{"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","url":"https:\/\/superoak.com\/products\/ultradual-sl1-underlayment-3mm-foil-moisture-barrier","provider":"SUPEROAK","version":"1.0","type":"link"}