What Is Metal Roofing? If you're thinking about a new roofing for your house, it might deserve thinking outside the asphalt. Metal roofing is surging in appeal, with increased need in the residential market and year after year market development. Today's metal roofs offer structured looks and increased energy efficiency, with a variety of options offered so you can fit the design of your house's exterior. So, whether you're developing a brand-new house from scratch or upgrading your existing roofing system, metal roof may simply be the way to go.