Knauf stone wool K2 80 kg / m³ (50 mm) is a premium quality insulation material with high density and thermal insulation capability. Developed with special technology from volcanic rocks, provides both heat and sound insulation. Thanks to the density of 80 kg / m³, it is strong and longevity, the uniform does not change over time and does not create sediment. In the category of F classroom Fedal, with a high fire sustainability feature. This product, which is 50 mm thick, is suitable for the use of wall, ceiling, flooring and roof structures. Creates a healthy living environment with environmentally friendly composition, is an ideal choice in both individual and industrial construction.