Storm & Damage Diagnosis · July 21, 2026 · 5 min read
Granule Loss on Shingles: When It's Normal vs. When It's Serious
How much granule loss is normal, what accelerates it, and when it signals your roof needs replacement.
Every asphalt shingle loses granules from day one. The question is whether the loss is normal weathering, storm damage, or end-of-life failure.
Normal granule loss
A handful in the gutter after installation (loose factory granules). Slow, even loss across all slopes over 15–20 years.
Storm-related loss
Concentrated on impact points (round bare spots). Occurs suddenly after a hail event. Insurance-eligible.
End-of-life loss
Cups of granules in every gutter. Bare mat visible from the ground. Shingles curling at the edges. Time to budget for replacement — not a claim.
Frequently Asked Questions
- How long do asphalt shingles last?
- 3-tab: 15–20 years. Architectural: 25–30 years. Premium/designer: 30–50 years. Hot southern climates cut those numbers by 20–30%.
Storm damage on your roof?
Check live storm radar, then use our tools to document damage and estimate repair cost.