{"product_id":"progressive-foam-pft-profold-original-fanfold-insulation-1-4-in-or-3-8-in-x-4-ft-x-48-ft-s","title":"Progressive Foam PFT ProFold Original Fanfold Insulation 1\/4 in. or 3\/8 in. x 4 ft. x 48 ft., Silver","description":"\u003ch1\u003eProgressive Foam PFT ProFold Original Fanfold Insulation 1\/4 in. or 3\/8 in. x 4 ft. x 48 ft., Silver\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePFT ProFold Original fanfold insulation boards the wall under new siding, leveling the surface for smooth, straight siding installation. Available in 1\/4 in. or 3\/8 in. thickness, each bundle covers 4 ft. x 48 ft. with a silver facing. It adds exterior insulation that helps meet DOE recommendations and includes a built-in termite control agent.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevels the wall:\u003c\/strong\u003e Levels the wall under new siding, providing a consistent, stable base so siding installs smooth and straight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior insulation:\u003c\/strong\u003e Adds insulation over studs, which are typically uninsulated, helping homes meet U.S. Department of Energy insulation recommendations as well as state and local codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermite control:\u003c\/strong\u003e Deters termite infestation with a built-in termite control agent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFanfold format:\u003c\/strong\u003e Fanfold panels fold for fast handling and continuous coverage along the wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional grade:\u003c\/strong\u003e Professional grade insulation suited to any siding project.\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\u003eProgressive Foam\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 bundle, 4 ft. x 48 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\u003eProFold Original\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e['1\/4 in. x 4 ft. x 48 ft.', '3\/8 in. x 4 ft. x 48 ft.']\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver\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 48 ft. per bundle in 1\/4 in. or 3\/8 in. thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExpanded polystyrene fanfold insulation (professional grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish \/ texture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver facing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage per unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 ft. x 48 ft. (192 sq. ft.) per bundle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExterior wall insulation under new siding\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\u003eEach bundle covers a 4 ft. x 48 ft. area, or about 192 sq. ft. of wall. Estimate wall square footage and divide by 192, adding a small allowance for cuts around openings.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eInstalled under new siding such as vinyl, aluminum or other cladding to level the wall before application. Siding, house wrap and fasteners are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in one order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One bundle of ProFold Original fanfold insulation in your choice of 1\/4 in. or 3\/8 in. thickness, 4 ft. x 48 ft., silver.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much wall does one bundle cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each bundle covers 4 ft. x 48 ft., approximately 192 sq. ft., so divide your wall area by 192 to estimate bundles.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Why add fanfold insulation under siding?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Studs make up nearly 25% of a wall and are typically uninsulated; adding this exterior insulation helps meet DOE recommendations and state and local codes while leveling the wall.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it help with termites?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it includes a built-in termite control agent that deters termite infestation.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does thickness matter when choosing 1\/4 in. vs 3\/8 in.?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The thicker 3\/8 in. option provides more insulation and more leveling; choose based on wall irregularity and code or R-value targets.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Unfold the panels over the wall sheathing, fasten per manufacturer instructions, and install siding over the leveled surface.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eFanfold insulation is the fastest way to flatten a wavy wall before residing, and it adds R-value over the whole sheathing rather than just between studs. Pick the 1\/4 in. sheet for relatively flat walls and the 3\/8 in. when you need more leveling. Always overlap seams toward the weather and fasten so panels lie flat before the siding goes on. Pair with proper house wrap beneath for a complete weather barrier.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eVerify local code requirements for exterior insulation and vapor management before installing, and cut panels with a sharp blade away from your body.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Progressive Foam ProFold Original fanfold insulation for a level, insulated wall under your new siding.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Progressive Foam","offers":[{"title":"1\/4\" x 4' x 48'","offer_id":67583396086127,"sku":"PROPF00E001","price":53.0,"currency_code":"USD","in_stock":true},{"title":"3\/8\" x 4' x 48'","offer_id":67583396118895,"sku":"PROPF00E003","price":44.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/PROPF00E001_0.jpg?v=1790407058","url":"https:\/\/superarbor.io\/products\/progressive-foam-pft-profold-original-fanfold-insulation-1-4-in-or-3-8-in-x-4-ft-x-48-ft-s","provider":"Super Arbor","version":"1.0","type":"link"}