The Isover Acoustic Partition Roll (APR 1200) 9.17m x 600 x 100mm (L x W x T) Pack of 2 is a glass mineral wool that provides high levels of acoustic performance in partition walls and floors. Acoustic Partition Roll (APR 1200) is designed to meet the requirements of Building Regulations Approved Document E (England & Wales) and Technical Standards Section 5 (Scotland). This product is backed by one of the UK’s most comprehensive libraries of system performance tests conducted in conjunction with British Gypsum, and carries a SpecSure® lifetime System Guarantee when used as part of a warranted British Gypsum drywall or floor system. The rolls push-fit between 600mm stud centres making it easy to install. Can be used as either 1 x 600mm roll or split into 2 x 300mm rolls.