The useful area of the house can be easily increased by using the space under the roof as a dwelling. As a rule, this gives an increase of 30 to 40% of the area of the first floor. For reliable thermal insulation of this space, during the installation of attic floors, the rolls of boards on the beams are laid on top of the beams, the ceiling is heated from the bottom, then it is plastered. Now for these purposes you can apply modern thermal insulation roller materials.
