Overhaul provides for the replacement of the floors. But before laying linoleum, parquet or any other flooring, it is necessary to prepare the base. Before starting to align the floor, it is necessary to dismantle the old Polol. Remove the old flooring and clean all the garbage. Also, finishing work in the room should be carried out and the installation of the entire electrician of the room, including the installation of warm floors. Now you can stop the installation of the screed. At the moment, there are several types of alignment of floors. The three main types of screeds are: cement-sand or concrete, self-leveling and of course dry screed.