1、 Choose brand products with high popularity, good reputation, high degree of anti-counterfeiting and international quality system certification.

2、 Waterproof parts shall be comprehensive, and the basement floor and all walls shall be treated with waterproof and moisture-proof treatment.

3、 The thickness of waterproof layer shall be enough.

4、 The construction process should be meticulous: the joint between the wall and the ground, the internal and external corners, the surrounding of water pipes, floor drains and sanitary wares, and the trench where the cold and hot pipes are laid are the key waterproof parts.

5、 Closed water test after completion: after the completion of construction, seal the door and water outlet, store water indoors for 24 hours, and check whether there is any leakage point.

6、 If leakage is found, it shall be remedied in time.