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Polyurethane coatings are widely used in bathroom waterproofing

by:KingKonree     2021-05-09

The waterproof problem of the bathroom is the focus of attention of the waterproof industry and the owners. Generally, the leakage of the bathroom is the problem of the detailed structure of the building. The three places of floor drain, wall corner and pipe root are easy to appear due to the many interfaces. Cracks, so these 3 places are generally more prone to water leakage. In addition, if the connection between the bathtub drain and the drain pipe is not tight, it is easy to produce gaps and leak water.

The waterproof material should choose one-component environmentally friendly polyurethane coating, which is currently the waterproof material recommended by the Ministry of Construction. Because the paint can tightly wrap the pipes and the ground, penetrate into the gaps, and will not shrink after drying, it is more suitable for use in small-area houses with pipes and gaps in the bathroom than rigid materials such as waterproof cement. When buying this kind of paint, you should choose brand paint, and the material cost per square meter is also very reasonable. At present, many domestic polyurethane coating manufacturers have their own construction teams, and they are required to provide professionals when purchasing coatings.

In order to make the waterproof period longer in the future, the paint generally needs to be brushed three times. In order to let the paint fully dry, it is not possible to choose to do it in rainy or humid climates. Generally, the dry-out period of one-component environmentally friendly polyurethane coatings is about 3 to 4 days.

Counting the one-component environmentally friendly polyurethane coating, the cement layer covering the coating and the surface tiles, the materials used per square meter generally do not exceed 400 yuan. In this way, for a bathroom with a size of 5 square meters, it will cost about 2,000 yuan to re-waterproof, and the bathroom facilities that need to be reconfigured, such as bathtubs, are calculated separately.

After the waterproof construction is completed, all sewers in the bathroom should be blocked, and a 'low wall' should be built at the door of the bathroom for a water injection test. The water injection height is about 20cm. Check after 24 hours. If there is no leakage on the surrounding walls and floor of the bathroom, the waterproof quality of the bathroom is very good. On the contrary, it is necessary to find out the leaks and repair them.

The wall should also be waterproofed. In order to achieve a better waterproof effect, the wall of the general bathroom also needs to be waterproofed about 30cm high to prevent the accumulation of water from bleeding through the wall. On the wall adjacent to the bathtub, the height of the waterproof treatment is also higher than that of the upper edge of the bathtub.

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