Common Roof Defects

This roof ridge cap is the incorrect shingles. It should be ridge cap shingles, not regular shingles. You can see the problem with them installed this way. They curl, which can cause it to be wind damaged and leak. Recommend licensed contractor repair.
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This is a newer roof, probably put on by a homeowner. You see the valley is improperly installed. The shingles are over lapping up hill. This will possibly cause leaks under the shingles. Recommend licensed contractor repair.

This is a dryer duct vented to a roof vent on 1999 house. This has a few issues. First the roof vent is improper and not the right kind. The screen was all clogged. It should have the right kind of vent that has a flap. Second the vent in the attic is flexible. The flexible line can only be used from dryer to the wall. It should be a solid line to reduce the friction of grabbing lint. Possible fire hazard, recommend repair.

Here’s some nails on the roof that should be sealed to prevent leaks. Any exposed nails on roof vents, shingles, plumbing vents, and flashings should be sealed. Recommend repair.

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