Lay the

Then you can proceed to work, that is, you need to measure the surface with the rule for irregularities, up to 2 mm is allowed. After that, mastic is applied to the surface of the wall and tiles, after the outflow of 5 minutes, the polystyrene is laid on the surface. You can lay the tiles on a satisfied order, this will significantly save on waste. For sawing, a hacksaw is used, and to make holes — drill.