The kitchen should be waterproof not only on the ground, but also on the wall, so the waterproof calculation of the kitchen needs to add the wall besides the ground. The height of the wall is often 180 cm, because considering the height of people and the height of water pipes. Of course, it can also be made lower, above the water pipe.
Generally, the height of waterproof wall should be 30cm high. For non-bearing walls, when the whole wall is waterproof, its basic waterproof height should be at least 1.8m high. The waterproof coating on the wall should have a height of about 30cm to prevent water from infiltrating into the wall to regain moisture. The waterproof height of the bathroom wall with shower room should generally be180 cm; ; There is a bathtub, and the waterproof height of the wall adjacent to the bathtub should be 30cm higher than that of the bathtub.
The kitchen should be at least 30 cm high, and the standard is 1.3 m high, and the bathroom 1.8 m low. After waterproof and drying, water will not leak around and downstairs as qualified.
Precautions for kitchen waterproofing
1, the gap between the wall and the ground. When the kitchen is waterproof, we should pay attention to the seam between the wall and the ground, and the seam between the upper and lower water pipes and the ground. These places are prone to problems. Therefore, special attention must be paid to these parts, and the treatment must be meticulous, and there must be no carelessness.
2, metope clean. Before waterproofing, the wall must be cleaned, and the coating thickness should be consistent to avoid leakage caused by uneven thickness of waterproof coating.
3. The waterproof end needs acceptance. The acceptance of waterproof construction of light wall should adopt "water spraying test", that is, use water pipes to spray continuously from top to bottom on the wall coated with waterproof paint for 3 minutes, and then observe whether the other side of the wall will penetrate after 4 hours.