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What Are Signs of Storm Damage on a Roof?

Last updated October 25, 2026

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The short answer

Start with a Ground-Level Look

After a storm passes, walk around your home and examine the roof from the ground. Use binoculars if needed. Look for shingles that are curled, cracked, or completely missing. High winds can lift edges and expose the underlayment, which is a direct invitation for water to enter.

Check for hail damage as well. Hailstones can leave small dents or create punctures in asphalt shingles. If you see dark spots or bare patches where granules have been knocked off, that material is now weaker and more likely to leak. Also note any tree branches that may have scraped the surface.

  • Missing or displaced shingles
  • Cracked or curled shingles
  • Dents or holes from hail
  • Bare spots where granules are gone
  • Branches rubbing or scraping the roof

Inspect the Attic for Leaks

Go into your attic with a flashlight and look at the underside of the roof deck. Check for water stains, dark streaks, or mold growth on the wood. These are strong signs that water has already penetrated the roofing material. Pay special attention to valleys, chimneys, and vents where flashing often fails.

Also feel for dampness on insulation or rafters. If you see daylight through any cracks or gaps, that means the roof is no longer a solid barrier. Even small openings allow rain and snowmelt to enter, which can lead to rot and damage to your home's structure over time.

  • Water stains on wood or insulation
  • Damp or wet rafters
  • Mold or mildew spots
  • Daylight visible through gaps
  • Cracked or rotting deck boards

Check Gutters and Downspouts

Gutters collect debris that washes off the roof, so they can reveal a lot about its condition. Look for piles of granules that look like coarse sand. That is the protective coating from asphalt shingles, and a heavy loss means the shingles are aging or were damaged by hail. Clogged gutters can also cause water to back up under the roof edge.

Inspect the downspouts for shingle pieces or nail heads that have washed down. Also check the ground around your house for scattered shingle fragments. If you find any, it is a clear sign that the roof surface is deteriorating and may need professional attention.

Look for Interior Water Damage

Inside your home, check ceilings and walls for new stains or bubbling paint. Water often travels along rafters before dripping, so the stain may appear away from the actual leak point. Feel the drywall for soft spots or sagging, which indicate trapped moisture. Also check around windows and doors for warped frames or peeling caulk.

If you notice a musty odor in a room, that is another clue that moisture has been getting in. Even if you do not see a visible leak yet, the smell suggests mold or mildew is growing behind the surface. Catch these signs early to avoid more extensive repairs later.

When to Call the Pros

Some damage is obvious, but other issues are hidden. If you suspect your roof took a hit, it is wise to have a professional inspection. A water damage inspection can identify leaks and moisture that you might miss. The pros have the training and equipment to safely evaluate the entire roof system, including flashing and seals.

If you find active leaks or significant shingle loss, roof leak repair and water damage mitigation may be needed to stop further harm. Acting quickly after a storm can reduce the risk of structural rot and mold. If you live in Detroit, keep the number of a reliable roofing service handy for storm season.

  • Visible leaks or water stains
  • Large areas of missing shingles
  • Sagging roof sections
  • Granules in gutters after a storm
  • Mold or mildew inside the home

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Frequently asked questions

How soon should I check my roof after a storm?

Check as soon as it is safe to go outside. Look for obvious damage from the ground, and go into the attic if you can. The longer water sits, the more damage it can cause. Acting within a day or two is ideal, but do not climb on a wet roof.

Can I repair storm damage myself?

Small fixes like replacing a single shingle might be doable, but roof work is risky and often needs special tools. A mistake can lead to bigger leaks. For anything beyond a simple patch, it is safer to call a professional who can assess and address the damage properly.

Will my insurance cover roof storm damage?

Policies vary, and your insurer decides what is covered. Storm damage is often covered, but it depends on your specific policy and the cause. Contact your insurance company soon after the damage to start the claims process. Keep records of any repairs you have done.

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