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Rockwool Flexi-Slab 50mm x 1200mm x 400mm (24 Packs) is a high-performance insulation solution designed for both thermal and acoustic applications in walls, floors, and roofs. Manufactured with innovative flexible edges, this Rockwool insulation slab ensures a tight fit between timber and metal frames, minimising gaps and maintaining consistent performance. Its non-combustible stone wool composition provides excellent fire resistance, helping to improve building safety. The slabs are easy to handle and install, making them suitable for residential and commercial construction projects. This insulation product is also water-repellent and resistant to rot and mould, ensuring long-lasting durability.