The correct way to fix a wall in poor condition is as you see it in the video. So you can also fix damp wall. After applying the antihumidity product, you must let it dry well and then proceed to apply the stucco. This is the technique to cure damp walls.
You can never paint peeling wall without first doing what I did in the video
Become a member of this channel to enjoy benefits:
/ @estucodrywall