ROCKWOOL Flexi Slab Acoustic Insulation 1200mm x 400mm x 100mm is designed to provide enhanced sound and thermal insulation for walls, floors, and partitions in residential and commercial buildings. The flexible edge ensures a tight fit between timber and metal frames, reducing gaps and maximising acoustic performance. Manufactured from high-quality stone wool, this insulation slab is non-combustible, moisture resistant, and easy to cut for installation. Supplied in a pallet covering 86.4m², ROCKWOOL Flexi Slab offers reliable fire protection as well as improved energy efficiency for your building project.