Delivery: IN STOCK. Delivery 1 - 2 days Free Delivery on orders over £650.00 Key Features: Thickness: 100mm, 150mm, 200mm (please select from the drop down menu) Thermal conductivity: 0.044W/mK Certification: Manufactured in accordance with BS EN 13162:2012, BS EN 13172:2012 & BS EN ISO 9001:2015 Description: Superglass Multi-Roll 44 is lightweight, non-combustible glass mineral wool insulation roll. The flexible roll is perforated to allow easy installation between common joist spacings and minimum onsite cutting and waste. Superglass Multi-Roll 44 is primarily used as thermal insulation in new and existing lofts/cold roofs. However, it can be used in a number of other applications including suspended timber ground floors. When used in the loft/cold roof it can be installed between and over the joists. Benefits Include: Thermal Performance – Provides excellent thermal performance with a thermal conductivity of 0.044W/mK. Fire Performance – Classified as A1 non-combustible (the highest possible rating). Recycled Content – Manufactured from up to 84% recycled glass. Environmental – BRE Green Guide Rating of A+ and ISO 14001 accredited. Easy-to-fit – Simple installation process. Downloads & Data Sheets: Product Data Sheet Declaration of Performance Certification