Isover Acoustic Partition Roll (APR1200) provides high levels of acoustic insulation in walls and floors to meet acoustic requirements in domestic and non-residential applications. Covered by British Gypsum Specsure Warranty with guaranteed lifetime performance when used as part of British Gypsum drywall and acoustic floor systems. Manufactured from up to 86% of recycled posy-consumer glass that would otherwise go to landfill. Manufactured with zero Ozone Depletion Potential and a Global Warming Potential of less than 5. Has an A1 Euroclass fire rating. Split into 2 x 600mm rolls Acoustic insulation for partitions and floors A1 Euroclass fire rating Lambda value of 0.038 W/mK (25mm & 50mm only) 1200mm wide packs, pre-split to 2/600mm rolls Thicknesses from 25mm to 100mm