1, during construction, the construction personnel must ensure that the wall foundation is completely dry before painting the wall. Conditional should use professional instruments to determine the moisture content of the wall, and then carry out construction after reaching the standard.

In addition, if the wall is difficult to dry due to high humidity and high temperature, a dehumidifier can be used as an aid to speed up the drying of the wall. Treatment method of wall surface not easy to dry. Summer is very easy to produce the illusion that the wall is dry.

2. Pay attention to saving paint. Paint is flammable, and the temperature is high in summer. Improper storage can easily lead to fire. Therefore, the paint should be stored in a cool and ventilated place in summer, and the sealing of the storage container must be good. Also stay away from open flames and wire sockets to avoid sparks igniting paint. It is usually recommended to use the purchased paint within one month.

3. When hanging putty, the water vapor on the wall should be wiped clean with a dry cloth, and try to keep the wall dry, which is beneficial to wall painting. Extend the drying time of wall putty. Before wall painting, putty needs to be scraped, which generally takes 1-3 times, during which the normal drying time is 1-2 days. In summer decoration, it is advisable to extend the time for putty to dry thoroughly as much as possible, generally 2-3 days. Because the weather is hot and humid in summer, especially when heavy rain comes, the putty will dry for a longer time.

4. Paint the walls to avoid rainy days. Wall painting in summer should be avoided in high humidity or rainy weather. Because during construction, the wall foundation is wet, and the paint is brushed before it is completely dry, moisture permeates the paint surface, making the paint film lose its adhesion, resulting in the wall protruding into a drum shape.