The Knauf Insulation Loft Roll 44 Combi-Cut 100mm is a versatile, flexible and lightweight mineral wool insulation roll, perfect for thermal and acoustic insulation in residential or commercial buildings. This product is designed to be easily cut into varying widths, allowing for quick installation between common joist spacings. It provides exceptional thermal performance, reducing energy costs and improving comfort. The Knauf Loft Roll 44 is also eco-friendly, made from up to 80% recycled glass.