There are signs of leakage around the bathroom ceiling drain pipe, no dripping, and the living room

Do you remove the old-fashioned squatting toilet when you make waterproofing during the renovation process? According to what you said, it should be the leakage caused by the squatting toilet, and the possibility of squatting toilet leakage is more, one is the leakage of the water inlet, especially when flushing, and the other is that it is not well connected with the sewer pipe, resulting in water leakage; >>>More

The causes of the water leak are as follows:

1. The reason for the leakage of the sewer pipe - the use of galvanized pipes is too long, such pipes are generally prone to water leakage in more than ten years, and they are usually rotten from the inner layer to the outer layer, and the rotten area we can break it only by hand. Generally, water leakage causes a large area of watermarks and even dripping water on the top floor slab of the lower floor. Users who use galvanized pipes are basically blocked by limescale in the dismantled old pipes, resulting in very small water pressure at home. >>>More

1. External treatment: Seal the toilet around, the water can't get in, and it won't seep out. >>>More

There are traces of water seepage around the urinal drain pipe (not ruptured) and it drips down the drain very slightly.

Judging from the picture, this is not condensation, the reason for the leakage of the drain pipe should be that the waterproofing of the upper drain pipe position is not done well, resulting in water seeping into your home through the gaps, you can contact the upper residents to re-waterproof the location.