1. Have a good communication with the master

Eliminate the waterproofing of developer, and prevent the later waterproofing failure caused by the waterproof shedding of developer.

2. Communicate well with the master

Waterproof height: shower area 1.8m, washing area 0.7m, dry area above 0.3m..

3. Communicate well with the master

Waterproof should be brushed horizontally and vertically (brush it for the second time when it is dry), so that the gap can be filled more evenly.

4. Communicate well with the master

The threshold should also be painted with waterproof walls, and the ground should be both rigid and soft.

5. Communicate well with the master

Make a leveling with cement mortar, and then clean up the ground.

6. Communicate well with the master

Floor drains, sewage pipes, toilet roots, corners of yin and yang corners are brushed and blocked, and fiber cloth is attached to dry naturally.

7. Communicate well with the master

After the waterproof is dry, do a closed water test, the water injection height is 20cm, and there is no leakage for 24 hours.

8. Communicate well with the master

After the closed water test, do a good job in waterproof protection, and don't step on the waterproof layer.

9. Communicate well with the master

After brushing waterproof, it should be cured with clear water after being dry and not sticky, and the water flow should not be too large. Spray water 3-4 times a day for 2-3 days.

10. Have a good communication with the master

After the backfill is dry, brush it again for waterproofing.