Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Fireplace Repair Across Woodstock
Fireplace repair in Woodstock, GA typically runs between $190 and $2,700 depending on what’s wrong, and most jobs are completed in a single visit. A damper replacement usually lands between $190 and $420, while a full firebox rebuild with HeatShield resurfacing can push toward $2,700 on older masonry chimneys. Woodstock homeowners often don’t know whether they have a real problem or an upsell waiting to happen, especially across the split housing stock here. Call (478) 796-8742 to schedule a repair with clear camera evidence before any recommendation.
We work across Woodstock every week, from the older ranches off Bells Ferry Road to the newer subdivisions along Highway 92. Nathan Corliss leads our team, and he’s insistent on one thing: no repair gets recommended unless our camera shows you the damage. That matters in a market where prefab units in 1990s homes get ignored until they crack, while 1960s masonry chimneys quietly crumble behind the brick.
Our teams dispatch from the Atlanta office and serve Woodstock locally, so when you call, you reach a live person who can schedule for your neighborhood without a callback loop. We answer the phone 24/7.
Why Ashby Chimney Marietta Is Woodstock’s Preferred Fireplace Repair Company
Woodstock homeowners call us after other companies have already let them down. A tech who never showed. A quote that doubled at the door. A liner patch that failed by spring. Ashby Chimney Marietta has operated since 2002 under the Kingswell Guarantee, and the standard here is written down, not implied.
Every job gets a written price before any work starts. Not a ballpark, not a verbal estimate, a written number that matches the invoice. Every repair also includes a written guarantee. If a covered repair fails inside the guarantee period, we return and correct it at no charge. That’s the 365-Day Done Right Promise, and it’s why our Fireplace Repair team has a steady stream of referrals across Cherokee County.
Our techs are background-checked and uniformed. You’ll know who’s walking into your home before they arrive, and you’ll see the same name and face if a follow-up is ever needed. Around Woodstock, that consistency matters. Homeowners here have told us they’ve dealt with three different techs and three different stories from the same company.
Styles & brands we work with
Gas Fireplace Installation in Woodstock
Gas fireplace installation in Woodstock usually runs between $2,300 and $5,500 for a complete insert and venting setup, though straightforward replacements in existing fireboxes can land near the lower end. We install gas inserts into both masonry fireboxes and prefab zero-clearance units, which covers most of the housing mix you’ll find from Towne Lake Parkway over to Highway 92.
Inserts for Older Masonry Fireplaces
Many Woodstock homes from the 1960s through the 1980s have original masonry fireplaces that were built for wood, not gas. When you’re venting a gas insert through those stacks, you need a properly sized liner matched to the appliance. High-efficiency gas appliances produce acidic condensate that eats old mortar joints, so we run camera scopes before recommending any liner work. If the flue is tight and sound, you’ll see it on camera. If it’s not, you’ll see that too.
Prefab Unit Replacements
In the Highway 92 subdivisions, we see plenty of original builder-grade gas fireplaces from the 1990s and 2000s that were never serviced. When the burner assembly or valve dies, replacing the entire insert is often cheaper than chasing parts for a discontinued unit. We install inserts using materials from Olympia Chimney and Gelco, and the price you’re quoted before the job starts is the price on the invoice.
Gas Fireplace Maintenance in Woodstock
Gas fireplace maintenance in Woodstock costs between $150 and $350 for a full service, which should happen every year if you use the unit regularly through our mild but occasionally freezing winters. Homeowners sometimes skip maintenance on gas fireplaces assuming they’re low-maintenance, but a dirty thermocouple or blocked vent can leave you with no heat on the one cold weekend you actually need it.
Burner and Pilot Service
We clean burners, check the thermopile and thermocouple, test gas pressure, and inspect the logs and refractory panels for hairline cracks. A pilot light that won’t stay lit is often a dirty thermocouple, which is a quick fix. But if the gas valve itself is failing, you need to know before the cold snap hits, not during it.
Venting and Carbon Monoxide Checks
A gas fireplace that vents incorrectly can push carbon monoxide into your living room instead of up the flue. That’s not a scare tactic, it’s a reality of combustion appliances. We test draft and check for proper termination at the cap. If your Woodstock home has a gas insert venting through an old masonry chimney that was never relined, we’ll show you what the camera finds before we recommend anything.
Trusted Brands We Service in Woodstock
We stock local parts in Woodstock for the brands we service most, which means faster turnaround when your fireplace goes down mid-season. Our installs and repairs use professional-grade materials from established chimney-trade suppliers, including HeatShield for flue resurfacing, Gelco for liners and components, and Olympia Chimney for caps and terminations. Nathan Corliss doesn’t want whatever was in the van; he wants the right part for the job, every time. If you have a fireplace or insert from a major gas fireplace manufacturer, we can service it, and if you’re not sure what brand you have, we’ll identify it during the inspection.
See the difference
Before
After
Before
After
Before
AfterCommon Fireplace Repair Problems We See in Woodstock Homes
- Third-degree creosote glaze in prefab units off Highway 92. These chimneys are often never swept because homeowners assume zero-clearance means zero-maintenance. The glaze hardens behind the firebox and becomes a fire risk.
- Spalling brick and deteriorated mortar in 1960s-80s masonry chimneys. Freeze-thaw cycles off Bells Ferry Road push moisture into old brick, and the faces pop off. This is structural, not cosmetic, especially when it reaches the firebox.
- Rusted dampers in rarely used fireplaces. Woodstock’s humid summers rust damper assemblies shut, and on chilly nights smoke backs up into the room. We replace them regularly across Towne Lake and Eagle Watch.
- Gas inserts vented into unlined masonry stacks. High-efficiency gas appliances were never meant to vent through old clay-tile chimneys. Acidic condensate eats mortar, and eventually the smoke chamber starts to fail.
Pricing for Fireplace Repair in Woodstock, GA
Here’s what you can expect to pay in Woodstock’s market:
- Damper replacement: $190 – $420
- Pilot light and thermocouple repair: $160 – $310
- Firebox repair (minor mortar and brick): $350 – $900
- HeatShield resurfacing (per section): $700 – $1,300
- Full firebox rebuild: $1,800 – $2,700
- Gas insert installation: $2,300 – $5,500
Several factors move the number: whether the flue is accessible or buried behind finished walls, whether we need scaffolding on a steep pitch, and what our camera finds inside the smoke chamber. You’ll get a written price before any work begins, and that price doesn’t change at the door. Call (478) 796-8742 for a free estimate on your specific fireplace.
We Also Serve Cities Near Woodstock
Our crews serve Woodstock and the surrounding communities throughout Cherokee and Cobb counties. If you live in Kennesaw, Acworth, Marietta, or Smyrna, you’ll get the same written pricing, background-checked techs, and 365-Day Done Right Promise. The drive is short, and the standard doesn’t change.
Serving Woodstock, GA - Our Local Coverage Area
We’re based in the Woodstock 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 Fireplace Repair in Woodstock
Yes, and often more urgently. Prefab metal chimneys are frequently skipped for years because homeowners assume they are maintenance-free. Third-degree creosote glaze can build behind the firebox in a single season of slow, low-temperature fires, which is exactly the kind of fire we get in Woodstock’s mild winters. The repair risk here isn’t brick spalling, it’s a cracked flue liner letting heat reach combustibles. Call (478) 796-8742 and we’ll run a camera inspection on your prefab unit so you know what’s inside, not what someone guesses is inside.
Because the water is coming from the inside, not the outside. Older masonry chimneys in Woodstock built in the 1960s through the 1980s often have unlined or clay-tile flues that let acidic creosote and moisture soak into the mortar from within. Repointing the exterior brick does nothing when the smoke chamber is shedding mortar behind it. The fix is resurfacing the flue, usually with HeatShield, and repairing the smoke chamber from the inside. We’ll show you the camera footage before recommending anything.
High-efficiency gas appliances vent into stacks that were built for wood smoke, and the result is acidic condensate eating the mortar joints from inside. In Woodstock homes with 1960s and 70s masonry chimneys, we regularly find sections of the smoke chamber that have begun to collapse. The repair is a properly sized liner matched to the gas appliance, which stops the condensate from touching the old brick at all. You should expect us to camera-scope that flue before we tell you it needs a liner, because we won’t tell you it needs one without proof.
Third-degree creosote is a hard, shiny glaze that looks like tar baked onto the flue walls, and a standard wire brush won’t move it. In Woodstock’s prefab units off Highway 92, we see this glaze form after a season or two of small fires that never get hot enough to burn it off. If you shine a flashlight up from the firebox and see a glassy surface instead of rough clay or metal, that’s glazed creosote, and it needs a chemical treatment or mechanical removal, not a sweep. The only way to know for sure is a camera inspection, which we include with our repair visits.
A rusted damper gets replaced, not repaired. Woodstock’s humid summers rust the damper assembly, and once it seizes, the smoke has nowhere to go but back into the room. A typical damper replacement here runs $190 to $420, and we install a new top-sealing damper that keeps out rain, birds, and humidity better than the original. It’s a same-visit job in most cases. Call (478) 796-8742 and we’ll give you a written price before starting.
Written by Nathan Corliss, Owner at Ashby Chimney Marietta, serving Woodstock since 2002.