In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Roof
If the roof of your house is well-made and strong then you will have peace and happiness at home, but if it’s dilapidated then expect difficulties. If you repair the roof then you will find a solution to matters of concern to you.