Rapid erected buildings, also called prefabricated buildings and modular buildings, are structures assembled on the basis of standard block containers. They allow erecting fast-erected buildings of a given length, width and height, used as commercial real estate objects: canteens, trade pavilions, construction mini-offices, warehouses, medical mobile points, agricultural premises, construction cabins. Modern modular buildings can vary in size, architecture and design. By the way, now many people in summer cottages have begun to install combined fences, they protect the house well from thieves. They are united by prompt assembly, the possibility of fairly quick change, dismantling and moving the structure to another place, as well as a relatively low price in comparison with capital construction. Outside, pre-fabricated buildings are finished with metal siding, profiled sheets, linear panels. Metal siding is a classic form of cladding and is considered the ideal way to decorate industrial and commercial buildings. Profiled sheet is usually used with limited financial resources. Linear panels are also an economical cladding method that mimics façade cassettes..