{"product_id":"rockwool-flexi-acoustic-thermal-insulation-slab","title":"Rockwool Flexi Stone Wool Insulation Slab 1200x600mm","description":"\u003cp data-start=\"3241\" data-end=\"3303\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"3241\" data-end=\"3303\"\u003eFlexible Stone Wool Insulation for Walls, Floors and Roofs\u003c\/strong\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3305\" data-end=\"3580\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"3305\" data-end=\"3323\"\u003eRockwool Flexi\u003c\/strong\u003e is a multi-purpose stone wool insulation slab designed for both \u003cstrong data-start=\"3388\" data-end=\"3424\"\u003eacoustic and thermal performance\u003c\/strong\u003e. It features a flexible edge that helps the slab friction-fit tightly between timber or metal studs, joists and rafters, reducing gaps during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3582\" data-end=\"3764\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThis makes it a practical choice for \u003cstrong data-start=\"3619\" data-end=\"3705\"\u003epartition walls, floors, ceilings, roofs, timber frames and refurbishment projects\u003c\/strong\u003e where a close-fitting mineral wool insulation is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3766\" data-end=\"4001\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRockwool Flexi is made from non-combustible stone wool and provides excellent fire, acoustic and thermal performance. It helps reduce airborne sound transfer between rooms while also improving heat retention within the building fabric.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4003\" data-end=\"4248\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe flexible edge makes installation easier, especially where stud or joist spacing is not perfectly consistent. Once fitted, the slab holds itself in position, helping maintain a continuous insulation layer without unnecessary cutting or waste.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"4250\" data-end=\"4265\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eKey features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"4267\" data-end=\"4733\"\u003e\n\u003cli data-start=\"4267\" data-end=\"4345\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"4269\" data-end=\"4286\"\u003eFlexible edge\u003c\/strong\u003e for a tight friction fit between studs, joists and rafters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4346\" data-end=\"4423\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHelps reduce \u003cstrong data-start=\"4361\" data-end=\"4388\"\u003eairborne sound transfer\u003c\/strong\u003e through walls, floors and ceilings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4424\" data-end=\"4476\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eProvides strong \u003cstrong data-start=\"4442\" data-end=\"4464\"\u003ethermal insulation\u003c\/strong\u003e performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4477\" data-end=\"4519\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMade from \u003cstrong data-start=\"4489\" data-end=\"4519\"\u003enon-combustible stone wool\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4520\" data-end=\"4571\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSuitable for timber and metal frame constructions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4572\" data-end=\"4613\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEasy to cut and install around services\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4614\" data-end=\"4682\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHelps reduce gaps that can weaken acoustic and thermal performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4683\" data-end=\"4733\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSuitable for residential and commercial projects\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"4735\" data-end=\"4750\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"4752\" data-end=\"4782\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRockwool Flexi can be used in:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"4784\" data-end=\"5033\"\u003e\n\u003cli data-start=\"4784\" data-end=\"4810\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInternal partition walls\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4811\" data-end=\"4840\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTimber and metal stud walls\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4841\" data-end=\"4860\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSeparating floors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4861\" data-end=\"4886\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSuspended timber floors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4887\" data-end=\"4897\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCeilings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4898\" data-end=\"4913\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePitched roofs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4914\" data-end=\"4941\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTimber frame construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4942\" data-end=\"4982\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGarden rooms, studios and home offices\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"4983\" data-end=\"5033\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGeneral acoustic and thermal insulation upgrades\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"5035\" data-end=\"5062\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTechnical specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"5064\" data-end=\"5579\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"5064\" data-end=\"5113\"\u003e\n\u003ctr data-start=\"5064\" data-end=\"5113\"\u003e\n\u003cth data-start=\"5064\" data-end=\"5080\" data-col-size=\"sm\" class=\"last:pe-10\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth data-start=\"5080\" data-end=\"5096\" data-col-size=\"sm\" class=\"last:pe-10\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e100mm Variant\u003c\/span\u003e\u003c\/th\u003e\n\u003cth data-start=\"5096\" data-end=\"5113\" data-col-size=\"sm\" class=\"last:pe-10\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e140mm Variant\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"5130\" data-end=\"5579\"\u003e\n\u003ctr data-start=\"5130\" data-end=\"5175\"\u003e\n\u003ctd data-start=\"5130\" data-end=\"5140\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eProduct\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5140\" data-end=\"5157\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRockwool Flexi\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5157\" data-end=\"5175\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRockwool Flexi\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5176\" data-end=\"5205\"\u003e\n\u003ctd data-start=\"5176\" data-end=\"5188\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"5188\" data-end=\"5196\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e100mm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"5196\" data-end=\"5205\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e140mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5206\" data-end=\"5253\"\u003e\n\u003ctd data-start=\"5206\" data-end=\"5218\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSlab size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5218\" data-end=\"5235\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1200mm x 600mm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"5235\" data-end=\"5253\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1200mm x 600mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5254\" data-end=\"5280\"\u003e\n\u003ctd data-start=\"5254\" data-end=\"5271\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSlabs per pack\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5271\" data-end=\"5275\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e6\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5275\" data-end=\"5280\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5281\" data-end=\"5320\"\u003e\n\u003ctd data-start=\"5281\" data-end=\"5301\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCoverage per pack\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5301\" data-end=\"5310\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e4.32m²\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"5310\" data-end=\"5320\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e2.88m²\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5321\" data-end=\"5359\"\u003e\n\u003ctd data-start=\"5321\" data-end=\"5332\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5332\" data-end=\"5345\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eStone wool\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5345\" data-end=\"5359\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eStone wool\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5360\" data-end=\"5437\"\u003e\n\u003ctd data-start=\"5360\" data-end=\"5374\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFire rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5374\" data-end=\"5405\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEuroclass A1 non-combustible\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"5405\" data-end=\"5437\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEuroclass A1 non-combustible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5438\" data-end=\"5498\"\u003e\n\u003ctd data-start=\"5438\" data-end=\"5461\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThermal conductivity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5461\" data-end=\"5474\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e0.038 W\/mK\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"5474\" data-end=\"5498\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003etypically 0.035 W\/mK\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5499\" data-end=\"5579\"\u003e\n\u003ctd data-start=\"5499\" data-end=\"5510\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMain use\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5510\" data-end=\"5544\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAcoustic and thermal insulation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-start=\"5544\" data-end=\"5579\" data-col-size=\"sm\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAcoustic and thermal insulation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-start=\"5581\" data-end=\"5602\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInstallation notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"5604\" data-end=\"5786\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInstall Rockwool Flexi between timber or metal framing with the flexible edge compressed slightly against the frame. The slab should fit snugly with no visible gaps around the edges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"5788\" data-end=\"5927\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCut with a suitable insulation knife where required. Avoid leaving voids, as gaps can reduce both sound insulation and thermal performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"5929\" data-end=\"6119\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFor soundproofing projects, Rockwool Flexi should be used as part of a complete system with suitable acoustic plasterboard, isolation products, sealant and careful control of flanking noise.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1 data-start=\"7133\" data-end=\"7138\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFAQ\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp data-start=\"7140\" data-end=\"7331\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"7140\" data-end=\"7176\"\u003eWhat is Rockwool Flexi used for?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"7176\" data-end=\"7179\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRockwool Flexi is used for acoustic and thermal insulation in walls, floors, ceilings and roofs. It is suitable for timber and metal frame construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"7333\" data-end=\"7537\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"7333\" data-end=\"7393\"\u003eWhat makes Rockwool Flexi different from standard slabs?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"7393\" data-end=\"7396\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRockwool Flexi has a flexible edge that helps it grip between studs, joists or rafters. This helps reduce gaps and makes installation easier.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"7539\" data-end=\"7773\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"7539\" data-end=\"7584\"\u003eIs Rockwool Flexi good for soundproofing?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"7584\" data-end=\"7587\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eYes. Rockwool Flexi helps absorb airborne sound inside wall, floor and ceiling cavities. For stronger soundproofing, it should be used with suitable acoustic boards and acoustic sealing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"7775\" data-end=\"7918\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"7775\" data-end=\"7812\"\u003eIs Rockwool Flexi fire resistant?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"7812\" data-end=\"7815\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eYes. Rockwool Flexi is a non-combustible stone wool insulation product with a Euroclass A1 fire rating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"7920\" data-end=\"8003\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"7920\" data-end=\"7967\"\u003eHow many square metres are in a 100mm pack?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"7967\" data-end=\"7970\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe 100mm pack covers \u003cstrong data-start=\"7992\" data-end=\"8002\"\u003e4.32m²\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"8005\" data-end=\"8088\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"8005\" data-end=\"8052\"\u003eHow many square metres are in a 140mm pack?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"8052\" data-end=\"8055\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe 140mm pack covers \u003cstrong data-start=\"8077\" data-end=\"8087\"\u003e2.88m²\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Rockwool","offers":[{"title":"100mm \/ 1200mm x 600mm","offer_id":53637994611027,"sku":null,"price":41.95,"currency_code":"GBP","in_stock":true},{"title":"140mm \/ 1200mm x 600mm","offer_id":53637994643795,"sku":null,"price":37.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/0360\/7891\/files\/download_64.jpg?v=1775699019","url":"https:\/\/soundproofingking.co.uk\/products\/rockwool-flexi-acoustic-thermal-insulation-slab","provider":"Soundproofing King","version":"1.0","type":"link"}