Rockwool RWA45 is a rigid stone wool insulation slab delivering thermal performance with a lambda value of 0.045 W/mK, suitable for timber frame construction and internal wall applications. Each pack contains 12 slabs measuring 1200 x 600mm at 30mm thickness, providing efficient coverage with excellent fire resistance and moisture management properties.
Key Features
- Lambda value: 0.045 W/mK for consistent thermal performance
- Non-combustible stone wool with Euro classification A1
- Excellent vapour permeability supporting breathable construction
- 12 slabs per pack: 1200 x 600 x 30mm (8.64m² coverage)
- Suitable for timber frame insulation and cavity wall applications