Test standard for waterproof and closed water of decoration

The standard of waterproof and closed water test for decoration is that the closed water test can only be carried out after the paint is completely dried for 48 hours, the highest water level is not less than 2cm, and the closed water time is not less than 24 hours and should not exceed 48 hours.

1 What are the requirements for waterproof and closed water test specifications? If you want to do waterproof closed water test, first block the floor drain and pipeline at the test site, then make a water stop with yellow mud and cement mortar at the door about 25 cm high, and then drain it to the ground, and keep the drainage height above 20 cm.

2. Wait more than 24 hours. If the experiment is carried out in winter, it will take 48 hours. During the closed water test, the height of groundwater level should be carefully observed to see if there is a significant decline. In addition, you need to go to the user's home downstairs to check in detail to see if there is any water leakage in the ceiling.

3. If the water level drops significantly, or there is leakage at the ceiling, the closed water test result is unqualified, indicating that the pipeline construction quality is unqualified and needs to be rectified. If leakage is found in the ceiling downstairs, users should waterproof the bathroom floor again and re-lay the floor tiles.

4. After the floor tiles are laid, users need to conduct waterproof and water-closing tests again. If the water level does not drop significantly during the waterproof closed water test and there is no leakage from the ceiling downstairs, the waterproof closed water test result is qualified.

5, if you want to waterproof closed water test, must wait for the ground waterproof layer completely dry before you start, otherwise it will affect the test results. In addition, it is best to carry out the closed water test with the property staff and downstairs users. When the waterproof and closed water test results are qualified, the three parties shall sign the acceptance report.