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.
Fast, Reliable Chimney Inspection Across Union City
A chimney inspection in Union City typically runs $189 – $489 depending on the level and whether camera work is included, and most inspections take under two hours once our tech is on site. We’ve been inspecting chimneys across Atlanta’s southwest corridor since 2002, and the homes here in Union City have their own set of problems: 1980s clay liners cracking from freeze-thaw cycles, builder-grade fireplaces condensing creosote faster than owners expect, and rural wood-stove setups that load up fast when they become primary heat. If you live in Union City and haven’t had a look inside your flue in a few years, call Ashby Chimney Atlanta at (678) 263-7908. Nathan Corliss leads our crew, and every inspection comes with a written price before we climb a ladder.
Our Chimney Inspection team knows the streets, the housing stock, and the weather patterns that make Union City chimneys fail the way they do. This page covers what we see, what it costs, and how to know whether you need a Level 1, Level 2, or camera inspection before the next cold snap.
Why Ashby Chimney Atlanta Is Union City’s Preferred Chimney Inspection Company
Union City homeowners call us because we answer the phone with a live person, we show up in the window we promised, and the price we quote at the door is the price on the invoice. That’s the Kingswell Way: say the price, show up, leave it cleaner, put the guarantee in writing, and come back if something fails. We’ve operated this way since 2002, and Nathan Corliss still runs inspections and repairs with that same standard.
Our techs work neighborhoods across Union City regularly: Shannon Villas, Tell River, the Ranchview area, and the subdivisions off Roosevelt Highway and Flat Shoals Road. We know the 1970s ranch on one street might have an original clay liner, while the 2005 two-story three blocks over has a prefab metal chimney with an uninsulated chase. That local knowledge changes what we look for. Every tech is background-checked and uniformed, so you know exactly who’s walking into your home.
Styles & brands we work with





Chimney Leak in Union City
A chimney leak in Union City usually traces back to cracked flue tiles, failed crown mortar, or missing flashing, and the humid climate here makes those problems show up faster than homeowners expect. Union City gets enough rain and humidity that efflorescence, freeze-thaw spalling, and rusted chase covers are routine finds. When a chimney leaks, water creeps down through the flue and into the firebox, the smoke chamber, and sometimes the drywall around the fireplace.
Crown and Flashing Leaks
The crown is the concrete cap that seals the top of a masonry chimney, and Union City’s freeze-thaw cycles break down crown mortar within a decade or two. Once the crown cracks, water penetrates the brick below. Flashing, where the chimney meets the roofline, is the other common culprit. We inspect both during a Level 2, and repair estimates are written before any work starts.
Interior Water Damage From Flue Cracks
Water entering through hairline flue cracks doesn’t just drip. It mixes with creosote to form an acidic slurry that eats mortar joints and rusts dampers. In Union City’s humid summers, that moisture barely evaporates. We use camera inspection to find the exact crack, then quote a repair with materials from chimney-trade brands like HeatShield or Gelco, not whatever’s in the van.
Chimney Camera Inspection in Union City
A chimney camera inspection in Union City is the only way to see hairline flue cracks, hidden wall separation, and third-degree creosote deposits that a standard sweep can’t detect from above or below. We run a high-resolution camera through the full flue length and record everything, then walk you through the footage on the spot. Homeowners in Union City’s older homes frequently have problems that look like “drafting issues” but are actually structural.
What the Camera Catches
The camera catches freeze-thaw spalling in original 1980s clay liners, gaps between flue tile sections, and smoke chambers packed with tar glaze. It also catches the uninsulated chimney chase problems we see in 1990s – 2000s builder-grade construction. If there’s a crack, you see it on screen and we point to it.
Photo Report Included
Every camera inspection includes a photo report you keep. That matters in Union City, where real estate transactions on post-2000 homes frequently require a documented Level 2 inspection. If you’re buying or selling, the report is the evidence; if you’re staying, it’s the proof of what needs attention now versus what can wait.
Trusted Brands We Service in Union City
We service and repair systems built with all the major chimney-trade brands found in Union City homes, including HeatShield, Gelco, Olympia Chimney, and Famco. When a repair involves a reline or a firebox patch, we use materials from those manufacturers rather than whatever generic product happens to be on the truck. For Union City customers that means shorter turnaround when specific components need ordering because our Atlanta office keeps common HeatShield and Gelco materials in stock. Repairs go in with a written guarantee, and if a covered repair fails inside the guarantee period, we return and fix it at no charge. That’s the 365-Day Done Right Promise, and it’s not an add-on.
Common Chimney Inspection Problems We See in Union City Homes
- Freeze-thaw cracking in original clay liners. Homes built in the 1970s through the 1990s across Union City still run their original clay flue tiles, and the rapid temperature swings between late winter and early spring cause spalling and hairline fractures. Owners usually notice a smoky downdraft first and assume the damper is the problem.
- Third-degree creosote from wood-stove primary heat. Rural properties around Union City that burn wood from October through March build glazed, tarry creosote far faster than occasional fireplace users. This deposit hardens into a fuel layer that a basic sweep may miss and a camera inspection will catch.
- Uninsulated chimneys in 1990s – 2000s builder-grade fireplaces. The post-2000 housing boom in Union City produced many fireplaces with uninsulated chases that condense creosote inside a single heating season. By the second season, dangerous second-degree deposits are common.
- Efflorescence and crown breakdown from high humidity. Union City’s humid subtropical climate keeps masonry damp and accelerates white mineral staining, crown mortar deterioration, and dampers rusting shut. These are found in nearly every older masonry chimney we inspect along the Fairburn border and beyond.
See the difference
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We Also Serve Cities Near Union City
We run inspection routes that cover all of Union City plus neighboring communities, including Fairburn, Atlanta, and Decatur. If you’re just outside the city line, call (678) 263-7908 and we’ll fit you into the nearest scheduled day.
Serving Union City, GA - Our Local Coverage Area
We’re based in the Union City 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 Chimney Inspection in Union City
Why do chimneys in Union City’s older 1970s – 80s ranch homes fail inspection more often than newer builds?
Older ranch homes in Union City still have their original clay flue liners, and decades of freeze-thaw cycles have produced hairline cracks and spalled sections that no longer vent properly. The high humidity accelerates mortar erosion between the tiles. Newer homes with prefab metal chimneys fail less on the liner but still present chase and condensation issues. Call (678) 263-7908 and we’ll camera the flue and show you exactly what’s there.
How does burning wood as primary heat in rural Union City affect creosote buildup?
Wood stoves running as primary heat from October through March load creosote far faster than weekend fireplace use, and rural Union City homeowners burning softwoods see third-degree glaze form in a single season. That glaze is a fuel layer, and it hides flue wall separation underneath. A camera inspection tells you whether you need a sweep alone or a sweep plus liner work.
What is the most common hidden issue found during a chimney camera inspection in neighborhoods like Shannon Villas?
In Shannon Villas and similar established subdivisions, the most common camera finding is cracked original clay liners from freeze-thaw spalling, with second-degree creosote coating the firebox walls. Last winter we inspected a two-story traditional there where the owners had used their wood stove as primary heat since October. The camera showed a smoke chamber packed with tar glaze and hairline cracks throughout the flue. A DuraFlex reline and full creosote removal brought it back to safe draft. Get your camera report by calling (678) 263-7908.
Does the high humidity in Union City cause any chimney issues besides creosote?
Yes. Union City’s humidity keeps masonry damp through most of the year, which produces efflorescence, accelerates crown mortar breakdown, and rusts dampers shut. In older brick chimneys, that trapped moisture mixes with creosote to form an acidic slurry that eats mortar joints from the inside. An inspection catches these issues before the repair costs climb. Call (678) 263-7908 for a free estimate.
Can a homeowner tell if their newer prefabricated metal chimney in Union City needs an inspection before the next cold snap?
You can look for rust stains on the chase exterior, water streaks on the ceiling near the fireplace, or a smoky smell on humid days. But the condensation problems common in Union City’s 1990s – 2000s prefab chimneys happen inside the chase where you can’t see them. A Level 2 camera inspection is the only way to know before the first fire of the season. Call (678) 263-7908.
Contact Ashby Chimney Atlanta for Chimney Inspection in Union City
If you’re in Union City and your chimney hasn’t been inspected in years, call (678) 263-7908 today. A live person answers, we give you a written price before any work begins, and we back every repair with a written guarantee plus a free second visit if something fails inside the guarantee period. That’s the Kingswell Guarantee, and it applies to every inspection and repair we do in Union City. Nathan Corliss and the Ashby team will walk you through what we find with camera footage you can see for yourself. Call (678) 263-7908 for a free estimate.
Written by Nathan Corliss, Owner at Ashby Chimney Atlanta, serving Union City and the surrounding southwest corridor.