Hide the floor

The concrete screed on which the plywood sheets will be laid should completely dry, if condensate is deposited on it, then your plywood will simply rot. It should also be cleaned of dust, dirt and well -discouraged. Plywood sheets usually have a size of 125*125, but for greater convenience it is better to cut them into 4 parts to make squares 60*60. It is more convenient to mount them, and they hide the floor changes more successful. Lay out the plywood sheets along the entire perimeter of the surface. Remember that the gaps (about 10 mm) should remain between the sheets, and the plywood sheets should not be laid close to the wall! Between them you need to leave a distance of up to 20 mm!