Description
Product Overview
ROCKWOOL RWA45 75mm (1200mm × 600mm) Acoustic Insulation Slab is a high-performance resin-bonded stone wool slab designed to provide excellent acoustic absorption, dependable thermal insulation, and Euroclass A1 fire resistance. With its increased thickness, the RWA45 75mm slab offers enhanced sound reduction while maintaining non-combustible performance for use in walls, floors, ceilings, and roof applications across residential, commercial, and industrial buildings.
Key Features & Benefits
- Thermal conductivity (λD) of 0.035 W/m·K for consistent thermal performance.
- Euroclass A1 fire rating – fully non-combustible stone wool.
- High acoustic absorption, ideal for reducing airborne noise transmission.
- Suitable for partitions, separating floors, ceilings, and general internal building use.
- Standardised 1200mm × 600mm slab size for easy handling and cutting.
- Pack coverage: 4.32 m² (6 slabs per pack).
- Water-repellent, non-hygroscopic, and resistant to mould and moisture.
- Manufactured in accordance with EN 13162:2012 + A1:2015 standards.
Applications / Typical Uses
- Internal stud partition walls requiring strong acoustic and fire performance.
- Separating floors and suspended ceilings in multi-storey buildings.
- Roof and ceiling insulation where non-combustibility is needed.
- Suitable for residential, commercial, and industrial new-build or refurbishment projects.
Installation & Handling
- Store slabs dry and protect them from moisture prior to installation.
- Cut using a sharp insulation knife or saw for accurate and clean edges.
- Fit slabs tightly between studs or joists to eliminate gaps and ensure optimum performance.
- Follow all relevant building regulations covering fire, acoustic, and thermal requirements.
- Handle with care to avoid compression or physical damage to the slab surfaces.
Compliance & Certification
- Product Standard: EN 13162:2012 + A1:2015.
- Reaction to fire: Euroclass A1 (non-combustible).
- Thermal conductivity: λD = 0.035 W/m·K.
- Manufactured using sustainable, durable, non-combustible stone wool fibres.
Pack & Coverage Information
- Slab Dimensions: 1200mm × 600mm
- Thickness: 75mm
- Slabs per Pack: 6
- Pack Coverage: 4.32 m²
- Packs per Pallet: 18
- Pallet Coverage: 77.76 m²
