Rockwool R/W HPPF Cavity Slab is a high-performance stone wool insulation solution designed for cavity wall applications. With dimensions of 140mm x 455mm x 1200mm, this product delivers superior thermal resistance and acoustic performance while meeting stringent fire safety requirements. Ideal for masonry cavity construction, it combines excellent lambda values with robust moisture and fire protection.
Key Features
- Lambda value: 0.037 W/mK for optimal thermal efficiency
- Non-combustible A1 fire rating in accordance with EN 13823
- High vapour permeability for effective moisture management
- Consistent density and compression resistance for cavity wall applications
- Sustainable stone wool composition with low embodied carbon