Metal roofs, we do put them on, and will for you. There very many things to watch out for such as: Do not put metal roof directly on your shingle, because there is moisture already in your shingle and wood. You will just be smothering it and it will have no place to go. CALL us and to tell you more problems and what not to do. If you want a metal roof, please have a very very reputable company put it on for you.