The walls and ceilings of the room are sheathed with lining, plywood or chipboard panels and fiberboard. If necessary, it is necessary to make insulation, while it is necessary that the roof in this part is with a continuous crate. Fire materials are necessarily used. The walls of the room are performed using the existing under -line racks on which the crossbars are attached. Niches formed on both sides of the room must be used to create built -in furniture. They can be turned into cupboards for trifles or book shelves.