Gas fireplace service
Sweep & inspection
Caps & crowns
Flue relining
Masonry repairLevel 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.
Why Clarksville Homeowners Choose DuraFlex Chimney Cleaning
We provide independent DuraFlex chimney cleaning and service in Clarksville, TN. We’re not affiliated with DuraFlex and we’re not authorized by them, but our technicians work on DuraFlex stainless flexible liners often enough that we know their joints, gaskets, and alloy quirks better than a brush-and-go sweep does. Our technicians have up to 10 years of experience.
Clarksville’s mix of housing puts DuraFlex liners in two very different settings. The 1950s to 1980s brick ranches around Ringgold and New Providence often have masonry fireplaces that were relined with a stainless flexible liner years ago. The newer builder-grade ring of subdivisions has prefab metal fireplaces that also rely on a stainless liner and cap assembly. Both need brand-aware service, not a generic brushing.
Call (866) 942-9931. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why Trust Chimney Sweep Clarksville for Your DuraFlex Chimney Cleaning?
DuraFlex liners are a stainless steel flexible system, and the service work that keeps them safe is mostly about the joints, the insulation wrap, and the top-plate seal, not the stainless body itself. That’s where technician familiarity matters. Our team has handled the disassembly, inspection, and re-securing work on these systems in Middle Tennessee homes enough to recognize the failure patterns at a glance.
We use quality parts that fit DuraFlex equipment: the correct stainless alloy, the right gasket type, and clamps matched to the liner series. Mixing a stainless pop-rivet with an aluminum fastener, or pairing a stainless clamp with a galvanized bracket, causes galvanic corrosion that eats the joint from the inside. Generic hardware-store substitutes do exactly that. We don’t use them.
Warranty-safe service means we document what we find, we don’t drill or cut anything the manufacturer didn’t intend, and we don’t disturb the insulation wrap more than a sweep requires. If a repair involves the liner itself, we tell you what a manufacturer’s warranty inquiry would need to see before we touch it.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Common DuraFlex Chimney Cleaning Problems We Fix in Clarksville
These are the calls we take most often on DuraFlex systems in Clarksville. Each is a real failure mode of the product, not a generic chimney complaint.
- Liner sections separating at the mechanical joints. The flexible liner comes in sections that lock together, and the joint is supposed to be secured with stainless pop-rivets or self-tapping screws. When the original installer skipped that step or the fasteners corroded away, the sections can slip apart. That opens a gap that lets creosote and flue gases escape into the chase instead of going up and out. The symptom homeowners notice first is a smoky smell in the house, especially on a cold startup.
- Top plate and cap gaskets breaking down. The gasket at the top plate and cap takes the full force of Clarksville’s humid summers and the January-February freeze-thaw swings. When that gasket hardens or cracks, water runs down the outside of the liner instead of shedding off the cap. That water collects at the appliance connector or the firebox top and starts rust.
- Insulation wrap degrading or shifting. The insulation wrap around the liner keeps flue gases hot enough to vent cleanly. Previous sweeps sometimes pull the wrap loose or compress it, and once a section is uninsulated, flue gases cool on the way up and deposit heavier glazed creosote. In a wood-burning setup that glazed layer is the stuff that’s hardest to remove and the most flammable.
- Support bracket and clamp corrosion at the crown and mid-flue. The brackets and clamps that hold the liner in place corrode in the humid Tennessee chase. When a clamp goes, the liner can sag or pull loose from the top plate. Older installations show this first at the crown, where moisture sits longest.
- Water intrusion at the cap on unlined masonry flues. The long shoulder season and summer humidity in Clarksville make cap and crown sealing critical. A cracked or missing cap on a masonry flue lets rain and pests in, and once squirrels or birds get into a flue that’s been relined, the nesting material builds up behind the liner where a sweep can’t reach it. Cap replacement fixes the entry point before that becomes a bigger cleanup.
DuraFlex Parts & Our Repair-vs-Replace Approach
Choosing the right part for a DuraFlex liner comes down to matching the alloy, the gasket, and the clamp to what’s already on the chimney. Stainless-to-stainless contact is fine. Stainless against a dissimilar metal is where corrosion starts. We use DuraFlex-approved or OEM-equivalent stainless components and skip hardware-store substitutes for exactly that reason.
Our default is to repair the existing liner where the joints, clamps, and top-plate seals can be restored. Re-securing a joint with the correct fasteners and replacing a hardened gasket is faster and cheaper than tearing out a liner that’s still structurally sound. We recommend full reline only when the stainless is pitted through, when the alloy is wrong for the appliance, or when the joints are so corroded there’s nothing solid left to anchor a repair to.
When we can’t tell which way to go from a quick look, we bring the camera. Nothing gets replaced on guesswork. Call (866) 942-9931 for a free estimate and we’ll walk you through what we find.
Our DuraFlex Service Process – Step by Step
- 1
Diagnosis with a Level 2 inspection. We run a camera down the DuraFlex liner and check the joints, the insulation wrap, the top plate, and the cap. The camera report is yours to keep, so you can see the cracked gasket or the slipped joint for yourself.
- 2
Repair or install. If it’s a re-securing job, we replace the joint fasteners, restore the clamp, and re-seal the top plate with the correct gasket. If the liner needs replacement, we install a DuraFlex flexible liner matched to the flue and the appliance.
- 3
Creosote removal after the seal is fixed. We sweep the glazed creosote from the now-sealed flue. Sweeping before the joint is repaired lets creosote fall into the gap, so the order matters.
- 4
Test and verify. A draft check confirms the flue is pulling. We re-cap the termination and confirm the top plate is watertight.
- 5
Warranty and documentation. You get a written record of the parts used and the repairs made, which is what a manufacturer would want to see if a warranty question ever came up.
See the difference
Before
After
Before
After
Before
AfterDuraFlex Products We Service & Install in Clarksville
We work on DuraFlex Pro stainless steel flexible chimney liner kits, which come in 316L and 304 alloys and are sized to the flue they’re going into. We service the DuraFlex Reline kits used in converting masonry fireplaces to a lined flue, and the DuraFlex Pro top plate and cap assemblies that sit at the top of the run. We also handle DuraFlex Pro appliance connector kits for wood stoves and inserts.
That coverage handles the full system – from the firebox up through the flue and out the cap – in a single visit. Cap replacement and Level 2 inspection are the sub-services we build most DuraFlex calls around. We don’t stock OEM or genuine DuraFlex parts, and we’re not a DuraFlex dealer. Call (866) 942-9931 when you need a DuraFlex system assessed.
We Also Service These Brands
Our shop isn’t tied to a single brand. Alongside DuraFlex, we work with HeatShield ceramic liner resurfacing, which can restore deteriorating flue tiles without a full reline, plus Gelco and other professional chimney trade brands. That’s why a Clarksville chimney call can diagnose and fix the problem in the same relationship, without sending you to a second contractor for a specialty part.
FAQs – DuraFlex Chimney Cleaning Service in Clarksville
No. We’re an independent DuraFlex service provider, not authorized, certified, or affiliated with DuraFlex. We service, repair, and install DuraFlex equipment using quality parts that fit it. Our credibility comes from the volume of DuraFlex work we do in Middle Tennessee homes, not from a manufacturer badge.
No, not before every sweep, but a Level 2 camera inspection should happen at least once, and any time you notice a smoky smell, draft loss, or water at the top plate. The camera is what catches a slipped joint or a failed gasket that a brush can’t see. We include the camera inspection and photo report so you can see the finding yourself.
Smoke smell on damp days usually means the flue isn’t fully sealed, not that creosote is burning. The two most common causes are a joint that slipped apart or a top-plate gasket that’s hardened and letting damp air into the chase. A Level 2 inspection isolates which one it is before any repair gets quoted.
Yes. Glazed creosote is harder to remove than soft soot, but a DuraFlex stainless liner can be swept with the right technique if the joint hardware is sound first. We re-secure the joints before we sweep, so loose creosote doesn’t fall into the gap. If the insulation wrap is shifted, we restore it so the uninsulated section doesn’t keep producing glazed buildup.
Most of the time it’s a repair. A rusted cap and a loose top plate usually mean a degraded gasket and corroded fasteners, not a failed liner body. We replace the cap and gasket, restore the clamp, and re-seal the top plate with the correct stainless hardware. We only recommend a full reline if the camera shows pitting through the stainless or the wrong alloy for the appliance.
You check the appliance and the liner jointly. A 316L stainless liner is spec’d for the more demanding wood-burning applications, and a 304 alloy suits lower-demand setups. An insert installed onto a liner that’s undersized for its heat output runs hot, and an alloy mismatch is what makes a liner corrode early. A Level 2 inspection with the appliance details in hand settles it. Call (866) 942-9931 for a free estimate.
A standard sweep with camera inspection is usually a short morning visit. A joint re-securing or top-plate gasket repair adds time for the sweep and draft check afterward. A full DuraFlex liner install takes longer, and we’ll give you a time estimate with the written quote. The written estimate sets the final price.
A standard DuraFlex sweep with a Level 2 camera inspection is typically priced per job by written estimate, and the estimate is free. Repairs to a joint, gasket, or top plate are quoted separately once the camera shows what’s actually wrong. We never recommend a liner replacement without camera evidence you can see. Call (866) 942-9931 for an exact quote – estimates are free.
Book Your DuraFlex Service in Clarksville, TN
If you own a DuraFlex system, the right service call starts with a camera inspection and a clear explanation of what it shows. Nothing is recommended without evidence you can verify, and when work can wait, we’ll say so. Call (866) 942-9931 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by the team at Chimney Sweep Clarksville.