Rockwool RWA45 Acoustic Insulation Slab delivers exceptional thermal, acoustic, and fire performance for a wide range of construction projects. These premium resin-bonded slabs come in various thicknesses and densities, allowing you to tailor your insulation solution to your specific project needs. Optional facings are available upon request to suit your requirements.
Perfect for general building applications, the 100mm RWA45 ROCKWOOL slabs provide reliable acoustic and thermal insulation for partition walls, ceilings, floors, and roofs. This versatile product integrates seamlessly into any construction project.
With a Euroclass A1 non-combustible rating, these slabs offer outstanding fire safety. Installing 100mm RWA45 in ceilings, walls, and floors helps compartmentalise spaces and significantly reduces fire spread risk.
The RWA45 rockwool insulation slabs feature a Lambda value of 0.035 W/mK and are supplied in three standard thicknesses from 25 to 100mm.
Black or white tissue, as well as aluminium foil facings, can be arranged subject to production compatibility and minimum order requirements. Get in touch with our team at sales@insulationbee.co.uk or ring us on 02038839057 to discuss your made-to-order needs.
100mm Rockwool RWA45 Slabs suit a broad spectrum of general building applications, delivering acoustic, thermal, and fire protection for walls, ceilings, floors, and roofs. Available in multiple thicknesses and densities ranging from 45 to 140 kg/m3, these slabs can be enhanced with black or white tissue facing or foil facing on one or both sides, subject to production compatibility.
ROCKWOOL RWA45 100mm Slabs are non-combustible, achieving an A1 reaction to fire classification under EN13501-1 standards.
The random fibre orientation and density of stone wool effectively trap sound waves and dampen vibrations. This makes it highly effective for reducing external noise when installed in external walls.
Browse our full Rockwool Insulation range and filter by thickness or coverage using the left-hand menu. To discuss product suitability for your project or request a quantity discount, contact us on +4402038839057, email sales@insulationbee.co.uk or use Live Chat for the best UK Rockwool Stone Wool Insulation prices.









