What does it mean that the toilet waterproof has been tested for 12 hours by water accumulation

After the bathroom is waterproofed, it needs to be thoroughly dried, so that it can do the closed water test, you can contact the residents downstairs in advance, so that the leakage can be informed in time to avoid unnecessary losses of the downstairs residents When doing the closed water test, the depth of water storage can not be less than 20 cm, and the time can not be less than 72 hours, and the water level does not fall is qualified.

The waterproofing is not done well, or when testing the water, the water is too full, beyond the waterproofing, the wall is dry, the water vapor is absorbed, and the wall is wet, and the concrete will absorb water after six months of solidification.

There is no strict requirement for the height of the water test, cover the mouth of the sewer pipe, and it is almost two centimeters above the ground. Keep it for 24 hours, and see that the top surface of the downstairs is not leaky. ，

It is best to knock off the tiles and redo the waterproofing, because you don't know where your mistakes are, which will leave hidden dangers, and you must not make up. In the past, some people also used glass glue to caulk and make colorless and transparent waterproofing on the tiles (like a latex white film after brushing), which can only be managed for a period of time. Therefore, I advise you that long pain is better than short pain : >>>More

Now the bathroom waterproofing is basically used, waterproof coating: polyurethane waterproof coating, waterproof membrane: polymer self-adhesive waterproof membrane, cross membrane waterproof membrane. Polypropylene cloth is not recommended because it has little crack resistance. It will be easy to leak now.