Roof inspection of GAF Shingles Knoxville, TN.
Roof Inspection of Old Dimensional GAF Shingles. Shingles have a granular loss. There is some weathering of these shingles as well.
The roof over the garage
Table of contents
- Exposed nails and nail holes in ridge
- not staggered correctly
- Random damaged shingles
- valley woven incorrectly
- 1Exposed nails and nail holes in ridge
The nail on the left is exposed, leaving it open to rainwater.
The nail on the right has punched through the shingle, leaving an open hole for water penetration.
Go To Pin - 2not staggered correctly
This is an incorrect stagger. The correct stagger would look like a stair step every 6 inches. Here you can see its back and forth, leaving the shingles in straight rows.
Go To Pin - 3Random damaged shingles
Random damaged shingles.
Random shingles need to be replaced.
Go To Pin - 4valley woven incorrectly
Valley has woven incorrectly.
The top of the valley is cut bottom is woven. It should be one of the 2, not both. Now water can run under the bottom woven shingles. Both valleys are like this.
Go To Pin
