Superglass Multi-Roll 44 is a Glass Mineral Wool roll, designed to improve the thermal conductivity of your home or work environment. It is non-combustible insulation with the best possible Euroclass A1 reaction to fire classification. The Rolls are odourless, rot proof, non-hygroscopic, do not sustain vermin and will not encourage the growth of fungi, mould, or bacteria. Superglass rolls are extremely durable and when installed correctly, they will have a life span that lasts for as long as the building does. Multi-rolls contain no ozone-depleting substances or greenhouse gases. This product is manufactured from up to 84% recycled glass.