Minimum thickness of the concrete floor — 5 cm.

Next, it is necessary to lay the thermal insulation material (polystyrene, isuver), then cover it with another layer of vapor barrier and begin to reinforce the screed. It is necessary to lay a metal mesh along the area of ​​the room and using the wire to knit its sheets among themselves. When this work is done, you can start filling the screed. Minimum thickness of the concrete floor — 5 cm. After drying out to fully strengthen the upper layer, it is advisable to open it with a layer of special primer, on which any decorative flooring can be covered in.