When most people hear the words "metal roofing," they think of ridged or corrugated ag panels, or perhaps standing-seam roofing. Metal shingles are less familiar, but they're my favorite roofing material. I've installed dozens of metal-shingled roofs over the past ten years or so.

When I bid a metal-shingle roofing job, I charge two to two and a half times what I would to do the same job with a good grade of asphalt shingles. But because a metal-shingled roof should last at least 50 years, it's cheaper than asphalt in the long run. Customers appreciate the added value, and they like the distinctive textured look. And from...

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