{"product_id":"earthwool-r4-0-hd-140mm-acoustic-insulation-batts-430mm-wide","title":"Earthwool R4.0 HD (140mm) Acoustic Insulation Batts – 430mm Wide","description":"\u003cp data-start=\"248\" data-end=\"328\"\u003e\u003cstrong data-start=\"248\" data-end=\"328\"\u003eHigh-Density R4.0 Thermal \u0026amp; Acoustic Ceiling Insulation – 430mm Stud Spacing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"330\" data-end=\"522\"\u003eUpgrade your home’s comfort with \u003cstrong data-start=\"363\" data-end=\"415\"\u003eEarthwool R4.0 HD 430mm ceiling insulation batts\u003c\/strong\u003e — engineered for superior thermal performance, noise reduction, and energy efficiency in Australian homes.\u003c\/p\u003e\n\u003cp data-start=\"524\" data-end=\"708\"\u003eDesigned specifically for \u003cstrong data-start=\"550\" data-end=\"581\"\u003e430mm ceiling joist spacing\u003c\/strong\u003e, this high-density R4.0 insulation delivers excellent year-round temperature control while reducing heating and cooling costs.\u003c\/p\u003e\n\u003ch2 data-start=\"715\" data-end=\"737\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"739\" data-end=\"975\"\u003eEarthwool R4.0 HD is part of the premium Earthwool insulation range manufactured by \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eKnauf Insulation\u003c\/span\u003e\u003c\/span\u003e. It uses advanced ECOSE® Technology, making it softer to handle and low in itch compared to traditional glasswool.\u003c\/p\u003e\n\u003cp data-start=\"977\" data-end=\"987\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"988\" data-end=\"1116\"\u003e\n\u003cli data-start=\"988\" data-end=\"1010\"\u003e\n\u003cp data-start=\"990\" data-end=\"1010\"\u003eResidential ceilings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1011\" data-end=\"1036\"\u003e\n\u003cp data-start=\"1013\" data-end=\"1036\"\u003eRenovations \u0026amp; retrofits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1037\" data-end=\"1054\"\u003e\n\u003cp data-start=\"1039\" data-end=\"1054\"\u003eNew home builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1055\" data-end=\"1083\"\u003e\n\u003cp data-start=\"1057\" data-end=\"1083\"\u003eEnergy efficiency upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1084\" data-end=\"1116\"\u003e\n\u003cp data-start=\"1086\" data-end=\"1116\"\u003eNoise reduction between levels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1118\" data-end=\"1121\"\u003e\n\u003ch2 data-start=\"1123\" data-end=\"1143\"\u003e📏 Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1145\" data-end=\"1382\"\u003e\n\u003cli data-start=\"1145\" data-end=\"1166\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1166\"\u003e\u003cstrong data-start=\"1147\" data-end=\"1159\"\u003eR-Value:\u003c\/strong\u003e R4.0\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1167\" data-end=\"1187\"\u003e\n\u003cp data-start=\"1169\" data-end=\"1187\"\u003e\u003cstrong data-start=\"1169\" data-end=\"1179\"\u003eWidth:\u003c\/strong\u003e 430mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1188\" data-end=\"1229\"\u003e\n\u003cp data-start=\"1190\" data-end=\"1229\"\u003e\u003cstrong data-start=\"1190\" data-end=\"1206\"\u003eApplication:\u003c\/strong\u003e Ceiling \/ Roof space\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1230\" data-end=\"1264\"\u003e\n\u003cp data-start=\"1232\" data-end=\"1264\"\u003e\u003cstrong data-start=\"1232\" data-end=\"1244\"\u003eDensity:\u003c\/strong\u003e High Density (HD)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1265\" data-end=\"1311\"\u003e\n\u003cp data-start=\"1267\" data-end=\"1311\"\u003e\u003cstrong data-start=\"1267\" data-end=\"1280\"\u003eMaterial:\u003c\/strong\u003e Glasswool with ECOSE® binder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1312\" data-end=\"1351\"\u003e\n\u003cp data-start=\"1314\" data-end=\"1351\"\u003e\u003cstrong data-start=\"1314\" data-end=\"1333\"\u003eCombustibility:\u003c\/strong\u003e Non-combustible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1352\" data-end=\"1382\"\u003e\n\u003cp data-start=\"1354\" data-end=\"1382\"\u003e\u003cstrong data-start=\"1354\" data-end=\"1376\"\u003eFormaldehyde Free:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1384\" data-end=\"1453\"\u003ePerfect for standard 430mm ceiling joist spacing in Australian homes.\u003c\/p\u003e\n\u003ch2 data-start=\"1460\" data-end=\"1501\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-start=\"1460\" data-end=\"1501\"\u003eWhy Choose R4.0 HD Ceiling Insulation?\u003c\/h2\u003e\n\u003cp data-start=\"1503\" data-end=\"1595\"\u003eR4.0 is one of the most popular ceiling insulation ratings in Perth and WA homes because it:\u003c\/p\u003e\n\u003cp data-start=\"1597\" data-end=\"1781\"\u003e✔ Significantly reduces summer heat gain\u003cbr data-start=\"1637\" data-end=\"1640\"\u003e✔ Helps retain warmth during winter\u003cbr data-start=\"1675\" data-end=\"1678\"\u003e✔ Lowers energy bills\u003cbr data-start=\"1699\" data-end=\"1702\"\u003e✔ Improves acoustic performance\u003cbr data-start=\"1733\" data-end=\"1736\"\u003e✔ Meets NCC requirements for many WA builds\u003c\/p\u003e\n\u003cp data-start=\"1783\" data-end=\"1880\"\u003eIf you're building or upgrading, R4.0 provides an excellent balance between performance and cost.\u003c\/p\u003e\n\u003ch2 data-start=\"1887\" data-end=\"1928\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-start=\"1887\" data-end=\"1928\"\u003eBenefits of Earthwool HD Insulation\u003c\/h2\u003e\n\u003cul data-start=\"1930\" data-end=\"2135\"\u003e\n\u003cli data-start=\"1930\" data-end=\"1981\"\u003e\n\u003cp data-start=\"1932\" data-end=\"1981\"\u003eSoft-touch fibres – easier and safer to install\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1982\" data-end=\"2012\"\u003e\n\u003cp data-start=\"1984\" data-end=\"2012\"\u003eLow dust, low itch formula\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2013\" data-end=\"2040\"\u003e\n\u003cp data-start=\"2015\" data-end=\"2040\"\u003eOdourless and rot proof\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2041\" data-end=\"2064\"\u003e\n\u003cp data-start=\"2043\" data-end=\"2064\"\u003eResistant to vermin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2065\" data-end=\"2098\"\u003e\n\u003cp data-start=\"2067\" data-end=\"2098\"\u003eLong-term thermal performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2099\" data-end=\"2135\"\u003e\n\u003cp data-start=\"2101\" data-end=\"2135\"\u003eMade with recycled glass content\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2142\" data-end=\"2157\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-start=\"2142\" data-end=\"2157\"\u003e Ideal For\u003c\/h2\u003e\n\u003cul data-start=\"2159\" data-end=\"2370\"\u003e\n\u003cli data-start=\"2159\" data-end=\"2194\"\u003e\n\u003cp data-start=\"2161\" data-end=\"2194\"\u003eResidential homes in Perth \u0026amp; WA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2195\" data-end=\"2236\"\u003e\n\u003cp data-start=\"2197\" data-end=\"2236\"\u003eCeiling upgrades for older properties\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2237\" data-end=\"2282\"\u003e\n\u003cp data-start=\"2239\" data-end=\"2282\"\u003eDouble-storey homes needing sound control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2283\" data-end=\"2314\"\u003e\n\u003cp data-start=\"2285\" data-end=\"2314\"\u003eEnergy efficiency retrofits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2315\" data-end=\"2370\"\u003e\n\u003cp data-start=\"2317\" data-end=\"2370\"\u003eBuilders looking for reliable, compliant insulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Perth Insulation Centre","offers":[{"title":"Default Title","offer_id":46528239403166,"sku":null,"price":101.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0165\/1579\/2996\/files\/R4.0_HD_Insulation.webp?v=1771482270","url":"https:\/\/perthinsulationcentre.com.au\/products\/earthwool-r4-0-hd-140mm-acoustic-insulation-batts-430mm-wide","provider":"Perth Insulation Centre","version":"1.0","type":"link"}