What causes the occasional dripping of water from the toilet roof?

It may have been when the steam beaded on the roof during the bath and then fell off.

The causes of water seepage are varied. There are also various ways to repair it, first of all, to find the source of the seepage, and his path. Then it is necessary to formulate the corresponding plan according to the actual situation.

Select the appropriate materials, organize the personnel to carefully construct, and of course repair from below. But it must be scientific and reasonable.

There are three forms of seepage water leakage in buildings: gravity infiltration, dynamic infiltration, and capillary infiltration. Of course, the situation in your home belongs to gravity infiltration. The length of time for water to infiltrate is directly proportional to the path of water infiltration.

If the bathroom floor of your home is waterproofed well, it will seep down to get water, and the water level will increase over time. The water will be adsorbed by the wall, and its capillary penetration head. In the test can reach more than 2 meters, many homes with toilets, toilets, kitchens collar walls, baseboard paint, paint peeling, mold are capillary penetration in action].

It is recommended that you use the cofferdam method at the mouth of the floor drain to conduct a closed water test to observe the phenomenon downstairs.

I've touched this thing, and at that time, I had to use an umbrella to go to the toilet,,, depressed, so I could only ask someone to fix it, and if it didn't work, I used a larger plastic bag to put it in the place where it would drip. . . .

Iron, gallium, and

It's the toilet of your upstairs resident that is seeping water, and the toilet leakage prevention measures are not done well.