Rockwool Rainwool DD Slab is a rigid mineral wool insulation board designed for cavity wall insulation applications. With a thermal conductivity of 0.035 W/mK and non-combustible A1 fire classification, it provides reliable thermal performance and fire safety in timber frame and masonry cavity constructions.
Key Features
- Thermal conductivity: 0.035 W/mK for consistent energy performance
- Non-combustible A1 fire rating ensuring enhanced fire safety
- 100mm thickness optimised for cavity wall applications
- Hydrophobic properties with inherent vapour control
- Easy installation with 1200x600mm board format providing 0.72m² coverage