I would like to ask about the reason for the leakage of the bathroom door, the crack of my bathroom

1. Check the pipes for water seepage. Mainly up and down the water in the part below the waterproof 2 most likely The water is the faucet should be 1 meter above the ground, and you are waterproof up to 1 foot like that, depending on whether your water pipe is empty behind the tiles, you use the water pipe, and he will flow down the water pipe to the waterproof. >>>More

1. Check the pipes for water seepage. Mainly up and down the water in the part below the waterproof. >>>More

I have helped you determine that the kitchen and bathroom of the upstairs neighbor are leaking, and the strength and density of the mortar used in this reserved hole are not waterproof enough.

Leaking pipes cause water seepage on the walls.

Water seepage on the wall caused by leaking pipes is a relatively common cause. You can look at the construction drawings and check the direction of the water pipes at home. If there is a water pipe at the location of the water leak. >>>More

You should first talk about the general situation of water seepage in your bathroom, let everyone analyze it for you, and now you ask people to tell you the reasons, and people will tell you dozens of reasons, and you still don't understand it.