Description
Product Overview
ROCKWOOL RWA45 40mm (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. The 40mm thickness offers an effective balance of sound reduction and fire safety, making it suitable for partitions, ceilings, linings, and service void applications across residential, commercial, and industrial buildings.
Key Features & Benefits
- Thermal conductivity (λD) of 0.035 W/m·K for reliable thermal performance.
- Euroclass A1 fire rating – completely non-combustible stone wool.
- Strong acoustic absorption, ideal for improving airborne sound insulation.
- Suitable for partitions, ceilings, wall linings, and general building applications.
- Standardised 1200mm × 600mm slab size for easy cutting and installation.
- Pack coverage: 8.64m² (12 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 partitions requiring improved acoustic and fire performance.
- Ceiling and roof linings where non-combustible insulation is required.
- Acoustic wall linings and secondary sound-control layers.
- Residential, commercial, or industrial new-build and refurbishment projects.
Installation & Handling
- Store slabs in dry conditions and protect from moisture prior to installation.
- Cut accurately using a sharp insulation knife or saw.
- Fit slabs tightly between studs or joists to avoid gaps and maximise performance.
- Follow all relevant building regulations for fire, acoustic, and thermal compliance.
- Handle with care to avoid compression or surface damage during installation.
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, non-combustible stone wool fibres.
Pack & Coverage Information
- Slab Dimensions: 1200mm × 600mm
- Thickness: 40mm
- Slabs per Pack: 12
- Pack Coverage: 8.64m²
