The concrete steps of painting the wall of an old house after polishing.

After living in the house for a long time, all aspects of the wall are often prone to aging, and there will be problems such as wall falling off. At this point, the wall needs to be polished again and then painted, so what are the specific steps of the painting method after the wall is polished? The painting methods of wall paint mainly include inspection and cleaning, painting interface agent, scraping putty for leveling, polishing and repairing, and painting.

1. Inspection and cleaning of wall surface after polishing and painting. Before the wall is polished and painted, it is necessary to comprehensively check the damage on the wall, and then determine the construction steps according to the degree of damage. In addition, the wall base should be treated, the damaged old wall should be removed, and the stains and dust on the wall should be cleaned up in time.

2. After the wall is polished, brush the interface agent for painting. If the adhesion of plastering mortar to the wall is insufficient, the wall will be empty or shelled. At this time, it is necessary to repaint the interface agent with strong adhesion on the wall, which not only increases the adhesion of the wall, but also has waterproof function, but the correct method must be adopted in the operation process to avoid damaging the wall.

3. The leveling and leveling of putty for painting after wall polishing is a very important link for wall polishing and painting, because these steps can make the wall more flat and smooth. The standard error of putty leveling should be within 5 mm If you want putty to be effective, then choosing the right putty is the key. When buying putty, you should choose putty with high quality and hard texture. In addition, putty generally needs to be scraped three times before the next step of construction can be carried out, and the total thickness cannot exceed 3 mm

4. The wall surface is plastered, polished, repaired and polished, and then putty is scraped. Some parts of the wall surface are still rough. At this point, it needs to be sanded and then repaired. When choosing sandpaper, please choose it according to the texture hardness of putty, which is used to polish and paint the wall.

5. Painting after wall polishing The wall polishing and painting are divided into two parts, one is to brush the primer, and the other is to brush the topcoat.

There are five specific steps in wall polishing and painting. If you do every step well, the wall will be beautiful.

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