Five Requirements of Exterior Wall Coatings

Exterior wall paint is the protective layer outside the building, which has decorative and protective effects. The quality of exterior wall coatings directly affects the appearance and service life of buildings. The following will introduce the five requirements of exterior wall coatings.

Haode decoration

The exterior wall coating is required to be rich in color and excellent in color retention, and can maintain its original decorative performance for a long time.

Good weather resistance

Exterior wall coatings are exposed to the atmosphere and are vulnerable to wind, sun, salt spray corrosion, rain, cold and hot changes, etc. Under the long-term repeated action of these external natural environments, the coating is easy to crack, powder, peel and change color, which makes the coating lose its original decorative and protective functions. Therefore, it is required that the coating of the external wall will not be damaged within the specified service life.

Good stain resistance

Due to the great differences in environmental conditions in different regions of China, for some cities with developed heavy industry and mining industry, there are more suspended substances such as dust in the atmosphere, which will make the paint that is easy to be polluted lose its original decorative effect and thus affect the appearance of buildings. Therefore, the exterior wall coating should have good stain resistance, so that the coating is not easy to be polluted or easy to clean after pollution.

Good water resistance

Exterior wall paint finishes are exposed to the atmosphere and are often washed away by rain. Therefore, exterior wall coatings should have good water resistance.

Good mildew resistance

Exterior wall coatings are prone to mildew in humid environment. Therefore, coatings are needed to inhibit the propagation and growth of molds and algae.