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Why Is My Roof Losing Shingles After a Storm?

Last updated October 25, 2026

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The short answer

What Causes Shingles to Blow Off

Shingles loosen over time as the sun and weather break down the asphalt adhesive. Nails can back out or miss the nailing strip underneath. In a strong storm, wind pressure gets under the raised edge and peels the shingle upward, then the next row goes with it.

Tree branches that strike the roof during high winds can crack or dislodge shingles without tearing the underlayment. Ice dams in winter or heavy snow can also lift the edges. Once a few shingles are gone, the exposed decking lets wind get beneath neighboring rows, so the damage can spread quickly.

Signs Your Roof Needs Attention

Look for shingles that are curled, cracked, or missing granules. Check for nails that have popped up or are visible along the edge. If you see a dark stain on the ceiling inside, water has already found a path through.

Walk around your home after a storm and inspect the ground for scattered shingles. Also check the gutters and downspouts for debris. If shingles are missing in clusters, the roof's fastening system may be failing, and a professional should take a closer look.

  • Curled or lifted shingle edges
  • Visible nail heads or popped nails
  • Granules collecting in gutters
  • Stains on interior ceilings or walls
  • Daylight visible through the roof deck
  • Shingles scattered on the lawn

What to Do Right After the Storm

Act quickly to limit water damage. Place a tarp over the exposed area if you can reach it safely from the ground or a ladder. Secure the tarp with boards or heavy objects so wind does not pull it off. This keeps rain out until repairs happen.

Document the damage with photos from several angles. Note where the shingles came from and any debris that hit the roof. If you live in Detroit, keep this record handy in case you need to file a claim. Policies vary, and your insurer decides what is covered.

When to Call the Pros

If the roof deck is exposed or water is leaking inside, call local water damage pros right away. They can assess the extent of the damage and dry out wet insulation or drywall before mold takes hold. Delaying repairs raises the cost and risk.

The pros will inspect the nailing pattern, underlayment, and flashing around vents and chimneys. They may recommend replacing the affected section or the entire roof if the shingles are near the end of their life. The decision depends on the roof's age and how much area is damaged.

Preventing Future Shingle Loss

Keep tree branches trimmed back so they do not scrape the roof in high winds. After a storm, check for loose shingles that have not blown off yet, and press them down with roofing cement if needed. Regular inspections after each season help catch problems early.

Make sure your attic has proper ventilation so heat does not bake the shingles from underneath. In Detroit's humid continental climate, temperature swings can make shingles brittle. If you plan to stay long, consider a roof material that handles wind better, like metal or tile.

Water damage does not wait

Call (313) 766-2970 any time, day or night, and describe what happened.

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Frequently asked questions

Can I reattach a loose shingle myself?

For a single shingle, you can apply roofing cement under the edge and press it down. Use galvanized nails if the shingle is lifted. But if several rows are gone, a professional repair is safer to avoid leaks.

How long does a roof repair take?

A small patch can be done in a few hours, but a full section replacement may take a day or more. The time depends on the roof's slope, the type of shingle, and how much decking needs replacing.

Will my insurance pay for storm damage?

Policies vary, and your insurer decides what is covered. Wind damage is often included, but wear and tear may not be. Take photos and call your insurer soon, but do not start permanent repairs before they inspect.

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