Architect Pi Smith chose a metal roof for this Vermont lake house. Why did she choose metal? "They look great! Very crisp and architectural and much easier to get excited about than asphalt shingles. Other than copper and slate, both very expensive, enameled standing seam roofs have the best longevity. From a long-term maintenance standpoint this is a plus. Additionally, standing seam can be used on low-pitched roofs, where shingles would not be appropriate. We use this material very frequently on porches and dormers, which tend to have lower pitches. Finally, there are some nice color options."