The walls in the frame house, in addition to the supporting function, also perform insulation functions. Warming material is laid in the walls of the walls between the beams. This should be done depending on the construction technologies before external trim is made. First, a vapor barrier is installed, then the insulation is mounted, it is attached between the guide beams. Next, another layer of vapor barrier is attached, after which external trim can be carried out. The thickness of the insulation layer completely depends on the climatic conditions of the area, but it cannot be less than 15 cm. The most optimal for the middle lane will be 200 mm. width.