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 Garland
Roof repair in Garland, TX typically costs between $350 and $1,850 depending on what failed, how much decking is rotted, and whether the home sits on a standard subdivision lot or acreage with septic setbacks. Most jobs we quote for Garland homeowners involve hail damage, failed flashing, or aging 3-tab shingles on 1960s through 1980s ranch homes. If you’ve got water coming through the ceiling or missing shingles after the last storm, call us at (903) 499-4441. We answer with a live person, and we’ll put the price on paper before any work starts.
Key takeaways:
- Garland issues its own building permits for roofing, with wind uplift codes that differ from Dallas County’s unincorporated requirements
- Hail and wind damage from March through June drives most repair calls across Garland neighborhoods, especially north of I-30 and around Duck Creek
- Every job starts with a written price in hand – never a verbal ballpark that changes at the door
- Our 365-Day Done Right Promise means if the repair fails within one full year, we come back and fix it at no charge
Why Brennan Roofing Co Dallas Is Garland’s Preferred Roof Repair Company
Brennan Roofing Co Dallas operates under The Garrison Standard, a named, written code that governs how every job runs: written price before any work begins, background-checked uniformed technicians inside the promised window, and a one-year written guarantee. We’re an independently owned member of the Garrison Partners family, founded in 2000. This page exists because Garland homeowners on acreage deserve a roofer who knows the difference between a City of Garland permit and a Dallas County one, and who prices for septic setbacks instead of discovering them mid-job.
Travis Oakley leads our repair crews. When Garland homeowners call us, a live person answers – no voicemail, no automated system. We dispatch background-checked, uniformed techs who arrive with tarps, fasteners, and flashing stock on the truck. We don’t subcontract repair calls to whoever’s available. The same standard applies whether we’re patching a flat roof on a detached shop near Firewheel or re-flashing a chimney on a 1970s ranch south of Duck Creek.
Our reputation in Garland comes from doing what we said we’d do, at the number we wrote down before the first ladder went up. We install materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. We’ll explain what your existing roof has, what’s worth repairing, and what’s worth replacing – in plain English, with dollar figures attached.
Styles & brands we work with






Flat Roof Repair in Garland
Flat roof repair in Garland typically runs $400 to $1,200 depending on the membrane type, the number of penetrations, and whether the decking underneath has rotted. We see flat roofs most often on detached garages, carports, patio covers, and workshop additions on the acreage properties around Firewheel and east of town. The job usually involves locating the leak, cutting back damaged membrane, replacing wet insulation or rotted decking, and applying a compatible patch system – either torch-down modified bitumen, EPDM, or TPO, matched to what’s already there. A homeowner needs flat roof repair when water stains show up on the ceiling below a low-slope section, or when ponding water sits for more than 48 hours after a Garland rain.
Patching vs. Full Membrane Replacement
If the membrane is less than 10 years old and the damage is localized, a patch makes sense – typically $400 to $650. If the membrane is original to a 1980s addition and showing widespread cracking, patching buys time but not much. We’ll show you the condition before we quote. You’ll see it on paper. We replace sections only when patching would fail inside the guarantee period.
Septic Setbacks and Staging on Garland Acreage
On properties where a flat-roof shop or carport sits near a septic drain field, material staging can’t happen over the leach lines. Compacting that soil with a stack of shingles or a lift causes real drainage problems. We hand-carry materials and run longer hauls from the trailer. That’s priced in before we start – not added at the door.
Shingle Roof Repair in Garland
Shingle roof repair in Garland runs $350 to $1,850, with the most common jobs – vent boot replacement, ridge cap repair, valley re-flashing, and spot shingle replacement – falling between $350 and $900. The cost climbs when we find rotted decking underneath, which is common on Garland’s 1960s ranch homes where original 3-tab shingles sit over spaced board decking. A full architectural shingle replacement on a steep-pitched Firewheel home will push toward $18,000 to $30,000 depending on square footage and decking condition, but that’s a replacement, not a repair. Repair is what happens when the damage is localized and the roof still has serviceable life.
Hail Damage and Wind-Created Ridge Cap Loss
Garland’s severe weather season runs March through June. After hail comes through, neighborhoods north of I-30 see a wave of 3-tab shingles with spatter damage – small circular impacts that bruise the mat and break the granule bond. Insurance adjusters miss these when they only look from the ground. We document bruises with close-up photos and a written repair scope. Steeper roofs in Springpark and newer developments lose ridge caps to wind because installers skipped the starter strip or used the wrong nailing pattern. The manufacturer’s 130-mph wind rating only holds when the cap is nailed to spec.
Valley and Vent Boot Repairs
Valley leaks are a top call from Garland homeowners with hip roofs. The valley collects runoff from two roof planes, and when the flashing or woven shingles fail, water gets into the attic fast. We re-flash valleys with metal or re-weave them depending on slope. Vent boot repair is the cheapest fix we do – typically $180 to $350 – and it solves a surprising number of “ceiling stain” calls. A cracked neoprene boot lets water run straight down the pipe into the living space.
Trusted Brands We Service in Garland
We stock and install shingles and membrane from IKO, Atlas, and Tamko alongside the full GAF, CertainTeed, and Owens Corning lines. Your existing roof dictates what matches, and we’ll explain the differences plainly. Atlas makes a line of impact-resistant shingles that Garland homeowners often choose after a major hailstorm – many insurance carriers offer premium discounts for them. IKO and Tamko give us solid architectural options at lower price points when budget is the constraint. If we’re repairing rather than replacing, we’ll match what’s already on the roof. When we’re replacing, we’ll show you samples and give you a line-item quote with the brand name on it.
Common Roof Repair Problems We See in Garland Homes
- Original 3-tab shingles over spaced board decking. 1960s Garland ranches were built with 1×6 decking and gaps between boards. Hail impact on those unsupported spans cracks shingles faster than on solid sheathing, and roofers who skip decking replacement before re-shingling create soft spots that fail under the next storm north of I-30.
- Improper flashing on detached shops and ADUs. Acreage lots near Firewheel often have shop additions or in-law quarters that were built without permits. Roof-to-wall intersections lack proper step flashing, so every rain sends water behind the siding. Homeowners blame the main house roof when the leak is actually on the unpermitted addition.
- Wind-related ridge cap loss on steep-pitched newer roofs. Springpark and newer Garland subdivisions have steeper roof profiles. When caps are installed without a starter strip or with the wrong nail count, the 130-mph manufacturer rating is void. We see caps in yards after every March wind event.
- Flat roof ponding on old patio covers and carports. Low-slope additions from the 1970s and 80s settle over time. Water that should drain sits for days, degrading the membrane and eventually leaking into the adjacent wall. We fix the pitch by adding tapered insulation or re-framing the low point.
See the difference
Before
After
Before
After
Before
AfterPricing for Roof Repair in Garland, TX
Here are the actual Garland ranges, on paper:
- Vent boot replacement: $180 – $350
- Spot shingle repair (up to one square): $350 – $600
- Ridge cap repair: $350 – $650
- Valley re-flashing: $500 – $900
- Flashing repair at wall or chimney: $400 – $800
- Flat roof patch (single penetration): $400 – $650
- Decking replacement (added per sheet when rot found): $90 – $140 per 4×8 sheet
- Full architectural shingle replacement: $18,000 – $30,000 depending on size, slope, septic setback, and decking condition
What moves the price in Garland: whether the City of Garland requires a permit (most structural repairs and full replacements do), whether the home has one layer or two of shingles to tear off, whether decking is rotted, and whether septic or well setbacks force longer material hauls. On acreage properties near Firewheel or Duck Creek, those last two add real labor hours. We scope the job before we quote, so those costs are in the written number, not discovered after the tear-off.
Call (903) 499-4441 and we’ll send a tech out for a free estimate. You’ll get a line-item written quote before any work starts.
We Also Serve Cities Near Garland
Our crews serving Garland also handle roof repair calls in Rowlett, Mesquite, Dallas, and Seagoville. If you’re just outside the Garland city limits but within the county’s unincorporated areas, we can still help – permitting rules change outside the City of Garland, and we handle that paperwork too. Call (903) 499-4441 and we’ll confirm coverage and schedule a free estimate. Our Roof Repair team runs calls across the eastern metroplex daily.
Serving Garland, TX - Our Local Coverage Area
We’re based in the Garland 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 Garland
If your property is within Garland’s city limits, you need a permit from the City of Garland – not Dallas County – for any structural roof repair or full replacement. Garland’s building department issues roofing permits and enforces wind uplift codes with a 3-second gust design of 90 to 110 mph depending on exposure. Dallas County only governs unincorporated areas. We determine which jurisdiction applies to your address and pull the permit ourselves. The permit fee is in your written quote. Call (903) 499-4441 and we’ll sort it out.
Septic and well setbacks directly affect staging and material handling. When the drain field or wellhead sits between the driveway and the damaged section of roof, we cannot run equipment over it or stack materials on it. Compacting soil over a leach field damages the system. On a recent job near Firewheel, a 2-acre property’s shop sat close to the septic drain field, so we hand-carried shingles over a 300-foot haul from the street. That labor is priced into the quote before we start. Expect $200 to $500 in added hauling labor on properties where the roofline is far from street access or set back behind protected ground.
If the 3-tab shingles are original to a 1970s Garland ranch, they’re 50+ years old. An asphalt shingle roof’s functional lifespan in North Texas is 15 to 25 years. Repairing a few hail bruises on a roof that old is throwing money at a failing system. When decking is softened or the shingle mat is brittle, we’ll tell you directly: a repair won’t survive the next hail season. If the roof has one or two localized soft spots and the rest of the decking is sound, a repair may buy you a year or two. We’ll show you photos. We’ll put the repair price and the replacement price on the same sheet, and you decide. Call (903) 499-4441 for the free inspection.
Yes. Garland’s wind uplift requirements for a 3-second gust design of 90 to 110 mph mean architectural shingles need a six-nail pattern, not four nails, when the roof is on a steep-pitched home in an exposed area like Firewheel. The manufacturer’s 130-mph rating only holds with that nailing pattern and a proper starter strip. Roofers who skip it void the warranty. We nail to the Garland code and to the manufacturer’s high-wind spec – six nails per shingle, every time, on steep exposures.
It’s a flashing issue, and it’s the most common leak source we find on detached shops and additions near Duck Creek. The spot where the flat or low-slope shop roof meets the main wall needs step flashing or counter-flashing, and if the addition was built without a permit, that flashing was likely skipped entirely. Repairing the membrane won’t fix it. The wall-to-roof joint has to be re-flashed. That runs $400 to $800 on most Garland shops depending on access. We’ll inspect it and show you the exact failure before we quote.
Ready for a Written Quote on Roof Repair in Garland?
Garland’s building permits are issued through the City of Garland, not Dallas County, which means our roof repair crews follow Garland-specific wind uplift codes – a 3-second gust design of 90 to 110 mph depending on exposure. That’s a fact, not a marketing line. We scope before we quote. We put the price on paper before any work starts. We stand behind the repair, in writing, for one full year, and if it fails, we come back at no charge. Call (903) 499-4441 to schedule your free estimate. A live person answers. Every time.
Written by Travis Oakley, Owner at Brennan Roofing Co Dallas, serving Garland and the eastern DFW metroplex.