{"product_id":"authentic-aluminium-insulation-foil-30m-roll","title":"Authentic Aluminium Insulation Foil | 30m² Roll","description":"\u003ch2\u003eAuthentic Finnish sauna foil vapour barrier\u003c\/h2\u003e\n\u003cp\u003eA specialised aluminium-coated kraft paper that blocks water vapour, made in Finland for use as an internal vapour barrier in saunas and other high-moisture rooms. It stops moisture reaching your wall structure and insulation, protecting the durability and efficiency of your build. One roll covers 30 m².\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImpermeable to water vapour, protecting structure and insulation\u003c\/li\u003e\n\u003cli\u003eMade from premium virgin cartonboard with aluminium and polyethylene coating\u003c\/li\u003e\n\u003cli\u003eInstall with the aluminium side facing the sauna interior\u003c\/li\u003e\n\u003cli\u003eOverlap sheets and seal seams with foil tape for full protection\u003c\/li\u003e\n\u003cli\u003eSuits other high-moisture spaces that need a vapour barrier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 125 cm\u003c\/li\u003e\n\u003cli\u003eCoverage: 30 m² per roll\u003c\/li\u003e\n\u003cli\u003eNet weight: 3.75 kg\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminium-coated kraft paper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstall over insulation between the studs, on clean surfaces\u003c\/li\u003e\n\u003cli\u003eLeave at least 50 mm of overlap on all edges and staple every 200 to 300 mm\u003c\/li\u003e\n\u003cli\u003eKeep the foil slightly loose to allow for heat expansion\u003c\/li\u003e\n\u003cli\u003eSeal every seam with foil tape and patch any gaps\u003c\/li\u003e\n\u003cli\u003eLeave a 20 mm air gap between the foil and the timber cladding using battens\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tasman Saunas","offers":[{"title":"Default Title","offer_id":56130061533257,"sku":"FOIL-REF","price":199.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/0998\/2025\/files\/eltete-rakmat-alu-pap-01.jpg-1.webp?v=1789947364","url":"https:\/\/www.tasmansaunas.com\/products\/authentic-aluminium-insulation-foil-30m-roll","provider":"Tasman Saunas","version":"1.0","type":"link"}