Aluminum roofing is fabricated in sheets that connect together to cover the roof of a building. It is the lightest metal available for roofing and has a high strength-to-weight ratio—which makes it an ideal choice for roofing over existing shingles. Because it’s more malleable than steel, it can be shaped into more complex forms. Aluminum roofing stores very little heat and it cools quickly once the sun goes down. Aluminum roofing panels are available in a wide range of colors to work with virtually any design palette.