ROCKWOOL Flexi Slab Acoustic Insulation 1200mm x 400mm x 140mm is designed for effective thermal and acoustic insulation in walls, floors, and partitions. Manufactured from high-quality stone wool, this insulation slab fits securely between timber and metal frames, providing outstanding sound absorption and fire resistance. Its flexible edge ensures a tight fit with minimal gaps, enhancing both energy efficiency and soundproofing. The pallet contains slabs covering a total area of 46.08m2, making it suitable for large-scale building projects or refurbishments. ROCKWOOL insulation is easy to install, non-combustible, and resistant to moisture, ensuring lasting performance in residential or commercial environments.