1. Use a shovel to eradicate it thoroughly. The cleaner you shovel, the longer it will take. Also eradicate any areas that begin to spread around the area.

2. Use oxalic acid. , if you can’t find bleach, you can use it. The water ratio is one part bleach to three parts water. Use a sponge or the like to thoroughly wet the cancerous part of the wall to produce the most basic acid-base neutralization

3. After drying for half an hour to one hour, apply a layer of moisture-proof primer. The drying time is two hours

4. Just use cost-effective putty paste, because it is available on the market. There are very few small bags of putty, and it is too troublesome to stir. It is better to use putty paste directly and level the wall where it was removed

5. After drying for two to three hours, use sandpaper to polish it. In this case, then Using an alkali-resistant primer and a better topcoat can solve this problem. If the walls of a newly renovated house become peeling, chalky, or peeling after not being in it for a long time, the owners will definitely feel a lot of trouble. They will complain about the poor paint or the sloppy work of the construction workers. But you may not know that the root cause of peeling, chalking, and peeling of the wall is not the surface coating and construction level. The key lies in the dryness of the wall base and the pH of the wall itself. It is not easy to find this problem in the early stage of construction. Generally professionally called wall cancer (or wall cancer), the specific solutions are as follows: 1. Use a shovel to completely eradicate it. The cleaner you shovel, the longer it will take. Also, eradicate the surrounding areas that start to spread.

2. Use oxalic acid. If you can’t find bleach, you can also use bleach. The water ratio is one part bleach to three parts water. Use a sponge or the like to thoroughly wet the cancerous part of the wall. , to produce the most basic acid-base neutralization

3. After half an hour to one hour of drying, apply a layer of moisture-proof primer. The drying time is two hours

4. Just use low-cost putty paste, because there are few small bags of putty on the market, and mixing it is too troublesome. It is better to use putty paste directly and level the wall where it was removed

5. Two to three hours After drying, use sandpaper to polish. In this case, using an alkali-resistant primer and a better topcoat can solve this problem. If the walls of a newly renovated house become peeling, chalky, or peeling after not living there for a long time, it will definitely cause a lot of trouble to the owner, who will complain about the poor paint or the sloppy work of the construction workers. But you may not know that the root cause of peeling, chalking, and peeling of the wall is not the surface coating and construction level. The key lies in the dryness of the wall base and the pH of the wall itself. It is not easy to find this problem in the early stage of construction. Generally professionally called wall cancer (or wall cancer), the specific solutions are as follows: 1. Use a shovel to completely eradicate it. The cleaner you shovel, the longer it will take. Also, eradicate the surrounding areas that start to spread.

2. Use oxalic acid. If you can’t find bleach, you can also use it. The water ratio is one part bleach to three parts water. Use a sponge or the like to thoroughly wet the cancerous part of the wall. , to produce the most basic acid-base neutralization

3. After half an hour to one hour of drying, apply a layer of moisture-proof primer. The drying time is two hours

4. Just use low-cost putty paste, because there are few small bags of putty on the market, and mixing it is too troublesome. It is better to use putty paste directly and level the wall where it was removed

5. Two to three hours After drying, use sandpaper to polish. In this case, using an alkali-resistant primer and a better topcoat can solve this problem. Hope my answer can help you!