Knauf Rocksilk EWI Slab
Rocksilk EWI Slab Specifically for use with external wall insulation systems Performance Thermal Rocksilk EWI Slab has a thermal conductivity of 0.036 W/mK. Fire Rocksilk EWI Slab and EWI Slab Plus are classified as Euroclass A1 to BS EN 13501-1.
Rocksilk EWI Slab is a high strength, rock mineral wool slab with a water repellent additive specifically designed for use in external wall insulation systems. .