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 Fort Worth Homeowners Choose DuraFlex Chimney Cleaning
DuraFlex chimney cleaning in Fort Worth means removing creosote from corrugated stainless liners without damaging the thin alloy walls, and we’ve done this work across DFW for over 15 years. The quick answer on cost: a standard DuraFlex liner sweep in Fort Worth typically runs $189 to $289 depending on liner length and creosote stage, and if glaze buildup requires a rotary whip treatment instead of a standard brush, expect to add $90 to $140. We’re an independent DuraFlex service provider, not a manufacturer-authorized shop, which means our only loyalty is to what your flue actually needs. Call (682) 255-2144 for a written price before any work starts.
Hank Delano grew up in Los Angeles and learned the chimney trade at Los Angeles Trade-Technical College before spending the better part of two decades doing the work full-time. He and our crew have served Fort Worth for years, including a solid stretch of Chimney Sweep jobs in the Fairmount Historic District where century-old fireplaces require careful hands and no shortcuts. We know DuraFlex liners the way a mechanic knows a specific engine block: by the way carbon builds, by the points where metal fatigues, and by the exact tools that fix each failure.
Why Trust Flint Chimney Co Fort Worth for Your DuraFlex Chimney Cleaning?
Our technicians have pulled brush and rotary whip through DuraFlex 316L and 304 liners in more Fort Worth homes than we can count, from 1920s brick bungalows in Ryan Place to 1970s ranch houses off Camp Bowie with prefab chimneys that have corroded in the North Texas humidity. We know that a DuraFlex liner is not a clay flue. The corrugated valleys trap creosote differently, the alloy kinks at offset bends if pulled too hard during install, and the clamp system only mates correctly with genuine DuraFlex components. That knowledge changes how we sweep, how we inspect, and what we recommend.
Every DuraFlex service call follows The Garrison Standard, the same operating code used across the Garrison Partners family of independently owned chimney companies. That means a written price before any work begins, a 365-Day Done Right Promise on every repair, and a free return visit if a covered repair fails within the guarantee period. No vague assurances. No price changes at the door. If it is not clean and it is not safe, we are not done.
Styles & brands we work with
Common DuraFlex Chimney Cleaning Problems We Fix in Fort Worth
- Stage 2 creosote glaze packed into corrugated valleys. DuraFlex 316L liners have spiral corrugations that create thousands of small crevices where creosote condenses and bakes into a shiny, tar-like glaze. A standard flat wire brush skims the peaks but leaves the valleys loaded. We use a rotary whip with nylon or poly lines sized to the liner diameter to break the glaze without scoring the thin alloy walls.
- Kinked or ovalized liner sections at offset bends. The 316L alloy is flexible by design, but if an installer pulled the liner too aggressively through a smoke shelf offset, it can flatten into an oval or kink, creating a hidden shelf where creosote and soot collect. We spot this on Level 2 camera inspections as a dark shadow or narrowing in the flue. If the kink is minor, we can often straighten it with an expander tool. If the metal has creased, we recommend replacing that liner section.
- Draft backflow and soot staining from undersized liners. We regularly see 5.5-inch DuraFlex liners jammed into chimneys built for 6-inch flue tiles. The result is weak draft, smoke spilling into the living room, and black staining around the fireplace opening. A camera inspection confirms the mismatch, and the fix is a properly sized liner, not another sweep.
- Warped rain caps on Pro Connect kits. The factory-applied rain cap on DuraFlex Pro Connect liner kits sits flush with the liner top. Under Fort Worth’s intense summer sun and hail, that cap can warp or dent, letting rain run down the liner wall and accelerate corrosion at the top joint. We replace these with new DuraFlex Pro Connect caps or, when called for, upgrade to a heavier-gauge stainless cap that better handles North Texas hail.
- Rust and pitting at the top joint from humidity. Fort Worth summers push humidity into the 80s and 90s for months. Any moisture that sits at the liner’s top connection point, especially behind a failed cap, starts pitting the 316L alloy. This is one of the most common DuraFlex failure points we document in our Level 2 inspections, and it’s a repair that costs far less when caught early than when the liner has perforated.
DuraFlex Parts & Our Repair-vs-Replace Approach
We prefer genuine DuraFlex components whenever they’re available. The proprietary clamp system on DuraFlex liners mates perfectly with factory sections, connectors, and caps, and mixing in off-brand parts at that joint is asking for a draft leak or a loosened connection. For simple wear items like top plates, mortar, or storm collars, a quality aftermarket part that meets UL 1777 specs and matches the liner diameter and material grade does the job without compromise. We never substitute a part to save ourselves money and call it equivalent when it’s not.
Repair versus replace is a judgment call we make in writing, with camera evidence, before you spend a dollar. A liner with a small pitting area at the top joint gets a repair. A liner with multiple kinked sections or perforations along its length gets replaced. We tell you plainly when a sweep and cap replacement will buy you another five years, and just as plainly when the liner is past saving. Call (682) 255-2144 and we’ll put the numbers and the photos in front of you.
Our DuraFlex Service Process – Step by Step
- 1
Visual assessment and written quote. We inspect the firebox, flue throat, and liner top before anything comes off the truck. You get a written price with the scope itemized. That price does not change at the door.
- 2
Level 2 camera inspection when needed. For any liner with draft issues, back-puffing, or suspected damage, we run a camera down the full length of the DuraFlex liner and show you exactly what we see. Nothing softened, nothing added.
- 3
Sweep or rotary cleaning sized to your liner. Standard Stage 1 creosote gets a properly sized brush. Stage 2 glaze gets a rotary whip treatment. We never run a metal blade whip through a DuraFlex liner. The alloy is too thin for aggressive mechanical scraping.
- 4
Repair or part replacement with documented scope. Warped caps, pitted top joints, or kinked sections get replaced with genuine DuraFlex parts where specified, and we photograph the work before and after.
- 5
Draft test and written guarantee. We verify draft with a simple smoke test or digital manometer, then you get the 365-Day Done Right Promise in writing. If a covered repair fails within a year, we return at no charge.
See the difference
Before
After
Before
After
Before
AfterDuraFlex Products We Service & Install in Fort Worth
Our Fort Worth crew works on the full DuraFlex residential line: the 316L Flexible Chimney Liner for wood-burning fireplaces and stoves, the 304 Flexible Chimney Liner for gas appliances, the Pro Connect Chimney Liner with its integrated coupling system, and the Liner Kit with Rain Cap for straight-down installations. We stock common liner diameters, top plates, storm collars, and caps locally so a simple cap replacement or top joint repair doesn’t wait on a distributor. If your liner needs a full replacement, we order the exact DuraFlex section or kit specified for your flue dimensions and appliance type.
We Also Service These Brands
DuraFlex is a fine liner, but it’s not the only one we trust or service. We install and repair HeatShield cerfractory sealant systems for clay flues with early-stage cracking, and we work with Gelco liners and components when the job calls for them. Our recommendations follow what your chimney needs, not what’s sitting on our truck.
FAQs – DuraFlex Chimney Cleaning Service in Fort Worth
DuraFlex liners hold more creosote because the spiral corrugations create a much larger surface area than a smooth clay tile, and creosote condenses in those valleys first. A clay flue gives you one smooth wall. A DuraFlex liner gives you hundreds of narrow grooves. That’s why many Fort Worth homeowners who switched to DuraFlex find they need sweeps slightly more often than they did with clay, especially if they burn wood that isn’t fully seasoned. Call (682) 255-2144 and we’ll tell you what stage your creosote is at and how often your specific liner actually needs service.
You can clean it, but a kink will keep collecting creosote behind it until the draft problem is fixed. A brush or rotary whip will clear the passage temporarily, but the kinked section remains a shelf inside the flue. If the ovalization is minor, we can often reshape the liner with an expander. If the metal has creased or folded, that section needs replacement. The camera inspection tells us which situation you have, and the written price tells you what the fix costs before we touch it.
Powdered chemical creosote removers are generally compatible with stainless liners because they modify the creosote chemically rather than burning it off, but they will not remove Stage 2 glaze. What they can do is loosen Stage 1 buildup enough that a standard sweep removes it more easily. Heavy glaze requires mechanical removal with a rotary whip. If you’re using a chemical treatment, make sure it’s rated for stainless flues, and call (682) 255-2144 if you want us to assess what stage your creosote is at before you spend money on products.
In Fort Worth, a DuraFlex rain cap typically lasts 5 to 8 years before UV warping or hail damage makes replacement a good idea. Our hailstorms knock dents into caps, and the summer sun gradually warps the thin stainless. A warped cap allows rain down the liner wall, which accelerates corrosion at the top joint. We check the cap on every sweep and tell you if it’s time to replace it. Cap replacement is a 20-minute fix when caught early.
Yes. A DuraFlex liner changes both the brush type and the inspection method. We use brushes with specific stiffness ratings matched to the liner diameter, and we rely on camera inspection rather than visual inspection from the top and bottom. The corrugated walls also mean you should expect slightly more frequent sweeps than with a smooth clay flue, especially if you burn oak or mesquite. Our standard recommendation for most Fort Worth wood burners with DuraFlex liners is an annual sweep with a camera check every other year, unless the first camera check shows glaze, then annually until it’s clean.
A standard DuraFlex chimney sweep in Fort Worth runs $189 to $289. Stage 2 glaze removal with a rotary whip adds $90 to $140. A Level 2 camera inspection runs $149 to $249 when booked as a standalone. Cap replacement with a genuine DuraFlex Pro Connect cap typically runs $120 to $220 installed, depending on liner diameter and roof access. Every quote is written and itemized before work starts, so the number you approve is the number you pay. Call (682) 255-2144 for a free estimate on your specific liner.
Book Your DuraFlex Service in Fort Worth, TX
We service DuraFlex liners across Fort Worth, from Fairmount to far north Tarrant County. A live person answers the phone around the clock, and every job gets a written price before any work begins. Call (682) 255-2144 to book your DuraFlex sweep or inspection.
Written by Hank Delano, Owner at Flint Chimney Co Fort Worth, serving Fort Worth since 2002.