Mineral wool belongs to one of the most common insulation materials for sandwich panels. It has the best isolation compared to other heater. Previously, this material had many disadvantages, and the demand for it significantly fell. But in recent years, many technologies for its manufacture have appeared, and the material has acquired a large number of advantages and practically ceased to have disadvantages. The new modified mineral wool has become so better that the installation of sandwich panels with such insulation is carried out almost everywhere.