Dreaming of damp walls is a warning sign as per dream meaning and interpretation. The dream means you are still ignorant about a problem in your life. You need to be more careful and cautious about your actions.
Dreaming of damp walls and if you are able to recognize it or belongs to your building or home it means trouble due to collapse or accident. It also means you need to make sure all your assets are intact.
Dream of damp walls and your happy or thrilled means you will find a solution to a huge problem in life and you will be able to remove it forever.
Dreaming of damp walls in an unknown place means you just need to push a little harder to overcome obstacles. Do not give up is the meaning of the dream.