If during the repair you plan to break old partitions with your own hands, then it is better to do this at the same time with other dismantling work. Having completed this stage, take up the installation of plumbing in all rooms intended for it (in t. h. In the kitchen block). Since it is necessary to breed hot and cold water immediately through all the blocks, it is worth preparing a communication plan in advance — it includes the location of all water and sewer pipes, t. To. They will need to be placed inside the walls (the exception is the central node to which you always need to have free access). For the finish of the bathroom should only be taken after the installation of all the necessary devices is completed. The bathroom is the most humid room in the entire apartment, because for its decoration it is better to choose a tile that is placed on both walls and on the floor. Experts recommend covering the ceiling with water -repellent paint. In the toilet it is not necessary to put tiles on the walls, you can, for example, stick washing wallpaper there.