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Rockwool RW5 Acoustic Mineral Wool is a high-density insulation slab designed to absorb airborne sound and block fire spread in internal walls, floors, and ceilings. Each 1200mm x 600mm slab friction-fits between timber or steel studs without mechanical fixings.

Made from stone wool, RW5 is Euroclass A1 non-combustible, water-repellent, and vapour-permeable. It performs well in both domestic and commercial settings and supports compliance with UK acoustic and fire regulations. For guidance on fitting, refer to the Rockwool RW5 installation guide.

Key Features

• Reduces airborne sound between rooms
• Euroclass A1 fire-rated, non-combustible
• Water-repellent and breathable stone wool
• Thermal conductivity of 0.034 W/mK
• Fits timber or steel stud partitions
• Available in 25mm, 30mm, 50mm, 75mm, and 100mm thicknesses
• Datasheet