![]() Valleys are exposed to more runoff than the rest of the roof. Hip-cap shingles can be torn off by wind, leaving the roof open to the weather. Hips and valleys are especially vulnerable to leakage. The vertical joints between strips, visible in the photo above, should be offset to reduce the chance of leakage. ![]() They’re seldom supplied as individual shingles. Metal shingles usually come in strips, similar to asphalt shingles. This can allow precipitation and runoff to enter behind the flashing. Let’s look at some examples.Īt the sidewall in the photo below, you can see that the counter-flashing is installed over the wood shingles instead of behind them. To put it simply: Don’t walk them.īecause of the different styles and installation methods used, you’ll be using common sense and good judgment when looking for defects in metal shingle roofs. They’re commonly called stone-coated.įrom a distance, these metal shingles might be mistaken for clay tiles, but clay tiles don’t often bend when they’re stepped on.įormed metal shingles are usually made of relatively light-gauge metal and are easily damaged by walking on them. High-end metal shingles are usually covered with a coating similar to asphalt shingle granules. These shingles are smooth and somewhat low-end. They can be designed to mimic shakes, like those you see here. ![]() These shingles were installed on a home in California within a half-mile of the coast, which would account for the corrosion. You may see flat shingles that are flat and smooth, such as those pictured above. Metal roofing is also available as shingles.
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