You’ll see why as we discuss the benefits and drawbacks of each type of metal roof. Steel and aluminum lead the way as the most common metal roof materials. With the exception of tin, which is seldom used today and mainly just another way of referencing steel roofing, each of the previously mentioned metals is common in roofing. What Types of Metal Roof Material Are Most Common? The types of metal used for roofing primarily include: There is a lot of variety and differences among the types of metal used for roofing today. So, what are metal roofs made of? It all comes down to what type of metal or metals are used. There is a lot to metal roofing, including the materials used to make the roof. They are also a green roofing solution as they can be recycled, and some metal roofing is even composed of already recycled materials. Metal roofs typically last a long time and offer tremendous protection from the elements. There are a lot of good reasons to consider a metal roof for your home or business.