Level 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.
Copperfield Flue Liner Replacement: The Kennesaw Owner’s Guide
We stock and install Copperfield-compatible flue liner replacement in Kennesaw for $2,800-$4,200 installed, depending on liner diameter, height, and whether the existing liner pulls clean or needs extraction. Most Copperfield stainless steel liners in the 5.5″ to 8″ range are available through our Haven buying network with 2-3 day lead time, and we schedule the camera inspection and measurement visit within 48 hours of your call. Homeowners in Kennesaw usually discover the problem during a routine sweep when the camera catches a gap, a rust-through spot, or a collapsed section where the liner has separated at a joint.
Which Copperfield Models This Applies To
Copperfield’s flue liner catalog breaks into three series that matter for replacement: the 316L stainless flexible liners (most common in Kennesaw homes built 1985-2010), the 304L economy line found in many builder-grade fireplaces, and the rigid 316Ti systems used for oil and certain wood appliance hookups. The label is usually stamped on the top collar or on a tag left at the cleanout during original installation. If you can’t find it, we measure inner diameter with a caliper and check wall thickness with a borescope; 316L runs .006″ to .013″ depending on diameter, and 304L is typically .005″ to .010″.
We source replacement through our Haven buying network, which includes both OEM Copperfield and certified aftermarket equivalents from Olympia Chimney and Gelco. For most Kennesaw installations, we match alloy grade and wall thickness rather than chasing the brand stamp. The aftermarket equivalents carry the same UL 1777 listing and often ship faster. One compatibility gotcha: Copperfield’s older rigid couplings don’t always mate cleanly with current flexible adapters, so we verify the transition at the appliance collar before ordering anything.
Signs Your Copperfield Flue Liner Replacement Is Failing

- Water staining on the firebox ceiling or smoke chamber. A breached liner joint or pinhole rust-through lets condensation and flue gases migrate into the masonry surround. In Kennesaw’s humid subtropical climate, that moisture accelerates spalling and freeze-thaw damage during our brief but sharp winter cold snaps.
- White or orange powder on the liner walls visible during inspection. That’s chloride corrosion on 304L or early-stage pitting on 316L, usually from burning unseasoned hardwood or running a gas insert with inadequate draft. The alloy is degrading; the liner is on a clock.
- Smoke spillage at startup or downdraft complaints. A liner that has collapsed inward, separated at a joint, or been partially crushed by a chimney fire no longer maintains proper flue dimension. The draft drops, smoke lingers, and carbon monoxide risk rises.
- Chunks of clay tile or liner material in the cleanout. If your chimney was originally clay-lined and a Copperfield liner was retrofitted, failure of either system sends debris downward. We see this in Kennesaw’s 1970s and 80s ranch homes near Kennesaw Mountain where the original clay was never fully removed.
- Strong odor during humid weather, even when the fireplace isn’t in use. Naphthalene and creosote compounds trapped in a breached liner absorb into masonry and off-gas when humidity climbs. It’s not just a smell; it’s evidence that the flue gas envelope is compromised.
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AfterReplacement Cost & What’s Included
| Scope | Price Range in Kennesaw |
|---|---|
| Copperfield-compatible flexible liner, 5.5″-6.5″, single story | $2,800-$3,400 |
| Copperfield-compatible flexible liner, 7″-8″, two story or greater height | $3,400-$4,200 |
| Liner extraction (existing liner seized or collapsed) | +$400-$800 |
| Insulation blanket wrap (required for some clearances) | +$300-$500 |
| Top plate and rain cap replacement | +$180-$320 |
Every replacement quote is delivered in writing before work begins, per Haven Standard Clause 1. The price includes NFPA 211 Level 2 camera inspection, the liner and fittings, labor, a new top plate with animal guard, and a documented photo record of the completed installation under Clause 4. Warranty is 10 years on the liner material, 365-Day Done Right Promise on the installation itself. We write it down before we ask you to decide anything.
DIY or Call Us?

There’s exactly one thing a homeowner can safely check: shine a flashlight up the flue from the firebox and look for obvious gaps, light coming through the wall, or debris on the smoke shelf. Don’t attempt to measure, don’t climb the roof, and don’t try to pull a liner. Stainless steel liner replacement involves working at height, handling sharp cut edges, and verifying NFPA 211 clearance requirements to combustibles. A liner pulled wrong can lodge in the flue, damage the chimney structure, or leave you with an uninspected gas appliance venting into a compromised system. Carbon monoxide doesn’t announce itself.
We bring the right extraction tools, the camera to verify the full length after installation, and the documented record your insurer or home inspector will want to see. Call (678) 535-2204 and we’ll get a technician out to measure and quote.
FAQs
How long does a Copperfield flue liner last in Kennesaw?
A properly installed 316L stainless liner typically lasts 15-25 years, but Kennesaw’s combination of high summer humidity and occasional freeze cycles can push the lower end if the liner wasn’t insulated or if unseasoned wood has been burned regularly. Annual inspection catches corrosion before it breaches. Call (678) 535-2204 to schedule.
Can a damaged Copperfield liner be repaired instead of replaced?
Localized damage in an otherwise sound liner can sometimes be addressed with a HeatShield cerfractory seal or a stainless repair sleeve, but only if the camera shows the damage is limited and the surrounding liner wall thickness is still within spec. Joint separations, widespread pitting, or any collapse means full replacement. We won’t recommend a patch job without photo evidence you can see for yourself.
How long does the replacement take?
Most residential replacements in Kennesaw are completed in one day, assuming the existing liner extracts cleanly and no masonry repair is needed. A second day is reserved for jobs where extraction is complicated by a seized liner or where the smoke chamber needs parging before the new liner drops.
Do you stock Copperfield liners on the truck?
We stock common diameters and fittings for emergency situations, but most replacements are ordered to exact measured length after the initial camera inspection. This prevents the cost and waste of cutting down an oversized coil, and it lets us match the right alloy grade to your appliance type. Lead time is typically 2-3 days through our Haven buying network.
Written by Corrine Halstead, Owner, Level Two Chimney Kennesaw at Level Two Chimney Kennesaw, serving Kennesaw and nearby areas.





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