Metal roofing
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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Macclenny
Roof repair in Macclenny runs $350 to $1,400 for most storm damage and leak work, with the median landing around $650. That covers everything from a torn vent boot to re-securing flashing after a live oak limb drags across the roof edge. We dispatch crews to Macclenny from the moment you call, and every job starts with a written price before any work begins. You won’t chase a voicemail. Call (904) 719-6346 and a live person picks up.
Macclenny roofs face a specific set of problems: severe summer thunderstorms, hurricane-season wind gusts, and the slow damage from St. Marys River humidity that feeds moss on older shingles. Our Roof Repair team knows what to look for here, and we don’t talk around it. We tell you what’s wrong, what it costs, and how long it’ll take before the ladder comes off the truck.
Why Brennan Roofing Co Jacksonville Is Macclenny’s Preferred Roof Repair Company
Homeowners around Baker County call us because we operate under a named standard, not a handshake. The Garrison Standard means a written price before any work starts, background-checked uniformed technicians on every job, and a 365-Day Done Right Promise in writing. If our repair fails within a year, we come back and make it right at no charge. That’s not a marketing line. It’s the rule every Brennan job follows, in Macclenny or anywhere else we work.
Macclenny customers tell us the same thing: the roofer who showed up first didn’t call back, or the quote changed at the door, or the flashing looked the same after they left. We don’t operate that way. Dispatch and scheduling are coordinated from our South FL office, and crews serve Macclenny locally. Travis Oakley runs the operation, and the call you make reaches a person, not an answering service.
We understand the housing stock here. Homes south of US-90 and near the St. Marys River often have low-slope roof sections that were never built for the rainfall Macclenny gets in July. When we inspect those roofs, we look at what a standard re-roofing crew might skip: saturated decking near eaves, reused storm-damaged flashing, and missing peel-and-stick membrane where water backs up under shingles. Knowing what to look for is the difference between a repair that holds and one that leaks again by next spring.
Styles & brands we work with






Emergency Roof Repair in Macclenny
Emergency Roof Repair in Macclenny typically costs $450 to $1,200, and the work usually takes one visit. We respond to storm damage fast: a limb through the decking, wind-driven rain pouring through a torn vent boot, or flashing that peeled away during a squall off US-90. The first step is always tarping or temporary sealing to stop the water, followed by a written repair plan and price before we touch anything permanent.
Macclenny’s summer thunderstorm pattern makes this unavoidable. A severe cell rolls through, a live oak branch scrapes the roof edge, and by morning you’ve got a water stain spreading across the ceiling. Delaying the repair lets moisture reach the decking and insulation, which turns a $600 flashing fix into a $2,000 decking replacement. Call (904) 719-6346 the moment you see water. A live person answers, and we schedule a crew for Macclenny immediately.
Tarping and Temporary Sealing
When a storm opens your roof at midnight, the goal is stopping water before sunrise. We install a heavy-duty tarp, secure it at the ridge and eaves, and seal penetrations with temporary flashing. This buys time for a proper repair without letting humidity from the St. Marys River soak into exposed decking. We include the tarp cost in the written estimate, so there’s no surprise line item later.
Storm-Damage Inspection and Repair
After tarping, we inspect the full roof: shingles, flashing at vents and valleys, drip edge, and the low-slope sections that collect water during Macclenny’s heavy night thunderstorms. We document everything with photos, hand you a written repair plan, and quote the exact price before any work starts. You’ll know what we found and what it costs, in writing, the same visit.
Flat Roof Repair in Macclenny
Flat Roof Repair in Macclenny generally runs $550 to $1,600, depending on whether we’re patching a membrane leak, replacing sagging decking, or re-sealing penetrations around vents and plumbing stacks. The older homes in Macclenny, especially the 1950s and 1960s builds south of US-90 and near the St. Marys River, often have low-slope sections that were shingled without the peel-and-stick membrane modern code requires. That’s the root cause of most recurring leaks we see.
Low-slope roof sections don’t shed water fast enough for shingles alone to do the job. During a heavy Macclenny thunderstorm, water backs up at the seams, sits there, and eventually works under the shingle course. Add humidity-driven moss growth and you get decking that rots from the underside while the visible surface looks serviceable. We inspect the overhangs first, because that’s where the first ply layer fails.
Membrane Patching and Resealing
For small punctures and failing seams, we remove the damaged section of membrane, clean the substrate, and apply a compatible patch with proper lap sealant. Around roof penetrations like vent stacks and exhaust flues, we install new flashing and sealant rated for Macclenny’s wet climate. Patching works when the underlying decking is still solid, and we always verify that before quoting a patch.
Low-Slope Decking Replacement
When we find spongy decking near the eaves, the fix is structural, not cosmetic. We cut out the rotted ply, replace it to current code, add ice and water shield at the perimeter and penetrations, and then re-cover the section. This is the repair that actually holds up against Macclenny’s heavy night thunderstorms, and it’s done with a permit and inspection, not a shortcut.
Trusted Brands We Service in Macclenny
We service and install materials from the manufacturer lines homeowners in Macclenny actually ask about: GAF, CertainTeed, and Tamko are the ones we recommend most often for this region’s wind and humidity profile. Boral and Owens Corning are available when a customer wants a specific look or a heavier architectural profile on a replacement section. Because we keep common flashes, vent boots, and sealants stocked for Macclenny jobs, turnaround is fast. You don’t wait a week for a part to ship from a distributor. We choose the material that fits the repair, not whatever’s left in the truck, and we explain the difference in plain English before we write the price.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Macclenny Homes
- Lifted shingles and damaged drip edge from live oak limbs. Macclenny’s large live oaks grow right up against rooflines, especially in the older neighborhoods off US-90. High winds from summer storms push branches across shingle edges and tear drip edge away from the fascia, exposing the decking to wind-driven rain.
- Flashing failures around vent pipes and valleys. We regularly see storm-damaged flashing that was reused instead of replaced on a prior repair. Within two summers, the same leak returns. We replace flashing, not re-caulk it, on every Macclenny repair.
- Rotted decking at the eaves on low-slope sections. Humidity from the St. Marys River and moss growth accelerate rot where water lingers. Homes built in the 1950s through 1970s often have decking that looks solid at the field but is spongy near the overhang. We check the eaves first.
- Missing peel-and-stick membrane on older low-slope roofs. Many Macclenny homes predate Florida’s high-wind and secondary water barrier codes. Without that membrane, water backs up under shingles during heavy night thunderstorms and leaks into the house. We add it on low-slope sections as part of a repair.
Pricing for Roof Repair in Macclenny, FL
Here’s what we quote, on paper, before any work starts. Shingle replacement runs $350 to $750 for a standard repair. Leak repair with flashing replacement runs $450 to $1,000. Flat roof patch work runs $550 to $1,600 depending on decking condition. Vent boot replacement runs $325 to $525. Valley repair runs $500 to $1,200. If decking has rotted from St. Marys humidity, add $75 to $95 per sheet of plywood replaced, including labor. The biggest cost driver in Macclenny is hidden decking rot and code-triggered membrane upgrades on low-slope sections. We put every allowance in writing before we begin, so you know the range, not just the headline number. Call (904) 719-6346 for a free estimate with specific numbers for your roof.
We Also Serve Cities Near Macclenny
Brennan Roofing Co Jacksonville handles roof repairs across Baker County and the surrounding area. We serve Macclenny, Middleburg, Jacksonville, Orange Park, and Fleming Island. If you’re in one of these nearby cities and need a repair quote, the same Garrison Standard applies: written price, uniformed background-checked crew, and a one-year written guarantee on the work.
Serving Macclenny, FL - Our Local Coverage Area
We’re based in the Macclenny 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 Macclenny
We cut out the rotted section, replace it with new plywood to current code, and install ice and water shield over the repaired area before re-shingling. In Macclenny’s humid climate, especially near the St. Marys River, we replace any decking that shows signs of first-ply rot rather than covering it over. The written estimate includes the per-sheet cost, so you know the price before we cut anything. Call (904) 719-6346 to schedule an inspection if you suspect rot under your shingles.
Yes, when installed with the right fasteners and secondary water barrier. A 130 mph-rated shingle only performs to that rating if the roof deck is secured with adequate uplift straps and the low-slope sections have a peel-and-stick membrane beneath the shingle course. Many older Macclenny homes predate those code requirements, so a repair that only swaps shingles leaves the weak points intact. We address the fastening and membrane as part of the repair where needed. Call (904) 719-6346 for a free storm-readiness assessment.
First, we tarp the damaged area and seal any penetrations to stop water intrusion, usually within the first visit. Then we document the damage with photos, write up the full repair plan and price, and schedule the permanent work. If you call (904) 719-6346 after a storm, a live person answers and dispatches a crew to Macclenny. We don’t leave a tarp in place as a permanent fix, and we don’t start permanent work until you have the number in writing.
Because low-slope sections on 1950s and 1960s Macclenny homes were rarely built with a secondary water barrier, and that’s exactly where water backs up under shingles during heavy downpours. Ice and water shield is a peel-and-stick membrane that seals around roofing fasteners and prevents water from reaching the decking even when wind drives rain uphill. We add it on low-slope repairs as a code-compliant upgrade, and it’s included in the written price, not a surprise add-on. Call (904) 719-6346 to have your low-slope section evaluated.
No, a repair permit in Baker County does not require a full roof replacement or a whole-roof code upgrade. The permit triggers compliance on the specific area being repaired, including the decking fastening and underlayment within that section. That’s why we add uplift fasteners and peel-and-stick membrane on the repaired low-slope areas: the code review applies where we work, not to the rest of the roof. We pull the permit, schedule the inspection, and confirm the work passes before we call it done. Call (904) 719-6346 with any permit questions; we’ll walk you through it in plain English.
Written by Travis Oakley, Owner at Brennan Roofing Co Jacksonville, serving Macclenny with the Garrison Standard: written pricing, background-checked uniformed crews, and a one-year written guarantee on every repair.
If you need roof repair in Macclenny, call (904) 719-6346 now. You’ll reach a live person, get a straight answer, and schedule a free estimate with a written price before any work begins.