FRONTROCK FSN boards
Rock mineral wool boards for fire protection of window corners of polystyrene ETICS facades. FRONTROCK FSN is a non-flammable product, limiting the spread of fire, durable and mechanically and biologically resistant, with very good thermal performance. It is a dual-density, factory primed product with enhanced mechanical performance for a durable and safe facade. A special L-shaped cutout allows quick and easy application for fire protection of window corners.