Knauf stone wool K2 50 kg / m³ (50 mm) - light, effective and environmentally friendly heat and sound insulation material. Developed from volcanic stones and provides long-term sustainability. This model, which is 50 kg / m³, is especially suitable for projects that prefer thermal insulation. Thanks to 50 mm thick, it is easily applied to the wall, ceiling, flooring and roof insulation. High respiration creates a healthy microclimate within the room, and the fire continuity increases security. It is recommended to use both individual areas of residential and commercial buildings.