What department is responsible for the maintenance of water seepage in the exterior wall, roof and bathroom of the house?

Water leakage on the external wall of the house: \ x0d \ x0d \ If it is within the warranty period (5 years), the property will notify the construction unit for maintenance. \x0d\ For more than five years, the property can be repaired by contacting the maintenance unit; You can also arrange your own maintenance. \ x0d \ x0d \ Roof leakage depends on the causes of leakage. Due to the upstairs decoration, the upstairs is responsible for the maintenance, and compensate for the losses according to law; If it is caused by housing quality problems, the developer is responsible for maintenance and compensation for losses. \x0d\ Solution to house water leakage: \x0d\ First, check the causes at the most serious position and analyze the specific causes of water leakage. \x0d\ 1。 The outer wall leaks. Then we must find a property to solve the problem, because it is very troublesome to repair the leakage of the external wall. The bathroom, kitchen and balcony are leaking, that is, the waterproofing is not done well. The floor tiles or caissons in the bathroom must be removed, leveled again for waterproofing, and then tiled. Be careful not to scrape off the waterproof layer. There is also the need to pay attention to the waterproof interface position between the ground and the wall, and try to brush it up. Don't just brush the floor. 3. If the water pipe leaks, it is necessary to find out where the water pipe is broken, find out the completed drawing of the original water and electricity laying, find out the direction of the water pipe by comparison, then find out the leaking position, dismantle the floor tiles in a small area, and repair the water pipe again. After the water pressure test, if there is no problem, you can re-paste the brick. (note that it is best to have extra floor tiles. If there is no suggestion to make them bigger, only one or two tiles will be ugly. ) \x0d\ In short, according to the actual reason of water leakage, whether it is waterproof or water pipe seepage, analyze the specific problems and then determine the repair plan. Don't do it blindly.