{"product_id":"2-in-x-4-ft-x-8-ft-flat-polyiso-insulation-board-iso2","title":"2 in. x 4 ft. x 8 ft. Flat Polyiso Insulation Board","description":"\u003cp\u003eFlat polyisocyanurate board is a rigid foam insulation panel with facers bonded to both sides of a closed-cell foam core. It is the standard insulating layer in low-slope commercial roof assemblies and is also used as continuous insulation on walls where a high thermal resistance per inch of thickness is wanted.\u003c\/p\u003e\n\u003cp\u003e\"Flat\" distinguishes this board from tapered polyiso, which is manufactured with a built-in slope to create drainage on a dead-level deck. Flat stock is used for the base layers, for fill, and anywhere a uniform thickness is required across the assembly. Boards can be mechanically fastened with plates and screws or set in adhesive, and multiple layers may be stacked with staggered joints to reduce thermal bridging at the seams.\u003c\/p\u003e\n\u003cp\u003ePolyiso cuts cleanly with a utility knife or a fine-tooth saw, so field-fitting around curbs, drains and penetrations is straightforward. Panels should be kept dry and covered before the membrane or cladding goes on.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRigid closed-cell polyisocyanurate foam core with facers bonded to both faces\u003c\/li\u003e\n\u003cli\u003eFlat, non-tapered profile for uniform thickness across the assembly\u003c\/li\u003e\n\u003cli\u003eHigh thermal resistance per inch compared with most other rigid board insulations\u003c\/li\u003e\n\u003cli\u003eLightweight panels that a single worker can handle and carry on a roof\u003c\/li\u003e\n\u003cli\u003eCuts with a utility knife or fine-tooth saw for fitting around penetrations\u003c\/li\u003e\n\u003cli\u003eCompatible with mechanically fastened or adhered attachment methods\u003c\/li\u003e\n\u003cli\u003eCan be installed in multiple layers with staggered joints\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBase and fill layers in low-slope commercial roof assemblies\u003c\/li\u003e\n\u003cli\u003eInsulation under single-ply, modified bitumen and built-up membranes\u003c\/li\u003e\n\u003cli\u003eContinuous exterior insulation on wall assemblies behind cladding\u003c\/li\u003e\n\u003cli\u003eRe-cover board over an existing roof during retrofit work\u003c\/li\u003e\n\u003cli\u003eFilling and leveling beneath tapered polyiso drainage packages\u003c\/li\u003e\n\u003cli\u003eInsulating flat decks, canopies and mechanical platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Rigid foam board insulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyisocyanurate (polyiso) foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Flat (non-tapered)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 2 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel Size:\u003c\/strong\u003e 4 ft. x 8 ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold As:\u003c\/strong\u003e Each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"product-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e2\" x 4' x 8'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eFlat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"ARCH Building Supply","offers":[{"title":"Default Title","offer_id":55048725332307,"sku":"ISO2","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/7743\/4195\/files\/2-in-x-4-ft-x-8-ft-flat-polyiso-insulation-board-iso2.webp?v=1790259805","url":"https:\/\/arch-9365.myshopify.com\/zh\/products\/2-in-x-4-ft-x-8-ft-flat-polyiso-insulation-board-iso2","provider":"ARCH","version":"1.0","type":"link"}