What materials do the bathroom use for waterproofing?

The leakage of water in the bathroom is caused by the detailed construction of the building. Floor drains, corners, and pipe roots are often exposed to cracks because of the large number of interfaces. Therefore, these three places are generally prone to seepage water. In addition, if the connection between the bathtub spout and the sewage pipe is not tight, gaps are likely to occur and leakage of water occurs.
Waterproof materials should be selected one-component environmental protection polyurethane coatings, which is the current waterproof material recommended by the Ministry of Construction. Because the coating can tightly enclose the pipe and the ground, penetrate into the gap, and does not shrink after drying, it is more suitable than a rigid material such as waterproof cement, which is more suitable for a small-sized house with more gaps in the bathroom. When buying this type of paint should choose brand paint, material costs per square meter of about 50 to 60 yuan.

It is understood that some domestic brands of polyurethane paint manufacturers have their own construction team, the public can purchase paint at the same time, require manufacturers to provide professionals.

In order to make the waterproof period longer in the future, the paint generally needs to be brushed 3 times. In order to allow the paint to fully dry out, it is not possible to choose to conduct it in rainy or humid climates. The dry period of general one-component environment-friendly polyurethane coatings is about 3 to 4 days.
Including the one-component environmental protection polyurethane coating, the cement layer covering the coating, and the facing brick, the material consumption per square meter will generally not exceed 400 yuan. In this way, a bathroom of 5 square meters in size, re-waterproof about 2,000 yuan, bath and other bathroom facilities need to be re-arranged.
After the waterproof construction is completed, all sewers of the toilet shall be blocked and a “low wall” shall be built at the entrance of the bathroom for water injection test. The height of water injection shall be about 20cm. After 24 hours inspection, if there is no leakage around the bathroom wall and the ground, the waterproof quality of the bathroom is very good. Instead, find the leak and perform repairs.

The wall should also be waterproof. In order to achieve a better waterproof effect, the general bathroom wall should also be about 30cm high waterproof treatment to prevent stagnant water through the wall. The wall adjacent to the bathtub is also higher than the upper edge of the bathtub.

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