Rockwool Flexi Slab is a semi-rigid stone wool insulation board designed for timber frame construction and cavity wall applications. Offering excellent thermal performance with low lambda values and superior fire protection, it provides a reliable solution for building envelope insulation requirements.
Key Features
- Lambda value: 0.036 W/mK for optimised thermal resistance
- Non-combustible A1 fire rating for enhanced fire safety
- Vapour permeable construction for moisture management in timber frames
- Semi-rigid format simplifies installation and reduces cold bridging
- Pack quantity: 4 slabs per unit covering 2.88 m²