If it is necessary to replace the floor tiles in the bathroom, the ground must be leveled with cement mortar before waterproofing.
This can avoid leakage caused by uneven thickness of waterproof coating.
2, the joint should be painted in place.
The joint between the bathroom wall and the ground and the joint between the upper and lower water pipes and the ground are the most prone to problems.
3. Wall treatment is also very important.
General toilet waterproof treatment, also want to do about 30 cm high waterproof coating on the wall, to prevent water infiltration from the wall.
But if the bathroom wall is a non-load-bearing lightweight wall, it is necessary to coat the whole wall with waterproof paint.
4, waterproof experiment must be done.
After the toilet construction is completed, all the sewage in the bathroom will be blocked, a 25 cm high "ridge" will be built at the door, and then 20 cm high water will be poured into the bathroom.
5. Keep the water flowing smoothly.
All sewer pipes in the bathroom, including floor drain and sanitary ware sewer pipes, should be kept unobstructed.