Particularly time-consuming are in rooms with unusual configurations. Most jobs require dismantling old surfaces, aligning walls and utilities and laying the tiles. Not everyone knows that building materials can shrink over time and absorb moisture. However, according to our experts, the appearance of the tile is 80 percent dependent on how smooth the base is. Therefore, only specialists should deal with tile laying to make sure the seams are even and the geometry neat and outwardly attractive.