The Short Answer
Yes, a three-tab shingle roof can usually be repaired, but expect a visible patch. Three-tab colors are being discontinued, some replacements are metric-sized and will not line up with older shingles, and aged tabs crack when lifted in the cold. A good repair removes the damaged shingles, nails new ones with at least four nails each, and hand-seals them. If damage is spread across the roof, replacement is often the better spend.
Key Points
- Check the size first: English three-tabs are 36 inches long with a 5 inch exposure, metric ones are 39 3/8 inches with a 5 5/8 inch exposure, and the two do not line up.
- An exact color match on an older three-tab roof is rare, so plan for a close match that blends from the street.
- Old three-tabs get stiff in the cold, so lifting courses to reach nails is slower, riskier work below about 40 degrees.
- A repair does not restart or extend the old roof's manufacturer warranty; only the repair work itself can carry a warranty.
- If you keep patching blow-offs year after year, the roof is telling you the sealant bond is gone across the whole field.
How to Tell You Have Three-Tab Shingles, and Why the Size Matters
From the ground, a three-tab roof looks flat and even, with regular vertical slots lined up in a stair-step pattern. Architectural (dimensional) shingles look thicker and random, with shadow lines and no neat slots. If your roof has both, the three-tab section is usually an older garage, a back slope, or a repair someone made years ago.
Three-tab shingles come in two sizes. CertainTeed's applicator manual for its three-tab line shows English-dimension shingles at 36 inches long laid at a 5 inch exposure, and metric shingles at 39 3/8 inches long laid at a 5 5/8 inch exposure. Older Michigan roofs are often English size. If a metric shingle is slid into an English roof, the tab slots and the exposure will not match the courses around it, and the sealant strip will not land where it should.
That is why a roofer who does three-tab repairs well will measure your exposure before buying a single bundle. It is also why leftover bundles in your garage are worth keeping: they are the right size, the right color, and they have weathered at least a little in storage.
What a Realistic Color Match Looks Like
Three-tab shingles are still manufactured, but the color range is narrow compared to what it was when most of these roofs went on. CertainTeed still lists its XT 25 three-tab line, for example, but the exact color and blend on a roof installed fifteen or twenty years ago may no longer be produced. Even when the name on the bundle is the same, a new shingle starts darker and shinier than one that has spent years in the sun and lost some granules.
The flat profile of a three-tab helps a little: there are no shadow lines to mismatch, so a close color often blends better than it would on an architectural roof. A bright new patch on a south-facing slope usually fades toward the rest of the roof over a season or two, though it may never disappear completely.
Saved bundles from the original job
Best match
Same product, same lot, right size. Check that they are flat and not stuck together before anyone climbs a ladder.
Same product line, current color
Usually close
Right size if you confirm English or metric. Expect it to read slightly darker for a season or two.
Closest available three-tab color
Visible patch
Fine on a back slope or garage, more noticeable on the street side. Ask to see a sample against your roof, not a brochure.
Architectural shingle patch
Not recommended
Thicker and shaped differently, so it does not lie flat in a three-tab course. It looks like a patch and can hold the shingles above it off their seal.
More on matching shinglesWhy Old Three-Tabs Crack When You Lift Them
To replace one shingle, a roofer has to reach the nails holding it, and those nails sit under the course above. That means gently breaking the sealant bond and lifting the tabs above the damaged shingle. On a twenty-year-old three-tab, the asphalt has dried out and the mat is stiffer than it was new, so the tabs can crack or snap off instead of bending.
Cold makes it worse. The Asphalt Roofing Manufacturers Association notes that asphalt shingles become less flexible as the temperature drops, and that in cold weather the bond between courses becomes less flexible and roof traffic can break it. CertainTeed's three-tab instructions likewise warn that shingles must be warm enough to form without cracking. On a Michigan roof in November, every shingle a roofer lifts to make one repair is a shingle that might need replacing too.
None of this means three-tab repairs cannot be done in winter. It means a careful roofer will warm bundles before use, work during the warmest part of the day, limit how far tabs are lifted, and hand-seal what was disturbed. If a quote for a winter three-tab repair seems to assume nothing nearby will break, ask how they plan to handle it.
Winter repairs in detail
What can and cannot be done below 40 degrees, and which winter repairs are temporary.
Read the winter articleWhat a Proper Three-Tab Shingle Replacement Involves
A three-tab repair is simple in principle. Doing it so the new shingle stays put through a lake-effect winter takes a few extra steps.
- Step 1
Measure and Match
Confirm English or metric size by measuring exposure, and choose the closest color, ideally from saved bundles or the same product line.
- Step 2
Release the Seals Above
Separate the sealant on the course above the damage, and on the course above that if needed, working slowly and warming the shingles if it is cold.
- Step 3
Pull the Right Nails
Remove the nails in the damaged shingle and the nails from the course above that pass through it, then slide the damaged piece out without tearing the underlayment.
- Step 4
Nail the New Shingle
The Michigan Residential Code requires the manufacturer's nail count but never fewer than four nails per strip shingle, placed in the nailing zone and driven flush, not overdriven.
- Step 5
Re-Nail and Hand-Seal
Re-fasten the disturbed course above with new nails in new holes, then seal tabs with small dabs of asphalt roofing cement. Too much cement can blister shingles.
- Step 6
Check the Neighbors
Look for tabs that cracked during the work, and for nearby shingles that lift easily by hand, which signal the sealant has failed beyond the repair area.
Hand sealing: ARMA says shingles can be hand-sealed with an approved asphalt roofing cement in very cold conditions, and CertainTeed's manual describes quarter-sized spots of ASTM D4586 cement. Follow the manufacturer of the shingle on your roof.
Why Three-Tab Roofs Keep Losing Tabs in Wind
Wind blow-off is the most common reason three-tab roofs need repair. A three-tab shingle is a single thin layer, and its wind resistance depends almost entirely on the sealant strip bonding each course to the one below. CertainTeed's XT 25 three-tab, for example, carries a 5 year 60 mph wind-resistance warranty. Wind off Lake Michigan exceeds that in a strong storm.
As a three-tab roof ages, the sealant bond weakens, and once tabs start lifting, each storm finds a few more. Replacing the missing tabs fixes today's leak. It does not restore the bond on the hundreds of tabs that did not blow off this time. If you can lift tabs by hand across a slope, more repairs are coming.
If you are replacing missing tabs after a storm, take photos before the work starts and keep the invoice. Those records matter if you later file a claim or sell the house.
What Michigan's Code Asks of Replacement Three-Tab Shingles
A three-tab repair in Michigan is governed by the 2015 Michigan Residential Code, and a few of its roofing sections apply directly to the shingles that go in and the parts that come out.
Wind rating comes first. Section R905.2.4.1 says asphalt shingles shall be tested in accordance with ASTM D7158 and meet the classification in Table R905.2.4.1 for the design wind speed, and that the packaging must carry a label showing compliance. Michigan fills in the wind speed column of the code's climate table through Mich. Admin. Code R 408.30516, which lists 90 mph statewide, with the wind exposure category decided site by site. That puts most Michigan houses in the lowest rows of the shingle table, where the code accepts ASTM D7158 Class D, G or H, or ASTM D3161 Class A, D or F. Check the bundle label on any replacement shingle, including one pulled from a garage stash or a salvage yard, before it goes on your roof.
Fastening is next. Section R905.2.6 calls for the number of fasteners the manufacturer requires, and never fewer than four per strip shingle. A repair is a chance to nail the new pieces to the current instructions, which may call for more on steep slopes or in high wind.
Then the metal around the repair. Section R908.5 says existing flashings, edgings, outlets, vents and similar devices that are part of the assembly shall be replaced where rusted, damaged or deteriorated. On a three-tab roof that has been up for 20 years or more, the step flashing, pipe boots and drip edge are often as worn as the shingles. A repair that reuses worn metal around new shingles tends to leak again at the metal.
Finally, the layer rule. Section R908.3.1.1 does not allow a roof re-cover where the roof already has two or more applications of any type of roof covering, or where the existing roof is water soaked or deteriorated to the point it is not an adequate base. Some three-tab roofs are already a second layer. If yours is, the next roof is a tear-off whether or not anyone wanted an overlay.
Code is enforced by your local building department, so confirm any permit question with your city or township.
Michigan wind storms and roof damage
How thunderstorm winds and gradient wind events in West Michigan compare with shingle wind ratings, and what fails first.
Read about Michigan wind stormsWhat Warranty Applies to a Three-Tab Repair
Three kinds of warranty can be in play, and they do different jobs. Your original shingles may still be inside their manufacturer's limited warranty. CertainTeed lists XT 25 with a 25 year limited transferable warranty and 5 years of SureStart protection, and other makers' three-tabs carry similar terms. Coverage like that is for manufacturing defects, it usually reduces over time, and a repair does not restart or extend it.
The enhanced system warranties that registered contractors can offer are a different matter. As of July 1, 2026, three-tab shingles are no longer eligible for GAF's System Plus or Silver Pledge limited warranties. That matters mostly for replacement decisions, because a new three-tab roof cannot carry the stronger coverage an architectural roof can.
The warranty that usually matters most on a repair is the contractor's own warranty on the work: what they fixed, for how long, and what voids it. Get it in writing. Stellar's craftsmanship warranty covers our repair work and is separate from any manufacturer warranty, and none of it is automatic.
How repair warranties work
Craftsmanship versus manufacturer coverage, exclusions, transfers, and whether a repair can void a shingle warranty.
Read the warranty articleStellar's warranty page
The GAF and CertainTeed warranty tiers and how Stellar's craftsmanship warranty fits beside them.
See warrantiesWhen Repairing a Three-Tab Roof Stops Making Sense
Most three-tab roofs in West Michigan are not young, which changes the math on repairs. Stellar's rule of thumb: when a roof is inside roughly its last five years, replacement is generally recommended once a repair would cost more than about 25 percent of a replacement. That is a starting point for a conversation, not a verdict.
Some signs push the decision faster: tabs lifting across whole slopes, curled or cupped edges, heavy granule loss, cracked tabs everywhere you look, and soft decking under the repair area. Laying a second roof over three-tab shingles is legal for one layer under Michigan Residential Code R908.3.1.1, which caps a roof at two layers, but Stellar won't warranty an overlay and talks people out of them, because it hides the deck and the flashing that cause most leaks.
- Repair makes sense: one storm took a few tabs, the rest of the roof lies flat and sealed, and you have years left in the house.
- Repair makes sense as a bridge: you plan to replace in a year or two and need the leak stopped now.
- Replacement makes sense: blow-offs every storm season, a roof near the end of its life, or repair quotes that keep growing.
Three-Tab Repair Options Compared
| Option | What it fixes | How it will look | Best for |
|---|---|---|---|
| Replace a few tabs or shingles | Missing or torn shingles in one spot | Close match, may read darker for a season | Storm blow-offs on an otherwise sound roof |
| Hand-seal lifted tabs on a slope | Tabs that lift but are still intact | No visible change | A slope that is otherwise healthy, as a stopgap |
| Rebuild a section or slope | Widespread damage on one face | A uniform new slope beside older ones | One slope failing ahead of the rest |
| Replace the roof | Failed sealant bond and brittle shingles everywhere | Uniform; usually architectural shingles | Roofs near the end of their life |
Costs depend on access, pitch and what is found under the shingles. Stellar repairs start at $500.
Losing Tabs on a Three-Tab Roof?
We'll look at the whole roof, not just the bare spot, tell you whether a repair will hold, and show you both options when there are two honest answers. The inspection is free.
Related Guides
Matching Shingles on a Roof Repair
Discontinued colors, weathering, and what insurance does and does not say about matching.
Learn MoreRoof Patch vs Section Repair
When a spot fix is honest, and when rebuilding a slope saves money.
Learn MoreMissing Shingle Repair
How Stellar replaces blown-off shingles and what affects the price.
Learn MoreRepair or Replace Your Roof?
A fuller look at the repair-versus-replacement decision.
Learn MoreQuestions We Hear
Are three-tab shingles still made?
Yes. Major manufacturers still produce three-tab lines, and CertainTeed's XT 25 is one example still listed in 2026. The choice of colors is much narrower than it once was, and many roofers no longer install three-tab on full replacements, so supply at local distributors can be thin. A roofer may need to order a specific color, which can add time to a repair.
Can I put architectural shingles in a three-tab roof?
It is possible but rarely a good repair. Architectural shingles are thicker and laminated, so they do not lie flat in a three-tab course, they can hold the shingles above them off their sealant strip, and the patch is obvious from the street. A close three-tab color is almost always the better choice for a small repair.
Why do my new three-tab shingles look darker than the old ones?
Shingles change in the sun. Over years the surface oxidizes and loses some granules, so older shingles look lighter and flatter in color. New shingles start darker and more uniform. On most roofs the difference fades noticeably within a season or two, though on an older roof it may never vanish completely.
Is it worth repairing a 20-year-old three-tab roof?
It can be, if the damage is limited and the rest of the roof is flat and sealed. If tabs lift across whole slopes or the shingles crack when bent, repairs will keep coming. A useful starting point: near the end of a roof's life, once a repair passes about 25 percent of a replacement price, replacement usually makes more sense.
Can three-tab shingles be repaired when it is cold out?
Often, yes, but with care. Cold three-tabs are stiff and crack when lifted, and the sealant strips will not bond until warm weather. A roofer working in cold weather should warm the bundles, limit how far tabs are lifted, and hand-seal the new shingles and anything disturbed with roofing cement approved by the shingle manufacturer.
What This Page Cites
- CertainTeed Shingle Applicator's Manual, Chapter 10: Three-Tabs, CertainTeed (https://cdn.shopify.com/s/files/1/0420/1073/8840/files/XT25Install.pdf), accessed October 2026
- XT 25 shingles product page and warranty summary, CertainTeed (https://www.certainteed.com/products/residential-roofing-products/xt-25), accessed October 2026
- Recommendations for Installation of Asphalt Roofing Shingles in Cold Weather, Asphalt Roofing Manufacturers Association (https://asphaltroofing.org/recommendations-for-installation-of-asphalt-roofing-shingles-in-cold-weather/), accessed October 2026
- 2015 International Residential Code, Chapter 9 Roof Assemblies (R905.2.6 attachment, R908 reroofing), International Code Council (https://codes.iccsafe.org/content/IRC2015/chapter-9-roof-assemblies), accessed October 2026
- Roof Warranties, Stellar Roofing Company (https://www.roofstellar.com/warranty), accessed October 2026
- 2015 Michigan Residential Code, Chapter 9 Roof Assemblies (R905.2.4.1 and Table R905.2.4.1, R905.2.6, R908.3.1.1, R908.5), via UpCodes (https://up.codes/viewer/michigan/mi-residential-code-2015/chapter/9/roof-assemblies), accessed October 2026
- Mich. Admin. Code R 408.30516, Design criteria (Table R301.2(1) as amended for the 2015 Michigan Residential Code), via Legal Information Institute (https://www.law.cornell.edu/regulations/michigan/Mich-Admin-Code-R-408-30516), accessed October 2026