The Knauf Earthwool Roof Blanket is a sound absorbing, non-combustible insulation made specifically for commercial roofs made of metal. Earthwool roofing blanket provide a cost-effective thermal and acoustical barrier for energy-efficient construction. The consistent quality, low dust, and clean-cutting resilient fibres makes for fast and easy installation. The foil facing provides condensation control, and hence Space Blanket insulation and similar products are particularly suited for use under metal roofs.