Wooden floors are divided into single and double.

So that dampness does not fall into the room from the floor, it is necessary to build ventilation underground. To do this, in the corners of the room, opposite each other, they mount the grate in the floor. Wooden floors are divided into single and double. Trued boards of single floors are laid close to each other. Double floors are divided into: clean floor and black. For the black floor, they choose humps or boards with a thickness of 5-6 cm. After laying the black floor, it is covered with sand, then poured with a solution of lime and dried. After laying a clean floor and make ventilation holes