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Homeowner guide

How to tell if your roof has hail damage

A plain-English walkthrough of what hail actually does to an Ozarks roof, what an insurance adjuster counts as damage, and what does not qualify — written by the people who climb it.

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Start with the parts of the house you can see

Hail does not hit a roof in isolation. Before anyone goes up a ladder, we walk the house, because the soft metal on the ground floor tells the story of the storm.

  • Gutters and downspouts. Dents and dings in aluminum are the clearest record of hail size and the direction it came from.
  • Granules at the downspout outlets. Some granule loss is normal as a roof ages. A fresh pile after a storm is not.
  • The AC condenser. Flattened fins on the top and one side are a near-perfect hail gauge, and adjusters know it.
  • Window wraps, garage doors, and siding. Damage on one elevation and not the others tells you which way the storm was moving.
  • Fences, decks, and mailboxes. Unpainted wood splinters and dents help date the loss when a carrier disputes it.

Then what we look for on the roof

An adjuster does not walk the roof looking for a general impression. They mark off test squares — usually ten feet by ten feet on each slope — and count qualifying hits inside them. If enough slopes carry enough hits, the carrier pays for replacement. If they do not, it is a repair, or nothing.

  • Bruising. A soft spot in the mat under the granules, felt with a thumb. This is functional damage even when it photographs poorly.
  • Granule loss exposing the asphalt. Random placement, not the straight lines of foot traffic or the streaks of normal weathering.
  • Fractured mat. A crack through the shingle, which is what actually lets water in.
  • Wind damage alongside the hail. Lifted or creased shingles and broken seal strips, which are their own covered loss and often get missed.
  • Penetrations. Pipe boots, vents, and flashing, where the failures show up first and leak soonest.
Hail damage marked on shingles during an insurance inspection by Nixa Roof Co

Half the roofs we inspect after a storm do not have a claim. We would rather tell you that than sell you a roof you did not need. Jeremy, Nixa Roof Co

What is not hail damage

  • Blistering from trapped moisture and poor ventilation.
  • Cracking and curling from age and heat.
  • Scuffs and shiny marks from someone walking the roof.
  • Mechanical damage from a satellite install or a tree limb.

Carriers deny claims over exactly these, so it matters that whoever documents your roof knows the difference and does not argue for damage that is not there.

Common questions about hail damage

How big does hail have to be to damage a roof?

On most asphalt shingle roofs in the Ozarks, functional damage starts showing up around one inch and gets consistent above an inch and a quarter, but size alone is not the whole story. Wind speed and direction, the angle of the slope, shingle age, and how brittle the mat has gotten all change the outcome. We have seen quarter-size hail bruise a fifteen-year-old roof and golf-ball hail barely mark a two-year-old one.

What does hail damage actually look like on shingles?

Random — not patterned — dark impact marks where the granules have been knocked off, often with a bruise you can feel with your thumb before you can see it. Fresh hits look clean and shiny. Along with the shingles we look at soft metal: gutters, downspouts, drip edge, vents, flashing, valleys, and window wraps. Dents in soft metal are how you date a storm, because they do not heal or weather away like granule loss does.

Can I check my own roof for hail damage?

Check from the ground first, and please stay off a wet or steep roof. Look at the gutters and downspouts for dents, look for a pile of granules where the downspouts drain, look at the AC condenser fins, and look at any painted metal on the house. If those show hits, the roof almost certainly took hits too. That is the point to have someone go up who is insured to be up there.

How long do I have to file a hail claim in Missouri?

Your policy sets the deadline, not the state, and most Missouri homeowner policies expect prompt notice — commonly within one year of the date of loss, sometimes two. The practical problem is not the deadline, it is proof: the longer you wait, the easier it is for a carrier to argue the damage came from a different storm or from wear. If you think a specific storm hit you, get it documented now even if you have not decided to file.

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