How to solve the problem of damp basement?

The basement is humid, so we can solve this problem with special moisture-proof liquid, and we need to prepare a watering can and moisture-proof liquid. The specific operation steps are as follows:

1. First, open the window for ventilation and drying before spraying moisture-proof liquid.

2. Prepare a watering can and moistureproof liquid in advance, which are usually available in hardware stores.

3, the first thing to spray is the corner, the corner is the focus of construction.

4. The next thing to be sprayed is the wall.

5. After the construction is completed, you can see the comparison before and after the construction three days later.