{"product_id":"1631312-owens-corningr-foamularr-400-40-psi-r-10-extruded-polystyrene-foam-board-insulation-2-x-4-x-8-square-edge","title":"Owens Corning FOAMULAR 400 R-10 XPS Foam Board Insulation, 2 in x 4 ft x 8 ft, Square Edge (40 psi)","description":"\u003ch1\u003eFOAMULAR 400 R-10 XPS Foam Board, 2\" x 4' x 8'\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eHigh-performance extruded polystyrene (XPS) insulation board with 40 psi compressive strength for heavy-load applications. Offers R-10 thermal resistance at 2-inch thickness and square edges for flush installs.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigh Compressive Strength:\u003c\/strong\u003e 40 psi for under-slab, foundation, and commercial roof applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficient:\u003c\/strong\u003e R-10 thermal resistance at 2-inch thickness helps reduce heat loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture Resistant:\u003c\/strong\u003e XPS core retains R-value even in wet conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to Work With:\u003c\/strong\u003e Lightweight panels score, snap, and cut cleanly without special tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustainable NGX Formulation:\u003c\/strong\u003e Blowing agent designed to significantly reduce global warming potential\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\/1496f402-cec5-4db4-9050-a61266c5cc8f.pdf?v=1763102210\" 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\u003eInsulation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXPS Rigid Foam Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompressive Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 psi (FOAMULAR 400)\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-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 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\u003e8 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage Area\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\u003eCompatible Install Surface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConcrete, Plywood, Wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFaced or Unfaced\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnfaced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExterior sheathing, exterior wall foundation, under slab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterior\/Exterior\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExterior (must be covered if used indoors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Pieces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLimited Lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFormaldehyde-free; Moisture retardant; Mold resistant; Water resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEdge Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare Edge\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 (XPS)\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: Can this board be used below grade or under slabs?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—commonly used for exterior foundation walls and under-slab applications due to its 40 psi compressive strength and moisture resistance.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Does it need to be covered indoors?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—XPS foam cannot be left exposed and must be covered by a 15-minute thermal barrier such as drywall when used indoors.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What surfaces is it compatible with?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Concrete, wood, and plywood.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Is the board faced or unfaced?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Unfaced.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What are the panel dimensions and coverage?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Each board is 2 in thick, 48 in wide, and 8 ft long, covering 32 sq ft.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eSculpted Strength, Modern Warmth\u003c\/h2\u003e\n    \u003cp\u003eThis XPS board brings precision and pink-hued confidence to high-performance builds. Its crisp square edge and slim 2-inch profile glide into tight assemblies, delivering steadfast insulation without bulk. Use it to create a clean, continuous thermal layer behind cladding or beneath polished concrete for a seamless envelope. It’s a quiet essential—powerfully functional and undeniably refined.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your envelope with FOAMULAR 400 and lock in durable, R-10 energy savings for your next project.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003e\u003ca href=\"https:\/\/superarbor.io\/cdn\/shop\/files\/35f94138-d9d8-4c84-8897-69afe977fee1.pdf?v=1763102204\" target=\"_blank\"\u003eWarranty\u003c\/a\u003e\u003c\/p\u003e\n    \u003cp\u003e\u003ca href=\"https:\/\/superarbor.io\/cdn\/shop\/files\/b3751e9e-d59b-44e0-9cfc-ac0cc46a1035_74056207-5ec4-433e-99d6-6c7f1e4a78ed.pdf?v=1763102207\" target=\"_blank\"\u003eInstallation\u003c\/a\u003e\u003c\/p\u003e","brand":"Owens Corning","offers":[{"title":"Default Title","offer_id":48991787155670,"sku":"20XNGX","price":68.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/owens-corning-foam-board-insulation-20xngx-64_1000.jpg?v=1783638047","url":"https:\/\/waybilt.com\/products\/1631312-owens-corningr-foamularr-400-40-psi-r-10-extruded-polystyrene-foam-board-insulation-2-x-4-x-8-square-edge","provider":"Buildsupply","version":"1.0","type":"link"}