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 Chimney Repair Across Duluth
Chimney repair in Duluth, GA typically runs $220 – $1,800 depending on the job: flashing repair starts around $220, mortar repointing runs $400 – $900, and a full chimney rebuild can reach $4,000 or more. Most Duluth repairs are completed in a single visit, with a written price delivered before any work starts and a one-year guarantee on everything we touch. If you’ve got a leak, a cracked crown, or a liner that’s seen better days, call (762) 600-1468 and we’ll put the scope and the number in writing.
Flint Chimney Co Alpharetta serves Duluth with background-checked, uniformed technicians who carry camera inspection equipment on every truck. We know the difference between a 1920s masonry chimney near downtown Duluth and a 2004 prefab flue in a Sugarloaf subdivision, because we work on both every week. You get a direct answer, a written price, and a repair that’s documented from start to finish.
Why Flint Chimney Co Alpharetta Is Duluth’s Preferred Chimney Repair Company
Homeowners across Duluth call us for one reason more than any other: we put the price in writing before a single tool comes off the truck. No estimate that morphs into a bigger number at the door. The invoice you approve is the invoice you pay. That standard comes from The Garrison Standard, the operating code every Garrison Partners location follows, and it applies to every repair we make in Duluth, from a simple flashing patch to a full flue relining.
Hank Delano leads our team, and he built this operation around a simple rule: if a repair isn’t done right, we return at no charge for a full year. That’s not a slogan. It’s the 365-Day Done Right Promise, written into every repair agreement. Duluth homeowners who’ve been burned by no-show chimney companies tell us this is the first time anyone put the guarantee on paper before asking for a signature.
We answer the phone with a live person, 24 hours a day, seven days a week. No voicemail trees, no callback forms. If you call us from Duluth at 7 p.m. with water coming through your ceiling, a human picks up. Dispatch and scheduling are coordinated from the brand’s Atlanta office, and crews serve Duluth locally throughout the week.
Styles & brands we work with
Chimney Liner Installation in Duluth
Chimney Liner Installation in Duluth usually means replacing a damaged clay-tile flue in an older home or adding a liner where one never existed. In Duluth’s 1990s-2010s subdivisions, it also means installing a properly sized liner in a prefab chimney that was never set up for a wood-burning appliance. A standard stainless liner installation runs $1,800 – $3,200 in Duluth depending on flue height and access. We use DuraFlex liners from Copperfield, specified by job, not by margin.
When a Duluth Home Needs a New Liner
Clay-tile flues crack. It happens in Duluth’s older homes when occasional freezing temperatures push moisture into hairline gaps, then the ice expands and splits the tile. A cracked flue lets hot gases reach combustible material inside the chimney chase, which is exactly what a liner is supposed to prevent. We confirm this with a camera inspection before recommending anything. You see the footage. You decide.
Gas Fireplaces Without a Liner
Many Duluth townhomes built in the 1990s have gas fireplaces venting into unlined masonry chimneys. Gas combustion produces acidic condensation that eats mortar joints from the inside out. Over two or three seasons, the mortar degrades and the chimney stops drafting correctly. The fix is a properly sized stainless liner, and we’ll show you the corrosion on camera before we touch it.
Chimney Flashing Repair in Duluth
Chimney Flashing Repair in Duluth is the most common fix we make, because flashing fails first. Flashing is the metal seal where the chimney meets the roofline, and when it lifts or corrodes, water gets into the attic and runs down the chase. A flashing repair in Duluth typically runs $220 – $450 for a straightforward patch and $600 – $900 if we need to cut back shingles and replace the full flashing set. Every flashing repair carries our written one-year guarantee.
Signs Your Duluth Flashing Is Failing
Water stains on the ceiling near the fireplace, damp drywall around the chimney chase, or a musty smell in the attic after rain. In Duluth’s newer townhome developments, we also see flashing that was installed flat against the chimney with no counter-flashing, which fails faster than properly stepped flashing. We’ll inspect it, photograph it, and show you what’s wrong before we quote a repair.
The Duluth Fix
We remove the old flashing, inspect the roof deck underneath for rot, and install new step flashing with a proper counter-flashing channel cut into the mortar. This is the repair that stops the leak permanently. Patching over old flashing with roofing cement is a temporary band-aid, and we won’t sell you one.
Trusted Brands We Service in Duluth
Duluth homeowners deserve to know exactly what material is going into their chimney. We install and work with professional-grade products from DuraFlex, HeatShield, and Olympia Chimney. DuraFlex is our standard for stainless steel liners because it holds up to the acidic condensation we see in Duluth’s gas fireplace installations. HeatShield is what we use for resurfacing damaged clay-tile flues in older downtown Duluth homes where a full liner isn’t necessary. We stock common parts for Duluth’s prefab chimneys locally, which means faster turnaround when your gas fireplace flue needs a replacement section or a new cap.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Repair Problems We See in Duluth Homes
- Animal nests in unused flues. In neighborhoods like Sugar Hill and Berkeley Lake, birds and squirrels build nests in chimneys that haven’t been used in months. We found a squirrel nest fully blocking the flue of a 2004 prefab fireplace in Sugar Hill that the owner rarely used. The metal flue liner had also rusted through at the bottom, so we replaced it with a DuraFlex liner and added a chimney cap to prevent future nesting.
- Cracked crowns on prefab chimneys. Duluth’s occasional freeze-thaw cycles are mild compared to northern states, but they’re enough to crack a concrete crown over ten or fifteen seasons. Water gets in, expands, and widens the crack. We repair crowns with a waterproof sealant that flexes with temperature changes.
- Rusted metal flues in 1990s townhomes. Prefab chimneys from the 1990s and 2000s develop rust holes at the base after years of moisture accumulation. Homeowners don’t notice until a Level 2 camera inspection shows daylight through the liner. This is a repair we make regularly in Duluth, and it’s why we push for camera inspections on any chimney that hasn’t been checked in five years.
- Spalling brick on older masonry chimneys. In Duluth’s historic downtown sections, 1900s-1920s brick chimneys absorb water, and when that water freezes, the brick face pops off. Spalling is a structural issue, not just cosmetic. We repoint the mortar, replace the damaged brick, and waterproof the exterior to stop the cycle.
Pricing for Chimney Repair in Duluth, GA
A standard chimney repair in Duluth runs $220 – $900 for flashing, repointing, or crown work. Liner installation runs $1,800 – $3,200. A full chimney rebuild from the roofline up runs $3,500 – $6,000 depending on height and access. What affects your number? Flue height, roof pitch, whether we need scaffolding, and the condition of the existing masonry. We give you a written price before any work starts, and that number doesn’t move unless you approve a change order. Call (762) 600-1468 for a free estimate. We’ll inspect, photograph, and quote in writing. No pressure, no upsell.
We Also Serve Cities Near Duluth
Our Chimney Repair team covers Duluth and the surrounding Gwinnett County area. If you’re in Lawrenceville, Norcross, Alpharetta, or Roswell, we handle chimney repairs there as well. Same written price guarantee, same one-year warranty, same live-person phone coverage. Visit our Duluth page for local specifics.
Serving Duluth, GA - Our Local Coverage Area
We’re based in the Duluth 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 Repair in Duluth
Yes. Gas fireplaces in Duluth’s newer homes are exactly the ones that hide problems, because gas combustion produces acidic condensation that eats mortar and metal from the inside. An unused or rarely used flue is also where animals nest. A Level 2 camera inspection takes about an hour and shows you the condition of the flue, the liner, and the crown. Call (762) 600-1468 to schedule one; the estimate is free.
Rust at the base of the metal flue is the most common failure we see in 1990s Duluth townhomes. Moisture sits at the bottom of the flue, eats through the metal, and creates holes that let exhaust into the chimney chase. Animal nests are also common in unused prefab flues. We recommend a camera inspection before you light anything. If the liner is compromised, we’ll show you the footage and quote a DuraFlex replacement in writing.
Yes, in most cases. We use HeatShield, a ceramic resurfacing system, to seal cracked clay tiles from the inside without tearing down the chimney. This works well for Duluth’s older masonry chimneys where the flue has minor to moderate cracking but the structure is otherwise sound. For severe damage, a full stainless liner is the better call. We’ll show you the camera footage so you can see the difference and decide with us.
Duluth’s freeze-thaw cycles are mild compared to northern climates, but they still count. Water soaks into tiny pores in the concrete crown, freezes on cold nights, and expands. Over ten or fifteen seasons, that expansion cracks the crown. A cracked crown lets water into the chimney structure, which causes spalling brick and rusted dampers. We repair crowns with a flexible waterproof sealant designed to move with temperature swings, then we waterproof the exterior masonry.
Yes. Duluth’s newer townhomes often have flat flashing installed without a proper counter-flashing channel, which fails faster than stepped flashing. Older single-family homes usually have stepped flashing that has simply corroded over the years. The repair approach is similar: remove the old flashing, inspect the roof deck, install new step flashing with counter-flashing. But the failure point is different, and that’s what we document with photos before quoting. Call (762) 600-1468 for a free estimate and we’ll show you exactly what’s happening on your roof.
Written by Hank Delano, Owner at Flint Chimney Co Alpharetta, serving Duluth as part of the Garrison Partners family since 2002.