Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Fleming Island
Roof repair in Fleming Island typically runs $350 – $900 for most shingle, flashing, and leak repairs, and most jobs are completed in a single day once our crew is on-site. If you’re searching for a roofer who shows up when they say they will and puts the price in writing before any work starts, you’re in the right place. Brennan Roofing Co Jacksonville serves Fleming Island homeowners with background-checked, uniformed technicians who know the island’s riverfront microclimate and the specific ways it wears on a roof. Call (904) 719-6346 and a live person answers, any hour, any day.
Why Brennan Roofing Co Jacksonville Is Fleming Island’s Preferred Roof Repair Company
Fleming Island isn’t just another stop on our route. The island’s location along the St. Johns River creates repair conditions we don’t see five miles inland in Orange Park or Middleburg. South-facing slopes take reflected UV off the water all afternoon. Salt air works on drip edge and flashing. Afternoon thunderstorms roll through with wind-driven rain that finds every weak seam. Homeowners here have learned that a roofer who treats Fleming Island like anywhere else misses what’s actually failing on their roof.
We operate under The Garrison Standard, which means the same discipline on every job: a written price before any work begins, technicians who are background-checked and in uniform, and the 365-Day Done Right Promise in writing on every repair. Travis Oakley leads our Fleming Island work, and he holds crews to a simple rule: if the repair fails within a year, we come back and make it right at no charge. No arguing, no re-quoting, no fine print.
We’re part of the Garrison Partners family, founded in 2000, but this location is independently owned and operated. That means Fleming Island homeowners get a defined, named standard, not a faceless chain that can’t tell the difference between Eagle Harbor and Fleming Island Plantation.
Styles & brands we work with






Emergency Roof Repair in Fleming Island
Emergency roof repair in Fleming Island usually means a storm has opened the roof and water is getting in, and you need a tarp, a temporary patch, or a same-visit repair to stop active intrusion. We respond to Fleming Island emergency calls fast, and the price goes on paper before a technician touches the roof even when the sky is still spitting rain. A typical emergency repair in Fleming Island, depending on what’s opened up, runs $400 – $1,200, with the final number written down and agreed to before work starts.
Storm Damage Response
When a thunderstorm or tropical system lifts shingles on a Fleming Island roof, the priority is keeping water out of the decking and the house. We carry GAF StormGuard and other ice-and-water shield products on our Fleming Island trucks specifically because riverfront homes here need a better temporary and permanent barrier than what a quick patch with whatever’s in the truck provides. You get a written quote for the emergency repair, not a number that changes at the door.
Leak Investigation Under Pressure
Not every leak is obvious. On a Fleming Island home with dormers and valleys, wind-driven rain can enter under flashing that looks fine from the ground. Our crew traces the water path, tests the vulnerable spots, and shows you what we found before we touch anything. That matters on the island, because the same storm that opened your roof is likely still in the forecast.
Flat Roof Repair in Fleming Island
Flat roof repair in Fleming Island tends to cluster around patio covers, porches, and the occasional mid-century or custom addition where built-up roofing or modified bitumen has aged past its service life. Flat and low-slope sections fail differently than shingle slopes: water ponds, seams open, and heat from the Florida sun bakes the membrane until it cracks. A typical flat roof patch in Fleming Island runs $400 – $1,100, depending on the membrane type, the size of the failed area, and whether the decking underneath is sound.
Patching vs. Resealing Low-Slope Sections
For a small split or seam separation, a targeted patch with matching membrane and proper primer is often enough, and we write the price before work starts so you know whether a patch or a wider reseal is the better call. On larger ponds or alligator-cracked areas on Fleming Island flat roofs, we may recommend coating or a section replacement, and we’ll price it in writing either way.
Where Flat Roofs Fail First on Fleming Island
We see the most flat-roof trouble on older Fleming Island properties where a patio cover was tied into the main roof with a low transition, and water collects at that junction. The fix usually involves new flashing at the tie-in and a slope correction on the low side so water doesn’t sit. The price for that repair runs $600 – $1,300 on the island, and it’s one of the smartest repairs a homeowner can make before rainy season.
Trusted Brands We Service in Fleming Island
We work with shingles and membranes from Owens Corning, IKO, and Atlas, which covers the range of Fleming Island roofs from 1990s-era three-tab to modern architectural shingle. Our Fleming Island crews stock the most common matching colors and profiles locally, so a shingle replacement on a home in Fleming Island Plantation or Pace Island doesn’t turn into a week-long parts hunt. When you choose a brand for your repair, we explain the wind rating, the granule retention, and how that specific product handles the reflected-UV exposure on south-facing river slopes. You get a real choice, explained plainly.
See the difference
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AfterCommon Roof Repair Problems We See in Fleming Island Homes
- Premature granule loss on south-facing slopes. UV reflecting off the St. Johns River intensifies sun exposure on the back slope of the house, and we see granules stripped to bare mat in spots while the front slope still looks new. A roof that gets a repair on the river slope but not the valley above it will fail again within a few seasons.
- Corroded drip edge and flashing near Eagle Harbor and Pace Island. Salt air is hard on metal. Reusing original metal during a repair is a false economy on the island; we replace corroded sections with the new metal priced in the written quote.
- Water intrusion under dormer and valley flashing. Many Fleming Island homes from the 1990s and 2000s were built before ice and water shield was standard in valleys, and the first real storm finds those seams. This is the leak our crew opened up in Eagle Harbor and found the original underlayment dry-cracked at the decking seams.
- Wind-lifted shingles after afternoon thunderstorms. The same storm that drops an inch in twenty minutes can peel a shingle course that wasn’t nailed to spec. On the island, the wind rating matters, especially near the river where nothing blocks the gusts.
Pricing for Roof Repair in Fleming Island, FL
Here are honest ranges for typical roof repair in Fleming Island. A shingle replacement on a small area runs $300 – $600. Leak repair without decking replacement runs $350 – $800. Flashing repair around chimneys, skylights, or valleys runs $400 – $900. Flat roof patches run $400 – $1,100. Vent boot replacement runs $250 – $450. Valley repair with ice and water shield runs $600 – $1,300. What moves the number is the condition of the decking underneath, how much flashing has to be replaced, and whether the house is on a waterfront lot that needs a higher wind-rated product. You get the exact number in writing before any work starts. Call (904) 719-6346 to schedule a free estimate.
We Also Serve Cities Near Fleming Island
Our crews cover Fleming Island and the surrounding Clay County and Duval County areas, including Orange Park, Middleburg, Jacksonville, and Ponte Vedra Beach. If your home is near the island but outside its ZIP codes, call and we’ll route a technician. For a closer look at what a repair typically costs and how our Roof Repair process works, see the main service page. For details on scheduling in this specific area, visit Roof Repair in Fleming Island.
Serving Fleming Island, FL - Our Local Coverage Area
We’re based in the Fleming Island area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roof Repair in Fleming Island
Yes. Homes along the river in Fleming Island take reflected UV off the water on south-facing slopes, plus salt air that corrodes flashing and drip edge faster than inland, so some components simply wear out sooner. Shingles on those slopes can show granule loss years before the rest of the roof, and flashing may need replacement every two seasons instead of every ten. The repair itself isn’t more expensive on the river side, but skipping an inspection of the metal and valley flashing while you’re up there is a mistake. Call (904) 719-6346 and we’ll check the vulnerable spots as part of the estimate.
The decking. Many Fleming Island homes from the 1990s and 2000s were built before ice and water shield was standard in valleys and around dormers, so a leak that looks small from the outside often means the OSB or plywood underneath has been soaking for months. Once we open the roof, we can see what’s rotten, and that’s where the price can move from a few hundred dollars to over a thousand. We handle that with allowances written into the contract before we start, and any surprise is priced and approved in writing before we touch it. Call (904) 719-6346 and we’ll walk you through exactly how that works on your roof.
Afternoon thunderstorms are a summer constant on Fleming Island, and they usually blow through between three and six, which means we schedule most on-roof work for morning and early afternoon. If a storm rolls in mid-repair, we tarp the open section, mark it, and come back when the roof is dry enough for the materials to seal properly. That’s also why same-day emergency calls after a storm often involve tarping and temporary protection first, with the permanent repair scheduled for the next clear morning. Call (904) 719-6346 and we’ll tell you straight what the weather window looks like this week.
In most cases, yes. A flat roof with a localized split, a seam separation, or ponding at a tie-in can usually be patched or resealed for $400 – $1,100, and the patch will hold if the surrounding membrane still has life in it. If the membrane is alligator-cracked across a large area or the decking is soft, a full replacement is the honest call, and we’ll tell you that in writing before you spend a dollar. The best flat roof patches on Fleming Island involve matching the right membrane to the existing system, not just rolling on a generic coating. Call (904) 719-6346 for a free estimate on your flat roof section.
First, tarp the area from inside the attic if you can reach it safely, or place a bucket under the leak and call us at (904) 719-6346. Do not climb onto the roof after a storm; a wet shingle roof is slick, and lifted shingles can hide a soft deck. We’ll send a background-checked technician who will secure the exposed area with a tarp and storm-rated fasteners, then write the permanent repair quote on paper before any work proceeds. That temporary protection is included in the repair price, not billed as a separate surprise.
Written by Travis Oakley, Owner at Brennan Roofing Co Jacksonville, serving Fleming Island and the surrounding Clay County communities.