Types of Metal Roofs: Aluminum

Types of Metal Roofs: AluminumAluminum is an affordable and extremely lightweight roofing material. It can be used either painted or unpainted; regardless, it will need a finish. Aluminum has a high coefficient of expansion, causing some thermal movement. Like steel, aluminum has a high strength-to-weight ratio. In addition, this material has excellent corrosion resistance and is ideal for coastal environments.http://www.ultraseam.com/