior wall system with ROCKWOOL® Cavityrock® Black for fire-resilient, R-17.2 performance and a cleaner open-joint cladding look.\u003c\/strong\u003e\u003c\/p\u003e\n    \n    \u003cp\u003e\u003ca href=\"https:\/\/superarbor.io\/cdn\/shop\/files\/ROCKWOOL_168838_Instruction_Installation_Manual_4c24e1c0-5b8e-4fb1-af8d-86a70b7aed4a.pdf?v=1766980695\" target=\"_blank\"\u003eInstallation\u003c\/a\u003e\u003c\/p\u003e\n    ","brand":"ROCKWOOL®","offers":[{"title":"Default Title","offer_id":52533918302575,"sku":"RXCVR416B","price":419.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/RW_RXCVR416B_Main.png?v=1766980702","url":"https:\/\/superarbor.io\/products\/rockwool%c2%ae-cavityrock%c2%ae-black-mineral-wool-insulation-board-4-in-x-16-in-x-48-in-64-sq-ft","provider":"Super Arbor","version":"1.0","type":"link"}