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Wind damage claims: uplift at the edges, and the seals a ground view cannot show.

By Chaz Jaco, Co-Founder & Software Architect, ESXPress - Last updated:

What is a wind damage roof claim?

Wind removes shingles by uplift, not by blowing them sideways: pressure drops over the roof and the deck pulls the shingles up. The highest force lands at corners, edges, and ridge, which is exactly where a ground inspection is weakest. A field that looks intact can be a field of broken seals, so the wind claim is built on edge detail and measured wind.

How wind damage presents: uplift, not blow-off

Wind does not push a shingle off a roof the way a hand peels it. It flows over the surface, drops the pressure above the shingles, and the higher pressure below lifts them, so the failure is a pull rather than a push. The lift is strongest where the airflow separates and reattaches: the eaves, the gable-end corners, the ridge and the hips. What that looks like on the roof is subtle. A tab can lift, break its adhesive seal, and settle back into almost its original position, leaving a course that reads flat but no longer holds. Ridge and hip caps break or displace, starter and edge material tears away, and field shingles crease at the fastener or crease across a tab. Because the loss is a broken seal and not a pile of missing shingles, a ground view is a poor instrument for it. A named storm drives the same uplift for hours instead of a gust and sends driven rain in behind it, which is why a hurricane damage claim turns on the sequence of wind and water as much as on the wind itself.

Why the first scope often prices a repair

A first estimate built before anyone is on the roof tends to price what is countable from the ground: a few missing or torn tabs on the most visible slope. The edge and corner zones that carry the highest uplift are the ones a ground view hides, so the scope under-represents them, and it often leaves the ridge and hip cap work and the starter course unmeasured as well. There is a second, quieter omission: the fastener schedule. Where the deck needed the six-nail pattern for the local design wind speed and the roof carries four, that is a fact about how the assembly was built, and it only comes out during a surface inspection. The result is a scope that reads as a small repair for a loss that changed the roof across more than the visible slope.

What a wind claim needs documented

Wind evidence pairs a measured storm with roof detail:

  • The recorded wind at the address on the date of loss, with the direction where available, from a station or report you can cite.
  • Corner, edge, ridge, and hip photographs that show lifted, creased, or unsealed shingles and missing starter or edge material.
  • Debris and any impact marks from wind-borne material.
  • A deck and fastener inspection, recorded, since a broken seal and a short nail schedule are not photographable from above.
  • The measured location and the event date, so the shingle's tested class can be compared to the design wind speed for that place.

The code tie: what a shingle's wind rating means

A wind claim benefits from knowing what the roof was supposed to resist. Under IRC R905.2.4.1, asphalt shingles are tested for wind resistance to ASTM D7158, the uplift force and uplift resistance method, with ASTM D3161, the fan-induced method, permitted as an exception for shingles outside D7158's scope, and Table R905.2.4.1 maps the required class to the design wind speed for the location. D7158 rates shingles Class D, G, or H and D3161 rates them Class A, D, or F, and the two ladders are not interchangeable. Attachment is a separate requirement under IRC R905.2.6, which sets a floor of four fasteners per strip shingle and defers to the manufacturer for more. The class on the packaging and the nails in the deck are the two facts that turn a wind report into a code-relevant argument.

How the wind supplement conversation goes

The wind supplement is usually a causation and a matching conversation before it is a pricing one. Causation asks whether the loss is wind or age: an old, brittle shingle tears under the same gust a newer one would survive, so the seal inspection and the measured wind are what separate a wind loss from wear, and a mechanical mark from an uplift. Matching then decides repair against replacement, because replacement shingles may not match a discontinued product across an entire slope or an entire roof. The supplement carries the edge and corner evidence, the fastener findings, and the measured wind, so the added lines stand on the assembly the storm actually reached rather than on a repricing of the same few tabs. Wind is one of the two single-mechanism storm losses, and the storm season supplement playbook shows where that wind window sits in the claim year.

How does ESXPress fit a wind damage claim?

ESXPress does not write the supplement or argue the claim. Drop the carrier's wind scope into it, a scope PDF or a scope XML export, and it returns an import-ready Xactimate .esx, which places the edge, ridge, and fastener findings you documented on the same page as the carrier's own line roster. A line whose code cannot be confirmed is held for review rather than guessed, and the figure the carrier's document printed is never overwritten. Your added edge, ridge, and fastener lines are then priced against the price list loaded on your own machine.

Related reading

Sources and standards cited on this page

Cited for the wind-rating and code references above. No Xactimate price-list figures are published on this page.

Questions about wind damage claims

What does wind damage look like when the shingles are still on the roof?

Wind damage hides in place. Tabs can be lifted and laid back down, creased, or sealed open where the adhesive strip let go, so a course reads flat from the ground while it no longer resists the next wind. Ridge and hip cap shingles are frequently displaced or broken, starter course and edge shingles are missing, and debris from the surrounding property may have struck the field. The tell is the broken seal and the edge detail, not a large area of missing shingles.

Which parts of a roof fail first in wind?

The perimeter fails first. Wind accelerates as it passes the edge and corner of a roof, so the pressure that pulls a shingle upward is highest at the eaves, gable ends, corners, ridge, and hips. Those same zones are where an inspection from the ground is least able to see, and they are the first place a scope should look. A scope that counts only the obvious field damage generally misses the edge and corner work that carries the rest of the loss.

Why does a wind scope price a repair instead of a replacement?

A wind repair scope is often written from the visible tab damage before anyone inspects the seals. A handful of missing tabs reads as a repair, while edge and corner seal loss across a slope changes the assembly. Add that replacement shingles may not match a discontinued product across a whole slope, and the repair-versus-replacement question is usually about coverage and matching rather than a disagreement over the number of shingles.

What wind speed matters for a shingle claim?

The recorded wind at the address on the date of loss sets the expectation, and the shingle's tested rating is the other half. Under IRC R905.2.4.1 an asphalt shingle is tested for wind resistance to ASTM D7158, the uplift method, with ASTM D3161, the fan method, as an exception for shingles outside D7158's scope. Table R905.2.4.1 maps the required class to the design wind speed for the location, so the class letter on the product packaging is the code-relevant fact.

What is the difference between ASTM D3161 and ASTM D7158?

ASTM D3161 and D7158 test wind resistance differently. D3161 is the fan-induced method and rates shingles Class A, D, or F. D7158 is the uplift force and uplift resistance method and rates them Class D, G, or H. D7158 is the primary path the code points to and D3161 is the exception for shingles outside its scope, because uplift, not horizontal flow, is what actually pulls a shingle off a deck. The two class ladders are not interchangeable, so read the class letter, not only a number.

What should I document for a wind damage claim?

Document the wind at the address for the date of loss, from a station or a report you can cite, with the direction if it is available. Then the roof detail: corner, edge, ridge, and hip photographs that show lifted, creased, or unsealed shingles, missing starter and edge material, and any debris impact. A deck and fastener inspection is the part a photo cannot carry, because a broken seal and a short nail schedule are only visible from the surface itself.

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