{"product_id":"owens-corning-foamular-ngx-250-xps-rigid-foam-insulation-board-4-in-x-48-in-x-96-in-square-edge-r-20-32-sq-ft","title":"Owens Corning FOAMULAR NGX 250 XPS Rigid Foam Insulation Board 4 in. x 48 in. x 96 in. Square Edge (R-20, 32 sq ft)","description":"\u003ch1\u003eFOAMULAR NGX 250 R-20 XPS Rigid Foam Board (4 in. x 48 in. x 96 in.)\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eOwens Corning FOAMULAR NGX 250 is a closed-cell XPS rigid foam insulation board designed for strong, moisture-resistant thermal performance. The 4 in. square-edge panel delivers R-20 insulation for a wide range of residential and commercial applications, including foundation walls, exterior sheathing, and under-slab use.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMoisture-Resistant XPS Foam:\u003c\/strong\u003e Closed-cell extruded polystyrene helps resist water absorption for reliable performance in demanding areas like foundations and slabs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Insulating Value:\u003c\/strong\u003e R-20 performance in a 4-inch board helps improve comfort and energy efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong \u0026amp; Durable:\u003c\/strong\u003e FOAMULAR NGX 250 is designed for jobsite toughness and 25 psi compressive strength applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to Cut \u0026amp; Fit:\u003c\/strong\u003e Lightweight rigid board cuts and shapes easily for a precise fit around edges and penetrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNext-Gen Sustainability:\u003c\/strong\u003e NGX formulation is designed to reduce Global Warming Potential (GWP) versus prior-generation foam.\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\/1003578_data_sheet_7e7b6f02-d13a-41a0-9d54-8db394f00fe6.pdf?v=1766980694\" 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\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOwens Corning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFOAMULAR NGX 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExtruded Polystyrene (XPS) rigid foam board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard edge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare edge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 in x 96 in x 4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96 in\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\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 sq ft (per board)\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-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompressive strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExtruded Polystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKey attributes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell; moisture resistant; easy to cut\/shape\/handle; durable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended uses\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWalls, foundations, attics, basements; exterior\/interior foundation walls; exterior sheathing; cavity walls; commercial applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSustainability claim\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNGX formulation designed to reduce Global Warming Potential (GWP) by 80%\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 the coverage per board?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e One 48 in. x 96 in. board covers 32 sq ft.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What applications is this board commonly used for?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It’s commonly used for exterior and interior foundation walls, exterior sheathing, cavity walls, and other residential\/commercial insulation applications (including below-grade uses when installed per local code).\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What R-value and thickness is this product?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e R-20 at 4 inches thick.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Is this insulation moisture resistant?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—FOAMULAR NGX is a closed-cell XPS board designed for superior moisture resistance.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Can I cut it with common tools?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—it's designed to be easy to cut, shape, and handle for fitting and installation.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eA Clean, Quiet Layer of Comfort—Hidden, but Transformative\u003c\/h2\u003e\n    \u003cp\u003eGreat design begins with what you don’t see: a calm, consistent envelope that makes a space feel effortless. FOAMULAR NGX 250 brings a sleek, architectural confidence to the build—rigid, precise, and moisture-resistant for those foundation and wall moments that demand performance. Use it to refine the thermal layer behind minimalist finishes so the room reads serene, not drafty. It’s the kind of behind-the-scenes essential that elevates everyday living into something quietly luxurious.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your building envelope with FOAMULAR NGX 250 for durable, moisture-resistant R-20 performance where it matters most.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003e\u003ca href=\"https:\/\/superarbor.io\/cdn\/shop\/files\/1003578_warranty_6f4cb08d-50bd-454f-816a-4c9cfd467a3c.pdf?v=1766980689\" target=\"_blank\"\u003eWarranty\u003c\/a\u003e\u003c\/p\u003e\n    \u003cp\u003e\u003ca href=\"https:\/\/superarbor.io\/cdn\/shop\/files\/1003578_installation_guide_52ecf50c-a383-422a-ad30-88b8a732a542.pdf?v=1766980692\" target=\"_blank\"\u003eInstallation\u003c\/a\u003e\u003c\/p\u003e","brand":"Owens Corning","offers":[{"title":"Default Title","offer_id":49006746501334,"sku":"IBFNGX40250-SE","price":103.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/b8901299-6441-4319-b4bc-fafb35c026c8.webp?v=1783712409","url":"https:\/\/buildsupplyus.myshopify.com\/products\/owens-corning-foamular-ngx-250-xps-rigid-foam-insulation-board-4-in-x-48-in-x-96-in-square-edge-r-20-32-sq-ft","provider":"Buildsupply","version":"1.0","type":"link"}