No matter how beneficial your roof may be, it will end up useless if it is hard to install in your home. Metal roofs are guaranteed to cause no hassle in terms of installation. They usually come in multiple shingles or panels. Not only that, they also cost less because they are relatively lighter in weight as compared to other types of roofing materials. Other models are also easily installed on top of an existing roof without having the need to increase the amount of materials that can be used for support.