What if the weather is wet and the walls are moldy?

There are not many ways to solve the mildew of the wall. Now introduce a simple method:

First blow dry the small area with slight mildew on the wall with a hair dryer. Then brush off the mildew spots with a soft brush, or gently wipe with a wet rag to remove the mildew spots.

2. For serious mildew and large-area mildew spots, the following methods are adopted for construction: dry the moldy parts now, and then polish them with sandpaper. If there is delamination, level it with a shovel. The uneven ones need to be repaired. It can also be completely carved from the roots. Then apply preservative, and then paint waterproof. Finally, the repair is completed.