Wait for an answer! There are traces of water seepage on the roof of the downstairs bathroom.

If the downstairs reacts.

There is no problem before, but there is a sudden leakage, and continuous dripping, the probability is that the water pipe answer, angle valve, toilet and other problems caused by the sudden increase in the amount of water, the waterproof layer is broken (the waterproof layer is not able to prevent the water of the water pipe), and then pressed into the cracks of the floor slab, and pierced the floor slab, to the downstairs ceiling. >>>More

Obviously your home is leaking, if you have a water pipe buried in the kitchen and bathroom, it is difficult to investigate and deal with the leakage, remember well, the kitchen and bathroom underground, especially the place where there is a heavy object on it, whether there is a water pipe joint, if it is tap water seepage, this may be the most likely, this joint leakage, often a drop by drop leakage, very slow, so you can't feel it at all. >>>More

If it is the former, it is estimated that the sewer pipe is leaking or the sewer pipe is blocked, and the latter should be analyzed on a case-by-case basis to see whether it is necessary to redo the waterproofing, more information, better advice, free professional technical advice on concrete waterproof leakage water repair, so as to avoid the trouble of repairing today, leaking tomorrow, repairing every year, and leaking every year.

It does not mean that there is no problem, it is recommended that you and the upstairs are looking for a professional decoration company.

Maybe your line pipe walked through the upstairs bathroom and underground, and the line pipe broke at that location.