Panel sandwich
The construction branch, more than ever, needs today effective and low - cost technologies of construction of buildings. The traditional brick, gas - concrete blocks and monolithic designs cannot apply for a role of the leading technologies of construction of walls of constructions at the expense of the high level of prime cost and the long period of construction any more. They are succeeded by essentially new technologies of construction which basis the framework is. Structurally such buildings consist of the bearing elements and a sandwich of panels which are used as walls and a roof. At the same time panels have multilayered structure that promotes increase of heatefficiency of buildings and considerably raises other operational characteristics of constructions of various type.