You walk out the next morning and see it right away. A few tabs are gone, a couple more are folded back, and there are granules in the downspout. Maybe you found shingles in the yard. Maybe you did not, and all you’ve got is a dark patch where the asphalt got peeled clean.
This is the spot homeowners in Greentown PA get stuck. One neighbor says, “Just patch it.” Another says, “Insurance will make you replace the whole thing.” The truth is it depends on what the wind pulled, how the roof was built, and whether the shingle system can be put back together so it seals again.
We look past the missing pieces and check the ridge and hips, the starter course at the eaves, and the sealing strips. Wind damage is rarely a single shingle problem. It is usually a system problem.
First check: what kind of shingle loss you’re looking at
Missing shingles are not all the same. A clean rectangle where the mat is gone tells a different story than a tab ripped off at the nail line. We start by identifying what failed.
If the shingle tore across the nail strip, that points to high uplift or a fastening issue, like nails set high, angled, or sunk through the mat. On a laminated architectural shingle, you can also see the “common bond” tear where the top layer separates from the base.
If the shingle is intact but unsealed, that is often about the adhesive strip not bonding. Seal strips usually need warm roof surface temperatures to set, often in the 70°F range and up. A cold snap right after install, heavy dust, or shaded north slopes can delay sealing. Then a gust gets under it and starts the peel.
We also map the pattern. Damage concentrated at the rake edge, near a gable, or along a ridge is typical wind entry. Random losses across a field can mean the whole roof is under-bonded or over-exposed.
The decision on repair versus replacement starts right here, with the failure mode.
Ridge and hip caps: the first place wind gets a bite
Ridge caps and hip caps take the brunt because they sit proud and catch turbulent air. If caps are missing, creased, or slid, you can get water in fast. Cap shingles also hide the ridge vent, if you have one, and wind-driven rain will find any opening.
We check how the caps were installed. A lot of older roofs used 3-tab shingles cut into caps. That can work, but it needs correct nailing, correct exposure, and the nails need to be long enough to get through the cap, the underlayment, and into solid decking. On a typical asphalt shingle roof, that often means a nail length that actually penetrates the deck, not just the shingle layers.
We also look for high nails in the cap run. If nails are too close to the edge, the cap can tear out. If they’re too short, the cap can lift and “walk” down the ridge over time.
If the ridge vent is cracked, crushed, or missing sections, a patch is rarely clean. That is one of the moments where a broader replacement starts making more sense, because the top of the roof has to go back together as a system.
Starter course and first course: where blow-offs usually begin
Wind doesn’t usually start in the middle of the roof. It starts at an edge, then it works inward. The starter course at the eaves and rakes is the roof’s anchor line.
A proper starter has adhesive at the edge so the first full shingle course bonds down. If the starter is missing, installed upside down, or pieced together with cut scraps that have no sealant at the edge, the first course can lift. Once the first course lifts, the nails in the next course take the load, and that’s when you see shingle loss in a stair-step pattern.
We inspect the drip edge too. In Pennsylvania, drip edge at eaves and rakes is standard practice and commonly required by manufacturer instructions. If the metal edge is bent up, loose, or nailed too high, it leaves a gap where wind can pressurize the underside of the shingles.
Repairs at the edge are also where shortcuts show. Smearing roof cement everywhere is not a fix. It can trap water, collect grit, and it makes the next repair harder. We’d rather rebuild the starter and first course correctly, then seal the tabs where the manufacturer intends them to seal.
What we look for under the missing shingles (decking and underlayment)
A missing shingle is an opening. What matters next is what’s underneath it.
We check for torn underlayment, exposed fasteners, and any sign of water tracking. Synthetic underlayment can resist tearing better than felt, but either one can be ripped by wind once it’s exposed. If the underlayment is flapping, it will wear through at the nails, then you get pinholes and leaks.
Decking condition matters. Most homes around here have 7/16 inch OSB or plywood roof sheathing. If the deck edges are swollen, delaminated, or soft around the exposed area, a simple shingle patch is not enough. You need solid wood for nails to hold and for the shingle to stay flat.
We also look for how many layers are on the roof. A second layer can hide rotten decking and makes it harder to get a repair to sit right at the seams.
If the wind event was recent, we look for fresh water stains in the attic within 24 to 72 hours. Wind-driven rain can show up at nail holes and decking seams before you ever see a ceiling stain.
Repair makes sense when the roof can still seal as a system
A repair is the right call when we can restore the roof’s water-shedding and wind resistance without chasing problems across the whole slope.
Matching matters. If the shingle is still manufactured and we can get the same size, profile, and color blend, we can weave a repair in without creating a weak spot. If the existing shingles are brittle, cracking when lifted, that’s a red flag. Asphalt shingles get less flexible with age, and once they start snapping, you can lose more tabs just trying to do the work.
We also check the surrounding seal strips. If the adjacent shingles are sealed tight and not creased, we can usually replace a small area, hand-seal where needed, and re-nail correctly. Hand-sealing uses a manufacturer-approved asphalt roofing cement applied in small dabs, placed where it bonds the tab without blocking drainage.
Fastener placement is non-negotiable. Nails go in the nailing zone, not above it, and they get driven flush, not overdriven. We also watch the exposure line so the next course covers the nails properly.
If the damage is limited and the roof still has life left, a focused repair keeps the roof doing its job.
Full replacement makes sense when wind reveals a bigger pattern
Sometimes the missing shingles are the symptom, not the problem.
If we see repeated blow-offs on multiple facets, widespread unsealed tabs, or lots of creases across a slope, the roof is telling you it is not holding together anymore. Creased shingles are a big one. Once a shingle is bent back in the wind, the asphalt mat is stressed. Even if you glue it down, that crease can become a leak line later.
Age plays in. A roof past about 18 to 25 years, depending on shingle and ventilation history, is often at the point where repairs stop sticking. The shingles get thin, the granules are gone, and the seal strips are tired.
Layer count matters again. If there are two layers and the top layer is failing, repairs are harder, heavier, and less predictable.
We also factor in how the roof is detailed. If the starter course is wrong, ridge caps are failing, and the field shingles are lifting, you can patch the missing spots and still be left with a roof that keeps losing pieces in the next storm.
At that point, replacement is not about looks. It’s about getting back to a roof system that can resist uplift and shed water the way it’s supposed to.
What adjusters look for after wind damage (and what you should document)
If you’re filing a claim, the inspection is about showing wind-created damage, not normal wear.
Adjusters often look for a few clear indicators: tabs creased from being lifted, shingles missing entirely, and consistent damage on windward slopes and ridges. They may also look for “repairability.” If shingles can’t be lifted without breaking, or a matching shingle isn’t available, that affects the scope. That is not a guarantee of any outcome, but it is part of the conversation.
You can help yourself by documenting early. Take photos the same day if you can. Get wide shots of each slope, then close-ups of missing areas, ridge and hip caps, and any shingles in the yard. If you can safely see it, photograph the manufacturer imprint on the back of a loose shingle. That can help identify the product line.
Inside, check the attic. Look for fresh staining on the underside of the decking, especially near the ridge and around roof penetrations. Note the date and the storm time.
In Greentown PA we see a lot of gusty, shifting winds that hit ridges and rakes hard. The more clearly the damage pattern is captured, the less this turns into a guessing match later.
Key Takeaways
- A shingle torn at the nail line points to uplift and fastening issues, an unsealed tab points to bond failure at the adhesive strip.
- Ridge and hip cap damage can expose ridge vents and let wind-driven rain in quickly.
- Starter course and drip edge details at eaves and rakes are where many blow-offs begin.
- If surrounding shingles crack when lifted, repairs get unreliable because the roof can’t be re-sealed cleanly.
- Creased shingles are often a future leak line even if they get glued back down.
Conclusion
Missing shingles are a problem, but they’re also information. They tell you where the wind got under the roof and what gave up first. If the surrounding shingles are still flexible, the seal strips are doing their job, and the damage is tight to one area, we can usually repair it and move on. If the ridge, starter line, and field shingles are all showing the same weakness, you end up chasing the next blow-off every time the weather turns.
Our crews handle both paths, repair work and full roof replacements, plus gutters and storm claim support. The next step is a roof walk and an attic check, then we can tell you, plainly, what we’d do on our own house.
References
- NOAA page on wind and storm events
- International Code Council pages that spell out the roof requirements your house was built under
- National Roofing Contractors Association guidance on how an asphalt shingle roof system is supposed to be put together
- Owens Corning install instructions for their shingles and roofing components