Superglass Acoustic Partition Roll APR 25mm 50mm 60mm 75mm 80mm 100mm. Superglass Acoustic Roll is a lightweight, non-combustible glass mineral wool insulation roll. The flexible roll in 60, 75m 80 and 100mm is perforated 2x600mm and 3x400mm widths to allow easy installation between common stud/joist spacings and minimum on-site cutting and waste.
eBay