How can a metal roof save energy?
Many conventional roofing materials, asphalt shingles, for example, absorb energy from the sun. Metal, on the other hand, reflects most of the sun's rays. At day's end, metal also cools more quickly. As a result, the attic space remains cooler, as does the living space below. Conventional roofing materials tend to absorb and retain heat, therefore requiring more energy to maintain a cooler living space.