Knauf RockSilk Rock Mineral Wool Insulation Slab RS45 100mm offers reliable thermal and acoustic insulation for walls, floors, and roofs. Manufactured from non-combustible rock mineral wool, this insulation slab is designed to enhance energy efficiency and fire safety in residential and commercial buildings. The 3.60m² pack provides convenient coverage, making installation straightforward for both new builds and refurbishments. Knauf RockSilk RS45 is lightweight yet robust, maintaining its shape while fitting snugly between framing without slumping. It is water-repellent, rot-proof, and resistant to vermin, ensuring long-lasting performance for any insulation project.