ROCKWOOL ROLLBATT is a semi-rigid stone wool insulation roll designed for thermal and acoustic performance in timber frame construction. With a lambda value of 0.037 W/mK, it delivers excellent energy efficiency while maintaining fire classification A1. The 150mm thickness provides optimal thermal resistance for building envelope applications.
Key Features
- Lambda value: 0.037 W/mK for superior thermal performance
- Fire classification A1 - non-combustible stone wool construction
- Semi-rigid rollbatt format: 3.2m length x 400mm width for efficient installation
- Excellent acoustic absorption properties
- Vapour permeable - supports breathable building envelopes