Bathroom bathtub leaking

It depends on whether the 3rd floor bedroom is moldy near the top or near the bottom of the ground. If it is moldy near the top, it is basically caused by water leakage in your bathroom, and if it is moldy near the bottom, it is caused by water seepage in his own bathroom.

There are generally two reasons for water leakage in the bathroom, leaking water pipes or leaking water in the gaps of floor tiles.

If the water pipe is leaking, it is necessary to knock out the tiles to repair the water pipe and then restore the surface.

If it is not a leakage of water pipes, it is caused by the leakage of water in the floor tile gaps inside the bathroom, which is not very difficult to deal with, no need to knock on the tiles, directly use Shu Yu waterproof kitchen and bathroom special invisible waterproof liquid can solve the problem, the construction method is simple, you can do it yourself.

According to the description, it is basically caused by your family, negotiate and deal with it, it is not difficult, find a professional, and the cost is not expensive.

There may be plumbing or waterproofing problems, stop for a few days without water to see if it will be better