How Big Does Hail Need to Be to Damage a Roof?

Updated October 16, 2026

Hail can damage a roof, but size alone cannot tell you whether your roof needs repair or replacement. The impact conditions, roofing material, existing condition and location of the strikes all matter. A weather report describes the storm; an inspection establishes what happened to the building.

That is why a hail-size chart should not be used as an automatic replacement rule. Nor should smaller reported hail be treated as proof that the roof is fine, particularly when you see new damage or water entry.

Why there is no single damage cutoff

The National Weather Service’s hail-impact guidance describes a range of possible effects and notes the influence of wind. Its hazard categories are weather guidance, not a diagnosis of an individual roof or an insurance coverage standard.

A roof’s response also depends on the particular covering and its condition. The question for an inspector is whether impacts affected the roof’s ability to perform and which components need attention. A dent, mark or missing granule should be evaluated in context rather than labeled from a photograph alone.

What to record after hail

• The date and approximate time of the storm.
• Hail observations or photographs taken from shelter or after conditions are safe.
• New marks or damage visible on gutters, downspouts, siding or other accessible surfaces.
• Any new leaks, ceiling stains or water entry.
• Earlier roof problems, repairs and available installation records.

If you can safely photograph a hailstone after the storm, an everyday object beside it can help show scale. Do not go outside during hail to obtain a measurement. Keep original photos and avoid marking up the only copy.

What can you check without climbing?

From the ground, look for obvious displacement, missing roofing or visible changes along the roof edge. From safe interior areas, note active leaks or new stains. Stay clear of fallen wires, unstable branches and sagging ceilings.

An intact-looking roof from the street can still need closer inspection, but a neighborhood full of replacement projects does not establish that yours needs replacement. Ask for findings specific to your property.

What a roof inspection should explain

A useful inspection connects observations to a proposed scope. Ask where the damage is, which material or component is affected and whether there are unrelated age or maintenance issues. Ask what could not be inspected and whether further access is necessary.

• Are the findings localized or spread across several areas?
• What supports the proposed repair or replacement?
• Are flashing, vents, gutters or interior materials also affected?
• Can the proposed materials be matched and installed appropriately?
• What documentation and written estimate will be provided?

Use our repair-versus-replacement guide for the decision that follows. If replacement is recommended, compare the inclusions in our roof-cost and estimate guide.

Keep the insurance decision separate

If damage may be insured, notify your insurer promptly and ask about the claim process. A roofer can document observed conditions and estimate construction work. A claim decision depends on the policy and insurer’s assessment, not a blog’s hail-size threshold.

The Texas Department of Insurance explains the distinction between roofing work and insurance-adjusting services. Avoid promises that an inspection guarantees coverage, a particular settlement or a waived deductible.

Arrange an assessment with AllDone

Contact AllDone Construction with the property location, storm date and any visible concerns. The team can discuss the inspection and qualifying roofing or restoration work needed. If there is active interior water damage, start with these homeowner response steps while arranging professional help.