Outside Roof Inspection
To better understand the typical parts of a roof, see the diagram at the right.
The following is a guideline of what Argus Roofing Inspectors look for.
We do not recommend that you inspect your roof by walking across it. Rather, start by taking a pair of binoculars with you into the yard, find a spot without trees or other buildings blocking your view and look for any of the following signs:
- Blistered, curled or split shingles.
- Loose or missing shingles or tiles.
- Broken or loose shingles at the ridge lines and hip lines.
- Loose nails. A loose nail means an open hole, which can cause leaks and subsequent water damage to your roof.
- Exposed nails. These also can lead to leaks in your roof as the water seeps around the head of the exposed nails.
- Dark patches on asphalt shingles and/or large amounts of granules in the rain gutters. This could mean that the granular coating of your roof is wearing away and needs to be replaced.
- Sagging either on the ridges or in the center of the roof.
- Rusty or corroded metal (flashing) and loose shingles in the valleys, plumbing vents or near chimneys. You may need to remove leaves and other debris before a proper inspection can be done. Remember that a lot of leaf debris in the valleys, plumbing vents, or near the chimney can cause problems with your roof if not dealt with promptly at the end of the season.
- Rusty metal or loose shingles in locations where a vertical side of the house meets the roof.
- Overflowing gutters or excess water pooling near the foundation of the house.