The toilet kitchen wall is painted waterproof, and the bricks are paved, how can it be hollow

Safe and environmentally friendly waterproof materials are preferred. The traditional waterproof material requires the moisture content of the construction base surface to be less than 9%, and the kitchen and bathroom are relatively wet, and it is difficult for the building to reach the requirement of dropping the base surface, and it is very easy to appear after the construction of the waterproof layer and the base surface to separate the "two skins" phenomenon, thereby losing the waterproof effect. It is recommended to use mortar waterproofing agents. >>>More

Start by brushing the moldy wall with a toothbrush.

Second, then prepare a rag. >>>More

Even if the kitchen does not use waterproof coating, the bathroom also needs to use waterproof coating, the bathroom is very humid, and it is best to coat a layer on the ground and wall.

First, how well do you do your waterproofing layer? It will not be flaky or the light will not be smooth. >>>More

It depends on how often you use it and how tolerant you are. >>>More