Rockwool RWA45 Insulation Slab - 1200mm x 600mm High-quality stone wool insulation provides thermal, acoustic, and fire protection. It is ideal for walls, ceilings, floors, and roofs in residential and commercial buildings. Euroclass A1 is non-combustible, water-repellent, and easy to cut and install. It is available in various thicknesses to suit your project needs. Enhance energy efficiency and soundproofing with this durable, sustainable solution.