{"product_id":"superglass-44-multi-roll-loft-insulation","title":"Superglass 44 Multi-Roll Loft Insulation","description":"Superglass Multi-Roll 44 is a high-quality, non-combustible glass mineral wool insulation roll designed to provide excellent thermal performance in loft spaces. It comes partially perforated, so you can easily use it between standard joist widths or lay it as a continuous full-width layer over the top of joists—reducing cutting, waste, and installation time.\n\nThis flexible roll format is particularly useful for both professional installers and DIY homeowners looking to improve the energy efficiency of new or existing homes.\n\n\u003ch3\u003eIdeal for Loft and Cold Roof Applications\u003c\/h3\u003e\nSuperglass Multi-Roll 44 is specifically made for thermal insulation in lofts and cold pitched roofs. It can be installed between timber joists to insulate the ceiling of the space below or laid over joists to reduce heat loss through the roof structure.\n\nThanks to its user-friendly design, you’ll find it quick to fit, and the flexibility of the roll means it can adapt easily to most spaces without leaving gaps that can reduce thermal performance.\n\n\u003ch3\u003eReliable Thermal and Fire Safety Performance\u003c\/h3\u003e\nThis insulation roll provides a declared thermal conductivity of 0.044W\/mK, helping to reduce energy bills by keeping more warmth inside the home during colder months.\n\nWhen it comes to fire safety, Superglass Multi-Roll 44 is Euroclass A1-rated, meaning it’s non-combustible and meets the highest possible standard when tested to BS EN 13501-1:2018. It’s a reassuring choice for any residential or commercial insulation project.\n\nSuperglass Multi-Roll 44 also holds a CCPI (Code for Construction Product Information) assessment, with certificate number 005800129\/0227, confirming its reliable, transparent performance data.\n\n\u003ch3\u003eAvailable Sizes and Coverage\u003c\/h3\u003e\nSuperglass 44 Multi-Roll is available in a range of thicknesses and roll sizes to suit various insulation needs:\n\n100mm x 1200mm x 10,100mm – covers 12.12m²\n\n150mm x 1160mm x 6,650mm – covers 7.71m²\n\n170mm x 1160mm x 5,800mm – covers 6.73m²\n\n200mm x 1160mm x 4,850mm – covers 5.63m²\n\nChoose the right thickness depending on your insulation targets and how much loft space you have available.\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003ch4\u003e1. Can I install Superglass 44 Multi-Roll myself?\u003c\/h4\u003e Yes! The rolls are **lightweight, flexible, and partially perforated**, making them easy to handle and fit between or over joists. If you follow the proper safety guidance and wear protective gear, this is a very **DIY-friendly insulation option**. \u003ch4\u003e2. Is this insulation safe in case of fire?\u003c\/h4\u003e Absolutely. Superglass 44 is rated **Euroclass A1** under BS EN 13501-1:2018, which is the **highest fire safety classification** for building materials. It’s considered non-combustible, making it a very safe choice for residential and commercial properties. \u003ch4\u003e3. What’s the difference between the thickness options?\u003c\/h4\u003e The main difference is **thermal performance**. Thicker rolls provide more insulation, helping to retain more heat. For example, a 200mm roll will generally offer **better thermal resistance** than a 100mm roll. Choose based on your energy efficiency goals and loft depth.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/insulation\"\u003einsulation\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/loft-insulation\"\u003eloft insulation\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Superglass","offers":[{"title":"100mmx1200x10100 (12.12m2)","offer_id":51553819525462,"sku":"151912","price":42.13,"currency_code":"GBP","in_stock":true},{"title":"150mmx1160x6650 (7.71m2)","offer_id":51553819558230,"sku":"151913","price":39.6,"currency_code":"GBP","in_stock":true},{"title":"170mmx1160x5800 (6.73m2)","offer_id":51553819590998,"sku":"151914","price":38.8,"currency_code":"GBP","in_stock":true},{"title":"200mmx1160x4850 (5.63m2)","offer_id":51553819623766,"sku":"151915","price":37.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/superglass-44-multi-roll-loft-insulation-9875041.jpg?v=1772656580","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/superglass-44-multi-roll-loft-insulation","provider":"JJ Building Materials","version":"1.0","type":"link"}