Whether it is the decoration of a new house or the partial renovation of an old house, the waterproof drainage of the bathroom is a key detail in the decoration. Therefore, it is very important to do a good job of waterproofing in the early stage of the house, what problems will occur if the waterproofing is not done well? And how do you test it?
The consequences of not doing a good job of waterproofing
As a basic project, if the waterproof project is not done well in the early stage, the rectification project in the later stage is large, time-consuming and laborious, and the cost is high.
1) Water seepage on the wall
The waterproofing of the bathroom wall is not done well, and once you take a shower, the permeability of the water will lead to water seepage on the wall. Starting at the root of the wall, it gradually spreads to the entire wall.
2) The adjacent walls and floors are soaked in mold
If the waterproofing project is not done well, the toilet consumes a lot of water, and in the long run, the water vapor will penetrate into the adjacent rooms, and the walls and floors are easy to mold and rot.
3) Destroy the downstairs ceiling
Waterproofing is not only a problem at home, it is likely that neighbors will come to the door. The waterproof layer of the bathroom floor is not done, and the water leaks to the downstairs ceiling, not to mention the loss of money for maintenance, and it also affects the feelings of the neighbors.
Waterproof practices
The bathroom waterproofing is not done well, and everyone has seen the seriousness of the problem, so what are the standard requirements in the waterproof construction?
1) Grassroots treatment
When the bathroom is backfilled, it should radiate to all sides with the floor drain or squatting as the center to find the slope. Before waterproof construction, it is necessary to do a good job of cleaning to remove cement agglomeration and floating dust on the surface of the base layer, so as to be solid, clean, no obvious water stains, and no falling objects.
2) Painting method
The waterproof coating should comply with the painting method from bottom to top, first brushing the wall and then brushing the floor. The interval between the first and second coats is between 4-8 hours, and the next coat is applied without sticking to the waterproof layer, and the two coatings before and after are best in the direction of the cross.
3) Painting height
The wall treatment should be made with a waterproof paint about 30cm high to prevent water from penetrating the wall and preventing moisture. If the bathroom has a shower room, the waterproof should be 180cm, and if there is a bathtub, the waterproof height of the wall adjacent to the bathtub should be 30cm higher than the bathtub.
4) Brush thickness
The thickness of the waterproof coating is required to be 1Above 5mm, it cannot be determined by the number of passes. The pipe root and the reinforcing layer at the corner of the wall are brushed first, and after the surface is dried at room temperature for 4 hours, then a large area is brushed and scraped, and there shall be no leakage and bubbling.
5) Waterproof test
After the waterproofing construction of the toilet is completed, a closed water test should be carried out to check whether the waterproof treatment meets the requirements. Block all the drain in the bathroom, build a 25cm high "barrier" at the door, and then pour 20cm high water into the bathroom.
After 24 hours, check the walls and floors for leaks. This waterproofing test is the key to ensuring the quality of waterproofing projects in the bathroom.
How can I see if there is a problem with waterproofing?
If there is a waterproof problem at home, the sooner you deal with it, the better, how to find the waterproof problem from the details?
1) The interior walls of the bathroom are damp and waterlogged
There is no problem with waterproofing, the wall in the dry area will not be damp and waterlogged, once this happens, you need to check whether there is a problem with waterproofing.
2) Water seepage on the exterior wall of the bathroom
If the water seepage is further aggravated, it will spread to the exterior wall of the bathroom, and water traces will appear first in the corner of the wall.
3) The adjacent wall is moldy and yellow
If the wall is moldy and yellow, the ceiling is peeling off, and it spreads all the way from the direction of the bathroom, it proves that the problem is likely to be in the waterproofing of the bathroom.