Knauf Earthwool Building Slab RS33 are a range of semi-rigid and rigid slabs, manufactured from a resilient, non-combustible rock mineral wool. They are supplied un-faced as standard but can be manufactured with a foil or tissue face to special order but may be subject to minimum order quantities.
They are available in a range of densities from 33 kg/m3 to 140 kg/m3. Earthwool Building Slabs can be used in a wide range of thermal and acoustic applications within buildings. Earthwool Building Slabs represent no known threat to the environment and have zero Ozone Depletion Potential and zero Global Warming Potential.