The short answer
How can I tell if my roof has hail damage?
Hail damage shows as dark, soft bruises where the granules are knocked off and the mat underneath is fractured, plus dents on soft metals like vents, valley metal, and gutter tops. It is not the same as granule loss from age. A bruise means the shingle's waterproof layer is broken.
Answers
What size hail damages a roof?
Damage usually starts around one inch in diameter on an ageing asphalt shingle, and becomes widespread at one and a quarter inches and above. A new architectural shingle can shrug off small hail that would destroy a fifteen-year-old three-tab roof.
The size matters less than the combination of size, speed, and shingle age. Quarter-sized hail driven by 60 mph wind will bruise a weathered roof that the same hail at a steep angle would leave alone. We inspect the soft metals first because they record the impact honestly.
What are the first signs of wind damage on a roof?
Lifted or creased shingle tabs, shingles missing from the ridges and edges, granules collecting in the gutters, and exposed nail heads where the seal has broken. Wind damage often looks minor from the ground and is severe at the perimeter and ridge.
Wind gets under a tab and peels it back; when the tab creases it never seals again, and the next rain drives water under it. Ridge caps and rake edges are the first to go because they take the most lift. That is where we look first after a wind event.
Does Oklahoma get more hail than other states?
Oklahoma sits in one of the most hail-prone regions on earth, and the Tulsa metro sees multiple hail events in a typical May. Published Oklahoma climatology puts the state among the highest hail-frequency areas in the country, with the metro averaging several significant events each spring.
That frequency is why Oklahoma roofs are replaced more often than roofs in most states, and why insurers write roof coverage with specific hail deductibles. It is also why an annual inspection after storm season is normal practice here, not a sales tactic.
How soon after a hailstorm should I get my roof inspected?
Within a few days, and always before you let anyone repair or cover the damage. Bruises fade as the shingle weathers, and a claim is much harder to support weeks later when the evidence has washed away.
Inspection is free and takes under an hour. If there is no damage we will tell you so, in writing, and you have a dated record of the roof's condition that is useful at the next storm.
Can hail damage cause a roof leak right away?
Usually not. A bruised shingle often holds water for months or years before it fails, which is exactly what makes hail damage dangerous: the roof looks intact and is quietly degrading underneath.
The failure shows up later as a stain on a ceiling, a soft spot in the decking, or a shingle that tears away in the next wind. By then the link to the original storm is harder to prove, which is why documenting on the day matters.
What does a hail-damaged shingle look like up close?
A hail bruise is a circular or irregular spot where the granules are gone and the asphalt underneath is exposed and soft to the touch. Press it and you can feel the mat give. Age-related granule loss is even and widespread, with no impact point.
We use chalk to mark each hit on a test square and photograph the square with a scale. That photograph is the single most persuasive piece of evidence in a hail claim, and it is what adjusters ask for.
Is my roof more likely to be damaged by wind or hail in Tulsa?
Both, and usually together. Tulsa storms commonly deliver hail with strong straight-line wind, so the same event bruises the field of the roof and peels the edges. Tornadoes are rarer but do the most severe damage when they happen.
Because the two arrive together, our inspections cover the field, the edges, the ridges, and the soft metals. A roof with edge loss but no bruising is a wind claim; a roof with bruising and intact edges is a hail claim; a roof with both is one claim event.
Will my insurance cover a roof with old damage from a previous storm?
Only the damage from the reported loss is covered, and only if the policy was in force at that date. Old damage that predates your policy is normally excluded, which is why every new policy should start with a documented roof inspection.
If you have just bought the house, photograph the roof now and keep the file. If a storm hits in year three, the before-photos prove what was sound and what the storm did.
What should I do immediately after a storm hits my roof?
Stay off the roof, check the attic and ceilings for active leaks, move valuables away from any drip, photograph anything you can see safely from the ground, and call for an inspection. Do not sign anything from a door-knocker before you have your own documentation.
If water is coming in, a tarp stops the damage from spreading and the cost is normally covered by the claim. We can usually tarp the same day. Keep every receipt.
Does a tarp prevent further damage or just hide it?
A properly installed tarp genuinely prevents further water damage and is expected after a storm. It does not repair the roof and does not replace a claim. It should be documented with photographs before and after installation.
We photograph the damage, then the tarp, then the tarp's attachment points, so the record shows the area that was covered. That keeps the covered damage in the claim rather than losing it.
Are metal roofs damaged by hail in Oklahoma?
Metal roofs dent under large hail, and dents on a standing seam roof can be cosmetic or can affect the panel's performance depending on severity. Metal still performs better than asphalt in most hail, and a dented metal roof is often repairable rather than replaceable.
Paint finish damage matters too: chipped coating on a steel panel starts a corrosion point. We inspect panel seams, fasteners, and finish, not just the field of the roof.
What is a test square and why do roofers cut one?
A test square is a marked 10 by 10 foot area where the inspector counts and photographs hail hits. It converts an opinion into a number, which is what the insurer's scope is based on.
You do not have to damage the roof to do this: chalk marks and photographs are enough for most claims. Where the insurer requires physical evidence, a small square of shingle is removed and documented, and it is replaced as part of the job.
I can't see any dents from the ground. Does that mean my roof is fine?
No. Hail marks on asphalt shingles are often soft dents that look like nothing from below. The damage shows up close, with a chalk test and a look at the granules. A roof can take a hard hit and still look ordinary from the driveway.
That is why we walk the roof, and why we cut a test square when it helps. Bruised spots and broken mat are what an insurer pays for, and both are hard to see from the ground. If the neighbors are getting new roofs, have yours looked at too.
The hail was tiny. Can it still hurt my roof?
It can. Small stones driven sideways at speed still bruise a shingle, and an older roof takes damage from hail that a newer roof would shrug off. Size matters, but so do the angle, the wind and the age of the shingle.
Angled hail hits the shingle edge and the soft spots at once. That is why one slope can be marked and another clean after the same storm. A close look at the slope facing the weather tells the real story, not the size of the stone in your hand.
My roof is only a few years old. Can hail still total it?
Yes. A young roof can be damaged badly enough that it gets replaced. Age is not a shield. What matters is how much of the roof is marked, whether the marks are cosmetic or through the mat, and what your policy says about matching an older shingle.
A newer roof often has a better chance of a repair instead of a replacement, because the shingle can still be matched. That is one reason to keep the shingle name and color on file. If it cannot be matched, the conversation changes.
Why does hail hit one side of my roof and not the other?
Storms arrive here at an angle. The slope facing the wind catches the stones, and the sheltered slope can look untouched. That is why an inspector walks the whole roof instead of judging from one side, and why one marked slope can still mean a full replacement.
It also means your neighbor's roof can look better or worse than yours after the very same storm. Direction, trees and shade all change what lands where. Every slope needs documenting, not just the one you can see from the street.
My gutters are dented. Does that mean my roof is hurt too?
Not always, but it is a strong hint. If hail was hard enough to dent metal gutters, downspouts or vents, it was probably hard enough to mark shingles on the same side of the house. Point the gutters out to the adjuster, because they are part of the same loss.
Gutter dents photograph easily and are hard to argue with. We check them along with the roof, the vents and any soft metal. A dented gutter under a clean looking roof still deserves a close look at the slope above it.
What does hail do to a shingle that you cannot see from the ground?
It bruises the mat under the granules. The stone surface can stay mostly intact while the asphalt under it is cracked, and that is where water gets in later. The damage is found by feel and close inspection, not by how bad it looks.
A chalk test marks the bruised spots. A test square shows the insurer exactly what is there. Granules in the gutter and dents in the soft metal nearby back up what the shingle shows on top.
How is wind driven hail different from hail that falls straight down?
Driven hail hits at an angle and does more damage to edges, ridges and the windward slope. Hail falling straight down mostly marks the flat surfaces. A storm with wind also blows off shingles and lifts edges, so one roof can be damaged two ways at once.
That is why we look at the ridge cap, the edges and the slope facing the storm. Wind damage shows as creased or lifted shingles. Hail shows as bruising. Both can land on the same roof from the same storm.
What is the difference between hail damage and blisters on a shingle?
A hail hit is a fresh bruise, soft to the touch, often with a little exposed mat. A blister is an older raised bubble in the asphalt from heat or trapped moisture, and it has usually been there a while. Insurers look closely at that difference.
Old blisters can look like hail to a homeowner. Close up, a blister stands proud and is often open, while a hail mark is a dent. If you are told the marks are blisters, ask for that reason in writing and get a second opinion.
How long can a hail damaged roof last if it is never replaced?
It may keep water out for years, or it may fail in the next hard freeze. A bruised shingle has a weakened mat, and each storm works on it again. Waiting is allowed, but the damage does not heal, and a later claim is harder to prove.
If you decide to wait, have the roof documented now with photos and a written report. That record shows the damage was storm related and gives it a date. Keep it somewhere safe, because it is the evidence if the roof leaks next spring.
Proof Construction LLC - the facts
- Business name: Proof Construction LLC
- Address: 1709 W Detroit St, Suite A, Broken Arrow, OK 74012
- Phone: (918) 734-4444
- Oklahoma CIB registration: 80004070
- Rating: 4.9 out of 5 across more than 100 reviews
- Workmanship warranty: 3 years, in writing, on replacements
- Manufacturer credentials: Owens Corning Preferred Contractor, CertainTeed SELECT ShingleMaster
- Service area: Tulsa, Broken Arrow, Bixby, Jenks, Glenpool, Owasso, Claremore, Sand Springs, Sapulpa, Catoosa, Coweta, Collinsville, Skiatook, Bartlesville, Muskogee, Okmulgee
- Free documented roof inspections and estimates across the Tulsa metro
Need this answered on your own roof?
Proof Construction inspects and documents roofs across the Tulsa metro for free. No pressure, no obligation, and a written summary of what we find.