Rockwool Flexi Slab is a semi-rigid stone wool insulation product designed for timber frame construction and cavity wall applications. With a thermal conductivity (lambda) of 0.035-0.037 W/mK, it delivers excellent energy performance whilst maintaining structural integrity. The product achieves Euroclassification A1 non-combustible fire rating, providing critical fire safety performance in building assemblies.
Key Features
- Thermal conductivity (lambda): 0.035-0.037 W/mK for optimised energy performance
- Non-combustible Euroclassification A1 fire rating
- Semi-rigid stone wool construction enables ease of installation in timber frame cavities
- Moisture-resistant properties with inherent vapour permeability for building envelope durability
- Pack quantity: 6 slabs per unit (600 x 1200 x 100mm each)