Storm Damage Shingle Repair — High Wind Event
The Challenge
An Alameda homeowner experienced a high-wind event that lifted and displaced 22 shingles across two roof sections. Several shingles had blown completely off, leaving exposed felt underlayment. The roof was only 8 years old — a GAF Timberline system installed by a previous contractor — but the installation had used insufficient nailing (4 nails per shingle instead of the required 6 in high-wind zones), which caused the failures.
Our Solution
We documented the wind damage with photos for the homeowner's insurance claim, which was successfully approved. We replaced all 22 damaged shingles with matching GAF Timberline HDZ material from the same color run. More importantly, we proactively inspected and re-nailed a 200 sq ft section of shingles on the windward slope that showed early signs of the same under-nailing issue, applying roofing cement under lifted tabs and adding supplemental ring-shank nails through the nailing zone.
The Result
The insurance claim covered the full repair cost. The proactive re-nailing on the windward section prevented what would have been significantly more damage in the next storm event. The homeowner now has documentation of the improved installation standards.
Project Details
- Project Type
- Roof Repair
- Location
- Alameda
- Duration
- 1 day
- Materials Used
- GAF Timberline HDZ (color-matched), ring-shank nails
- Year Completed
- 2025
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