The bathroom is waterproof, and the black skin is off, does it affect the waterproofing?

If it is not repaired or re-waterproofed, leakage will occur.

Waterproof check. The bathroom is closed for 24 hours.

After the hydropower renovation is completed, waterproofing will be done immediately. To test the quality of the waterproof effect, it is mainly through the closed water test.

The closed water test is usually carried out after the last application of the waterproofing coating for 12 hours, after the waterproofing coating is firmly bonded to the original structure of the base layer. The specific operation needs to seal the door and the drain, fill the bathroom floor with water to reach a height of 3-5 cm, and make a mark, if the water level does not drop significantly within 24 hours, especially the roof of the downstairs house does not leak, the waterproof is qualified. If the acceptance is unqualified, the waterproofing project must be redone as a whole and re-inspected.

Light body wall can be drenched with water test.

The waterproof acceptance of the lightweight wall should take the water test, spray the water pipe on the wall surface of the waterproof coating from top to bottom for 3 minutes, and observe whether the other side of the wall will permeate after 4 hours, if there is no permeability, it can be considered that the wall waterproof construction acceptance is qualified.