1. Base treatment: Generally, the base surface is carefully cleaned to remove floating dust, and cement agglomerates and loose base layers are removed; special treatment is applied to the roots, drainage holes, inside and outside corners, and voids left after the hydropower reform on the wall surface, and inside and outside corners are the area should be smeared in a circular arc (or V shape); the uneven, cracked part needs to be repaired and leveled.
 
2. Proportional allocation: Before construction, you need to know how to mix waterproof coatings, and what the proportion of demodulation is. If it is not proportioned, the formulated waterproof coating may not reach the original effect.
 
3.Brushing method: When applying the waterproof coating from bottom to top, wll first and then floor. The interval between the first pass and the second pass is preferably about 4-8 hours. After painting, it is applied under the premise that the waterproof layer is not sticky before the painting, and the brushing is applied twice before and after.

4.Painting height: the shower wall of the bathroom is 4500px high, and the non-shower wall should not be lower than 750px in principle. However, in order to strengthen the waterproof effect, it is recommended to achieve a uniform height of 4500px; for the light-weight wall or self-built wall of the bathroom renovation, it is recommended that the waterproof height be as high as the top.

5. Brush thickness: Waterproof coating must be brushed to the national acceptance specification of 1.5mm thick. After selecting the appropriate waterproof coating, it can be waterproofed.