Rockwool Flexi Slab 1200mm x 600mm x 50mm is a high-performance insulation solution designed for both thermal and acoustic efficiency. Supplied in a pack of 12, covering 8.64m², this mineral wool insulation slab features a flexible edge to ensure a tight fit between timber and metal frames, reducing gaps and maintaining consistent performance. Rockwool Flexi Slab is fire resistant, non-combustible, and water repellent, making it ideal for walls, floors, partitions, and roofs in residential or commercial buildings. Its robust construction also resists sagging or slumping over time, ensuring long-term durability and effectiveness.