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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
CertainTeed Shingle Repair: The Jacksonville Owner’s Guide
If you have CertainTeed shingles that are cracked, curling, missing, or leaking, we repair them. Typical CertainTeed shingle repair in Jacksonville runs $275 to $675 for a small to mid-size repair, depending on how many shingles failed, the roof pitch, and whether the underlayment or flashing is involved. Most owners find a failed shingle by spotting granules in the gutter or a water stain on the ceiling after a hard Florida downpour.
Which CertainTeed Models This Applies To
We match and repair across the CertainTeed shingle lines you see on Jacksonville roofs: XT 25, Landmark, Landmark Pro, Landmark TL, Highland Slate, Presidential Shake, and Carriage House. The key to a repair that doesn’t stand out is matching both the shingle and the color lot. CertainTeed color names like Moire Black, Weathered Wood, Georgetown Gray, and Driftwood sound specific, but the actual color can shift slightly between production runs. A roof that’s five years old with Landmark in Georgetown Gray will not match a fresh bundle of the same color without some blending work. We pull dimensions and model numbers when we can, but on older roofs we often work from a small sample that we take from an existing shingle and bring to the supplier to match by eye.
One point worth knowing: Independent roofers like Brennan Roofing Co Jacksonville are not affiliated with CertainTeed. We install and repair their products because they hold up well in Florida heat and wind, but we buy through distributor channels, not from CertainTeed directly. We also work with GAF and Owens Corning on repair jobs, so if you aren’t sure what’s on your roof, we identify it before we quote anything.
Styles & brands we work with






Signs Your CertainTeed Shingle Repair Is Failing
- Granules collecting in gutters and downspouts. CertainTeed asphalt shingles shed surface granules as they age. A few granules is normal for an older roof. A pile of them after a storm usually means the shingle surface is breaking down and water is getting closer to the mat underneath.
- Curling at the corners. Jacksonville’s summer sun can cook a roof deck past 140 degrees. Older shingles curl because the asphalt dries out and the shingle loses its ability to lie flat. A curled corner catches wind and starts tearing off in heavy weather.
- Cracks or splits running through the shingle. This is thermal stress. The shingle expands and contracts every day in Florida’s heat and humidity cycle, and eventually the material fatigues. A split shingle is an entry point for water.
- Missing shingle tabs or whole shingles. After a tropical storm or a strong afternoon thunderstorm, you may see bare spots on the roof. A missing shingle exposes the underlayment and the nails below, which is an open invitation for a leak at the next rain.
- Water stain on the ceiling or along a wall. By the time you see the stain inside, water has already migrated through the shingle layer, underlayment, and decking. The repair is no longer just shingle replacement, it involves drying and checking the decking for rot.
See the difference
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AfterReplacement Cost & What’s Included
For a small CertainTeed shingle repair in Jacksonville, you can expect to pay between $275 and $425. That covers a technician visit, shingle color matching, removal of the failed shingles, replacement with new CertainTeed shingles, sealant, and cleanup. Mid-size repairs involving 10 to 25 shingles, valley flashing, or a section of drip edge typically run $450 to $675. If the underlayment is torn or the decking has rot, the price increases because we cut out the bad wood and replace it before laying shingle.
We give a written price before any work starts. That number includes parts and labor, and it does not move when the technician is on site. Every CertainTeed shingle repair we do comes with a one-year written guarantee: if it fails inside that year, we come back and fix it at no charge. That is the Garrison Standard we run every job by.
DIY or Call Us?
Working on a roof in Jacksonville is in the same category as high-tension garage door springs: the risk isn’t worth it for someone who isn’t trained. Shingle work happens on a slope, in direct sun, on a surface that gets slick with humidity and rain. Falls from a one-story roof can be fatal, and a two-story fall often is. If that’s not enough, a bad repair job, wrong nails, wrong sealant, or a mismatched shingle can cause a leak that costs more than the original repair.
That said, you can absolutely check a few things from the ground: look for missing or curled shingles with binoculars, check gutters for granule buildup, and look at the roof after a storm with a phone camera. If you see something off, call us at (904) 719-6346 and we will come out, take a look, and give you a written price before any work starts. No pressure, no mystery pricing.
FAQs
CertainTeed’s Landmark line carries a manufacturer warranty that can run 30 years to lifetime depending on the product, but real-world lifespan in Jacksonville’s sun, humidity, and storm cycles is typically 18 to 25 years. We see roofs failing earlier than that when the attic ventilation is poor or the original install was sloppy. If you tell us the model and approximate age during the estimate, we can give you an honest read on whether a repair makes sense or a replacement is the better money.
Yes, if the shingles around the damaged area are still in decent shape and the damage is localized, a small repair is a reasonable call. We match the shingle and blend the color as closely as the current lot allows. What we won’t do is patch a roof that is clearly at end of life, because you will be calling us again next year for the same problem. Call (904) 719-6346 and we’ll be straight with you about which situation you have.
Most repair jobs are done in two to four hours, including setup, the repair itself, and cleanup. A larger section with decking replacement runs longer. We show up in the window we promised, with a background-checked uniformed technician, and the price is already in your hand before we ladder up.
We carry a selection of common CertainTeed colors on the truck for smaller repairs, and we order less common color lots through our Jacksonville suppliers, typically next day. The exact match determines whether we can fix it same-day or need a day to pull materials. Either way, you get the written price before we schedule anything.
Written by Travis Oakley, Owner, Brennan Roofing Co Jacksonville at Brennan Roofing Co Jacksonville, serving Jacksonville and nearby areas.