Grassroots repair
The ribs on the base are not sharpened, and the uneven parts need to be filled with putty to fill the flat.
Coating construction
Check the surface putty during the construction of the paint should be firm and firm, and must not be chalked, peeled and cracked. After the putty is dried, it should be smooth and smooth and cleaned.
Penetrant construction
roller coating with short-haired rollers, uniform roller coating, surface drying may leave roller marks. This is a normal phenomenon. Under the condition of temperature not lower than 15 °C, natural drying for more than 12 hours can be used for primer construction.
Primer construction
After the penetrant is dry, the primer is applied with a short-haired roller. During the roller coating process, it does not penetrate the bottom, does not sag, does not show the brush pattern, and naturally dries for 12 hours under the condition of temperature not lower than 15 °C. The above can be used for topcoat construction.
Topcoat construction
Under the condition of temperature not lower than 15 °C, use short-hair roller construction to ensure that the roller coating process does not penetrate the bottom, does not sag, and does not show the brush pattern. Do not dilute with water during the application process. The secondary application must be carried out after the coating is dry. After the curing, the secondary coating cannot be carried out. The interval should be controlled within 1-2 hours. (The surface is not sticky, the film can be scratched)