It is used to create a reliable, insulating base on the frame structures ready for finishing, as well as for the construction of partitions using frameless technology. It is characterized by a high degree of thermal insulation with a planar rigidity of the structure, can be used for indoor, outdoor and wet areas. RPG sandwich has a light weight and does not overload the structures of buildings, ready for finishing. Installation is fast due to high technology readiness level . Panels are manufactured in various sizes and thickness options, which expands the range of applications. "RPG SML + XPS" is issued on the basis of extruded polystyrene.