The corridor on the third floor and the fourth floor thought, is it okay to make a bathroom?

To do waterproofing, you need to do it on the surface of the water, and you can do it yourself. >>>More

Let's see if the sewer is blocked, and the master who used to decorate poured the leftover meals into it, and he was really convinced.

Without the leak being found, it is impossible to determine who is responsible. Let him prove it!

No problem, yes, as the saying goes, the compartment is like the next day. If you want to pay attention to the current city floor, how to prevent it?

Residential houses are generally purchased by the owner, and the main pipes (risers) for water supply, drainage, and water belong to public facilities, which are maintained by the property department to which they belong, and the horizontal pipes are branched, and who uses them is responsible, that is to say, the water in the pipeline belongs to whoever owns it, which belongs to the special pipeline facilities.