Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
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.
Gelco Chimney Cleaning in Mableton, GA | Hadley Chimney Marietta
Gelco chimney cleaning in Mableton typically runs $199 to $379 depending on flue condition, access, and whether critters or cap damage come into play. We’re an independent Gelco service provider, not a factory-authorized shop, and the thing that sets our Mableton work apart is simple: we document everything with photos before you ever see a recommendation. Call (762) 249-4619 for a free estimate, and we’ll send you pictures of exactly what we find from the roof to the firebox.
We’ve been inside enough Gelco factory-built systems across Cobb County to know their quirks, and our Chimney Sweep in Mableton keeps us honest on both masonry and factory flues with the area’s mix of older brick ranches and newer two-story builds. If you own a Gelco fireplace here, you’ve got a specific maintenance profile, and we’ll walk you through it plainly.
Why Mableton Residents Choose Us for Gelco Service
Cory Mitchell started pulling chimneys apart years before Hadley launched, and he passed along one habit to every tech on the crew: send the photo first, then talk about what it means. “I’ll send you the photo first – then we’ll talk about what it means.” That’s how we run Gelco work in Mableton. You don’t get a vague verdict from the ground. You get proof, on your phone, while the tech is still on the ladder.
We know Gelco systems on sight, from the zero-clearance fireboxes common in 1980s Mableton service area split-levels to the direct-vent gas units tucked into 2000s two-story builds. Our techs are background-checked and uniformed, they arrive in a tracked window, and every single job gets a written price before any work starts. If a repair fails within 365 days, we come back and fix it free. That’s the Done Right Promise, in writing.
We’re also locally stocked for the common Gelco failure points, which means we’re not waiting on a distributor in Dallas while your fireplace stays dark. For Mableton’s humidity-driven corrosion, that speed matters.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Mableton
- Creosote glaze inside Gelco air-cooled flue pipes. Mableton winters are mild but damp, so homeowners burn softer woods like pine and poplar to take the chill off without overheating the house. That resin-rich smoke cools fast inside Gelco’s air-cooled pipes and hardens into a glossy, stubborn glaze that a basic brush won’t remove. We use rotary cleaning heads and chemical treatments to break it down without gouging the flue wall.
- Rusted Gelco termination caps and rain pans off Floyd Road. The older brick chimneys in that corridor often never got rain caps installed. Storm-driven rain sits in the cap assembly, and ten years later you’ve got a rusted-through pan leaking onto the damper. We replace those with stainless aftermarket caps that hold up better in Mableton’s wet springs than the original galvanized steel.
- Warped or cracked refractory panels in zero-clearance fireboxes. Those few cold snaps Mableton gets each year push homeowners to run their Gelco fireplaces hard for a week or two straight. The refractory panels inside crack under repeated thermal shock. A cleaning visit usually reveals the damage, and we’ll show you the photo before recommending replacement.
- Blocked or corroded Gelco gas logs and pilot assemblies. Summer humidity in a rarely used fireplace breeds corrosion on the gas train. By the time September’s first cool evening rolls around, the pilot won’t stay lit. Cleaning the burner, logs, and pilot assembly usually restores function without a major parts bill.
- Debris and animal nests in uncapped Gelco flues. Mableton’s mature tree canopy near the Silver Comet Trail corridor drops plenty of leaves and twigs into open flues. Squirrels find Gelco’s insulated chase tops surprisingly convenient. We remove the nest, sweep the flue, and fit a proper cap so the problem doesn’t repeat next spring.
Gelco Service in Mableton: What Local Conditions Mean for Your Equipment
Here’s a pattern we see in Mableton that you won’t find across the county line. In the established neighborhoods off Floyd Road, many of the original 1960s and 1970s brick chimneys were built without rain caps, and the clay tile liners behind them were never swapped for stainless steel. Each spring, we get calls from homeowners with water-stained ceilings and Gelco dampers rusted so badly they have to be chiseled out of the throat. The rain isn’t even especially heavy, but Mableton’s humid subtropical pattern means water hangs around long after the storm moves through, and a rusted damper in a damp flue turns into a rusted Gelco fireplace because air can’t move. It all connects. A $289 cap installed in February often prevents a $1,900 rebuild quote in May. That spring rain pattern off Floyd Road shapes more of our Gelco cleaning and Chimney Repair in Mableton schedule than anything else.
Gelco Models & Products We Service in Mableton
We service the full Gelco fireplace range you’ll find across Mableton housing stock: the factory-built wood-burning zero-clearance firebox, B-vent gas fireplaces, direct-vent gas units, and the air-cooled chimney systems with metal flues and termination caps. When a Gelco component must match exactly, we use OEM Gelco replacement parts. For consumables like caps, dampers, and sealants, we frequently recommend aftermarket equivalents engineered to outperform the originals in Mableton’s humidity. If your Gelco unit is over 20 years old with multiple compromised parts, we’ll tell you straight when replacement beats repair. Our approach to Gelco sales & service starts with the visual evidence from your roof and firebox, never a guess.
See the difference
Before
After
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After
Before
AfterGelco Service Pricing in Mableton
Here’s what Gelco service typically costs in Mableton, broken down so you arrive informed:
- Gelco chimney sweep (standard): $199 – $279, including full flue cleaning, firebox cleanup, and a 21-point safety check.
- Creosote glaze removal (heavy buildup): $329 – $449. Rotary cleaning with chemical assist. The glaze comes off without damaging the flue wall.
- Gelco cap replacement (stainless multi-flue): $389 – $599 installed, depending on flue diameter and roof access.
- Refractory panel replacement: $289 – $479 per panel, OEM or aftermarket depending on firebox age.
- Gas log and pilot cleaning: $189 – $289, including burner cleaning and safety sensor checks.
What drives the cost in Mableton is access: a two-story roof with a 10/12 pitch runs higher than a ranch with walkable slope. Every estimate includes the camera inspection photos you keep, and the price is written down before we touch a brush. Call (762) 249-4619 for an exact quote on your Gelco system. Estimates are free.
Serving Mableton, GA - Our Local Coverage Area
We’re based in the Mableton 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 – Gelco Chimney Cleaning in Mableton
Seasoned oak still produces creosote, and in Mableton’s damp, mild winters the smoke cools faster than it would in a long, dry burn. Gelco’s air-cooled flue design makes that cooling more pronounced, so the creosote condenses on the inner pipe wall as a hard glaze. Softwood burning, common here, makes it worse. Even oak fires need an annual sweep in this climate, and if you’re seeing glaze buildup within one season, we’ll show you what’s happening on camera and recommend a cleaning schedule that matches your actual burn habits. Call (762) 249-4619 and we’ll get it diagnosed.
Yes. Unused Gelco gas fireplaces in Mableton collect dust, corrosion, and sometimes spider webs in the pilot assembly and burner ports, particularly through humid summers. The gas logs may look fine but the pilot could fail on the first cold night. A cleaning removes the corrosion and confirms the venting is clear so carbon monoxide isn’t pushed back into the room. It’s usually a quick visit, and the price is written before we start. Call (762) 249-4619 to schedule.
Often, yes. If the brick crown itself is intact and only the cap assembly has rusted through, we can remove the old Gelco termination cap and install a stainless multi-flue cap without touching the masonry. We’ll show you the crown condition in photos before we quote, and we’ll tell you honestly if crown repair is needed. Call (762) 249-4619 and we’ll look at the photos together.
Yes, and for Mableton specifically, the Level 2 inspection matters because many of those 1990s Gelco systems in the large subdivisions were built with galvanized caps that are now approaching 30 years old. The internal flue joints may be corroded in places you can’t see from the firebox. A Level 2 includes the camera scan of the full flue interior, and you’ll get photos showing exactly what’s sound and what’s not before you close on the house. Call (762) 249-4619 to book the inspection before your option period ends.
The musty smell is almost always organic debris or moisture trapped in the flue and firebox over Mableton’s humid summers. If your Gelco fireplace was used in winter and then sat unused through spring and summer, creosote residue absorbs moisture and grows mold. A deep sweep and firebox cleaning removes the source, and installing a cap or top-sealing damper stops the moisture from coming back. It’s a modest fix, and you’ll get before-and-after photos to see what came out. Call (762) 249-4619 for a quote.
Service Areas Near Mableton
Hadley Chimney Marietta provides Gelco service throughout Mableton and nearby communities including Gelco service in Marietta, Gelco service in Milton, Lithia Springs, Vinings, and Fair Oaks. If you’re on the edge of Mableton or just outside, call and we’ll let you know which crew covers your street.
Book Your Gelco Service in Mableton Today
Your Gelco fireplace has a maintenance cycle, and Mableton’s wet springs and damp winters make that cycle predictable. We’ll show you what’s going on with your flue before you spend a dollar. Call (762) 249-4619 now for a free estimate, and we’ll put it in writing.
Written by Cory Mitchell, Owner at Hadley Chimney Marietta, serving Mableton since 2003.