Business repair is a serious matter. If you mean at least something in this matter, you can save on payment to the master. First of all, it is necessary to establish the degree of wear of worn and defectiveness of sewer and water pipes, the state of electrical wiring. Redevelopment can only be done with the permission of the relevant authorities. All materials with which you will work should be resistant to moisture. On the entire surface of the floor, make a concrete fill so as not to bother the neighbors in the future.
When installing electrical wiring, use a three -wire wire to mount grounding. Choose lighting, sockets and switches with a high degree of protection. The room in the room make a forced exhaust. About the quality of the pipes. Currently, preference is given to synthetic materials. For the water supply – polypropylene pipes, for the removal of sewer – polyhlorvinyl. It is better to install balls. At the entrance of the water pipe into the apartment, be sure to put the filter to avoid a breakdown of household appliances. Another important warning. Install sewer pipes at an angle of at least 5 degrees towards the drain. Avoid pipe turns at right angles. How to choose a boiler? Pay attention to the presence of a thermostat, since the pressure of water also depends on it. Its optimal volume is not more than 80 liters.