ROCKWOOL Flexi Slab Acoustic Insulation 1200mm x 400mm x 100mm is designed for effective sound and thermal insulation in walls, floors, and roofs. Manufactured from high-quality stone wool, this acoustic insulation slab provides excellent fire resistance and durability. The unique flexible edge ensures a tight fit between timber or metal frames, minimising gaps for enhanced performance. Each pack covers an area of 2.88m², making it suitable for both domestic and commercial applications where acoustic control is essential. ROCKWOOL Flexi Slab is easy to install and maintains its shape over time, ensuring long-lasting insulation benefits.