{"title":"SuperOak Underlayment","description":"\u003cp\u003e\u003cstrong\u003eSUPEROAK UNDERLAYMENT\u003c\/strong\u003e — the foam layer between your subfloor and your planks. Three options: SL1 for moisture protection, SL3 for everyday installs, GT1 for radiant heat.\u003c\/p\u003e","products":[{"product_id":"ultradual-sl1-underlayment-3mm-foil-moisture-barrier","title":"UltraDual SL1 Underlayment — 3mm Foil Moisture Barrier","description":"\u003cp\u003eThe premium underlayment for SuperOak floors: a 3mm high-density foam core with an embossed aluminium moisture barrier on both faces.\u003c\/p\u003e\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 3 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll size\u003c\/strong\u003e: 43.31″ × 29.86 ft — 108 sq ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore\u003c\/strong\u003e: black high-density foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface\u003c\/strong\u003e: embossed silver aluminium coating, moisture barrier on both sides\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge\u003c\/strong\u003e: self-sealing lip and tape edge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 6.61 lb per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for\u003c\/strong\u003e: concrete and wood subfloors where moisture protection and sound damping both matter\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with every SuperOak collection — \u003ca href=\"\/collections\/superoak-lite-hybrid-wood-plank-47-78-7-7-9-5mm\"\u003eLite\u003c\/a\u003e, \u003ca href=\"\/collections\/superoak-hybrid-wood-plank-47-78-7-7-12mm\"\u003eSelect\u003c\/a\u003e, \u003ca href=\"\/collections\/superoak-plus-hybrid-wood-plank-72-7-9-8-12mm\"\u003ePlus\u003c\/a\u003e and \u003ca href=\"\/collections\/superoak-elite-hybrid-wood-plank-9-60-10mm\"\u003eElite\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/a7fjppphoigkl9xo.public.blob.vercel-storage.com\/underlayment-bundle\/3689e2e063dba5bea6e9205079af898e9afb82ba5fa900727ddbe5740003c623\/ULTRADUAL-SL1-superoak-Installation-Instruction.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload the installation instruction (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"SUPEROAK","offers":[{"title":"Default Title","offer_id":46937018532013,"sku":"ULTRADUAL-SL1","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/7237\/1629\/files\/d30c35b5947e603fd1055ee32e6828be.png?v=1785297969"},{"product_id":"ultradual-sl3-underlayment-2mm-epe-foam","title":"UltraDual SL3 Underlayment — 2mm EPE Foam","description":"\u003cp\u003eThe everyday underlayment: 2mm closed-cell EPE foam that evens out minor subfloor variation and takes the edge off footfall noise.\u003c\/p\u003e\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll size\u003c\/strong\u003e: 3.83 ft × 26.11 ft (45.9″ wide) — 100 sq ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: white closed-cell EPE polyethylene foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilm\u003c\/strong\u003e: none — foam only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for\u003c\/strong\u003e: wood subfloors and budget-conscious installations over a separate vapour barrier\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with every SuperOak collection — \u003ca href=\"\/collections\/superoak-lite-hybrid-wood-plank-47-78-7-7-9-5mm\"\u003eLite\u003c\/a\u003e, \u003ca href=\"\/collections\/superoak-hybrid-wood-plank-47-78-7-7-12mm\"\u003eSelect\u003c\/a\u003e, \u003ca href=\"\/collections\/superoak-plus-hybrid-wood-plank-72-7-9-8-12mm\"\u003ePlus\u003c\/a\u003e and \u003ca href=\"\/collections\/superoak-elite-hybrid-wood-plank-9-60-10mm\"\u003eElite\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/a7fjppphoigkl9xo.public.blob.vercel-storage.com\/underlayment-bundle\/9c416de2f6e84e4e4d987d2efb7e802231b7a8c1156e1935435b31923c5cdc27\/ULTRADUAL-SL3-superoak-Installation-Instruction.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload the installation instruction (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"SUPEROAK","offers":[{"title":"Default Title","offer_id":46937018564781,"sku":"ULTRADUAL-SL3","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/7237\/1629\/files\/09ab98ef518faa19279ffe9ee7635c4e.png?v=1785298083"},{"product_id":"ultraflow-gt1-underlayment-2mm-perforated-ixpe-for-radiant-heat","title":"UltraFlow GT1 Underlayment — 2mm Perforated IXPE for Radiant Heat","description":"\u003cp\u003eBuilt for underfloor heating: 2mm perforated IXPE that lets radiant heat pass through while keeping a vapour barrier under the plank.\u003c\/p\u003e\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll size\u003c\/strong\u003e: 43.31″ × 29.86 ft — 108 sq ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: white closed-cell IXPE foam, perforated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVapour barrier\u003c\/strong\u003e: built in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for\u003c\/strong\u003e: radiant \/ underfloor heating systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with every SuperOak collection — \u003ca href=\"\/collections\/superoak-lite-hybrid-wood-plank-47-78-7-7-9-5mm\"\u003eLite\u003c\/a\u003e, \u003ca href=\"\/collections\/superoak-hybrid-wood-plank-47-78-7-7-12mm\"\u003eSelect\u003c\/a\u003e, \u003ca href=\"\/collections\/superoak-plus-hybrid-wood-plank-72-7-9-8-12mm\"\u003ePlus\u003c\/a\u003e and \u003ca href=\"\/collections\/superoak-elite-hybrid-wood-plank-9-60-10mm\"\u003eElite\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/a7fjppphoigkl9xo.public.blob.vercel-storage.com\/underlayment-bundle\/397c9e4dc16df5ffdbbfd3b5900c0a715f0d7b0bd9cd74ccc627265690c5dba9\/ULTRAFLOW-GT1-superoak-Installation-Instruction.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload the installation instruction (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"SUPEROAK","offers":[{"title":"Default Title","offer_id":46937018761389,"sku":"ULTRAFLOW-GT1","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/7237\/1629\/files\/8432ccad2da5de0075cd01697150562c.png?v=1785298113"}],"url":"https:\/\/superoak.com\/collections\/superoak-underlayment.oembed","provider":"SUPEROAK","version":"1.0","type":"link"}