Go straight to the roofing guides
Roofing Talks

Hail Damage on a Roof: What It Looks Like on Shingles, Metal, and Vents

  • Published November 7, 2026

The clearest possible signs of hail are ones you can see from the ground: fresh dents in gutters, downspouts, vent caps and window screens. On shingles, the matching mark can be a dark spot where an impact knocked granules away. If soft-metal dents line up with a storm date, the roof surface deserves a professional look.

Until an inspector confirms it, treat what you see as possible hail damage. Age wear, blisters and foot traffic can leave marks that look similar from a distance, and the cause matters because hail is an insurance question while wear is a maintenance one.

How Hail Marks Shingles, Metal Panels, and Vents

Hail leaves a different mark on each material: soft and thin materials dent, brittle ones crack, and granular surfaces such as shingles lose granules at the point of impact. That follows from what hail is: “solid ice that forms inside thunderstorm updrafts,” in the words of the NOAA National Severe Storms Laboratory’s hail basics page, which NSSL has since retired (an archived copy of August 20, 2026 preserves it).

The table below describes the marks to look for on each material. It is a field description, not a measured standard, and it does not set a size of hail that causes damage.

Material Typical hail mark Where to look Visible from the ground?
Asphalt shingles Dark spot where granules were knocked off; in harder hits, a crack or soft spot in the mat beneath Slopes facing the direction the storm came from Sometimes with binoculars, not reliably
Metal panels Round dents, sometimes with chipped paint at the center Flat areas of the panel, easiest to see in low-angle light Sometimes, in morning or evening light
Vent caps, flashing, gutters Dents and bright spatter marks on weathered metal Tops of vents, gutter lips, downspout elbows Yes, for gutters and downspouts
Wood shakes Splits with sharp, light-colored edges and dents in the grain Exposed portion of each shake Partly
Clay or concrete tile Cracked or broken pieces, chipped corners Any slope, especially the windward side Partly

Three features separate hail from other damage. The hits are scattered rather than lined up along a seam or path, and they are concentrated on the side of the house that faced the storm. Recent marks also look fresh: bright metal, clean breaks, unweathered wood.

The shingle mark matters even when nothing leaks yet. Granules shield the asphalt from sunlight, so where an impact strips them the exposed asphalt weathers faster. A hit hard enough to crack the mat underneath can let water reach the deck long before the spot looks serious from the ground. That is why a bruise is judged on the roof by an inspector, not from a photo taken in the yard.

Collateral Damage You Can Check From the Ground

Your safest and most useful evidence is the collateral damage around the house. The same NOAA page notes that “wind-driven hail can tear up siding on houses, break windows and blow into houses,” and that hail “quarter size or larger is considered severe.” That severe category describes the storm, not a threshold at which a roof is damaged.

Stay on the ground for this, and do it only after the safety checks in what to do after a storm, in order. Walk all four sides and check these, photographing each with a coin for scale:

  • Gutters and downspouts, especially the top lip and the elbows
  • Window screens and window frames
  • Siding, shutters and painted trim
  • The fins on the air conditioning condenser
  • Painted fences, deck rails, mailboxes and outdoor furniture
  • Cars that were parked outside during the storm

If dents appear on one or two sides and not the others, that pattern is consistent with a storm that came from that direction. If nothing outside the house is dented, hail damage to the roof is less likely, though not impossible.

Functional vs Cosmetic Hail Damage

Not every hail mark affects how the roof works. Functional damage weakens the covering’s ability to keep water out or shortens its life: a fractured shingle mat, a punctured panel, a broken tile. Cosmetic damage changes appearance only: a dent in a metal panel that still sheds water, or a scuff that did not break anything.

Some policies draw that line. The Oklahoma Insurance Department’s wind and hail guidance notes that policies may include “exceptions for cosmetic damage, meaning it only affects the aesthetics rather than function of the house.” A 1998 Texas Department of Insurance bulletin on a cosmetic damage endorsement shows how one such endorsement was worded: it defined cosmetic damage as “only that damage that alters the physical appearance of the roof covering,” while still covering hail damage “that will allow the penetration of water.” Current policies may word this differently.

Metal roofs sit closest to this line, because a panel can be dented without leaking. Check your declarations page and endorsements for any cosmetic damage language before you file. How those exclusions work across policies is covered in how cosmetic-damage exclusions fit into roof coverage, and what a Class 4 rating does and does not prove against real hail is covered in how impact-resistant shingles are tested.

Look-Alikes: Blisters, Age Wear, and Foot Traffic

Granules in the gutter and dark spots on shingles are not proof of hail on their own. HUD’s Residential Rehabilitation Inspection Guide treats granule loss together with curling as the point at which asphalt shingles are due for replacement, which describes ordinary aging. Use these differences to sort what you see:

  • Age wear is spread across the roof, worst on slopes with the most sun, with curling edges and bare patches that look weathered rather than fresh. It appears whether or not there was a storm.
  • Blisters are raised bubbles in the shingle surface that can pop and leave small pits. They come from the shingle itself, not from impact. The guide to shingle blisters covers how to tell a popped blister from a hail hit.
  • Foot traffic and tool marks follow paths: near the ladder spot, around vents and satellite mounts, along the ridge. Hail does not line up that way.
  • Loose granules on a recent roof can wash into gutters during the first rains without any storm at all.

If the marks on the roof are not matched by fresh dents somewhere around the house, the cause deserves a second look before anyone calls it hail.

Documenting Probable Hail Damage

Build the record before anything is repaired or replaced: a dented downspout that goes to the curb unphotographed is evidence lost. FEMA’s how-to on documenting storm damage applies the same rule inside the home as well as outside and adds one habit, keeping the receipt for every repair and replacement.

Your record should include photos of each dented item with a coin for scale, wide shots of each side of the house, any interior stains, and the date and time of the storm. If you are not sure of the date, checking hail storm history for your address explains what public storm reports can and cannot show.

When the shingle warranty excludes hail, the damage goes through your insurer instead. GAF’s 2026 impact resistance brochure (form RESGN909-0326) states that “hail damage is not covered under the limited warranty,” and other manufacturers’ warranties need the same check. Before you call the insurer, find two items on your declarations page: the deductible that applies to wind and hail, and any cosmetic damage endorsement. Filing the claim step by step covers what comes after that.

Is It Worth Requesting a Hail Inspection?

Request a professional inspection when two things line up: fresh dents on gutters, vents, screens or other soft metal, and a storm date you can name. Treat that pairing as a screening rule, not a diagnosis: dents in soft metal show that hail reached the property on some date, not what it did to the roofing, and only an inspector on the roof can judge whether the roof was hit and whether any damage is functional. A drone survey can map where the hits are, but it cannot feel a bruised shingle.

If your policy carries cosmetic damage language and the roof is metal, ask the inspector to state in writing, dent by dent, whether each panel still sheds water and whether any fastener or seam was disturbed. That written note is your evidence on the functional versus cosmetic question when the adjuster reviews the claim.

If nothing around the house is dented and the roof marks match the age-wear or blister patterns above, an insurance inspection is unlikely to change the picture; plan for maintenance or replacement instead.

The next action is the same either way: photograph the dented gutters, downspouts and vent caps with a coin for scale, write down the storm date, and read your declarations page for the wind and hail deductible and any cosmetic damage endorsement before anyone climbs the roof.

This guide is general information for U.S. homeowners, not legal, insurance, tax, or engineering advice. Codes, laws, and policy terms vary by location and change over time; confirm details with your local building department, your insurer, or a licensed professional.

Sources

Reader comments

Ask or add something

Your email address will not be published. Required fields are marked *