Roof Problems · For homeowners
Shingle Granule Loss: What It Tells You
Granules protect shingles from the sun. Losing some is normal. Losing many is a warning.
Normal
Some loss right after install and gradual loss with age.
Warning signs
Bare black spots, heavy piles at downspouts, or round patches after a storm.
Next step
An inspection can tell age wear from hail impacts.
Common questions
- Can granules be replaced?
- No. Affected shingles are replaced.
- Is it a defect?
- Rarely. Manufacturer reps can assess.