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.
DuraFlex Chimney Cleaning in Pflugerville, TX | Alcott Chimney Austin
We clean and service DuraFlex chimney liners across Pflugerville, from the original downtown grid to Falcon Pointe and Blackhawk. The one thing that makes our DuraFlex work here different: we inspect the masonry-to-liner junction before touching the flue, because Blackland Prairie clay shifts chimneys in ways you won’t see in Round Rock or Leander. Call us at (361) 420-8585 to schedule a Chimney Inspection in Pflugerville and we’ll tell you exactly what’s going on inside your liner before any cleaning starts.
We’re an independent DuraFlex service provider, not factory-authorized. That matters when a liner is failing, because our recommendation is shaped by what the camera shows, not by what preserves a warranty. DuraFlex sales & service is a core part of what we do, and after 23 years of working these liners, we know which failures are cleanable and which ones are done. Our team, led by Ruben Castellano, handles DuraFlex work across Pflugerville service area with one rule: no recommendation without camera evidence you can see for yourself.
Why Pflugerville Residents Choose Us for DuraFlex Service
A flex liner isn’t a set-it-and-forget-it component. DuraFlex aluminum liners flex because they’re designed to, but after a decade of Pflugerville humidity cycles, the corrugations hold creosote differently than a smooth clay flue. Most Chimney Sweep in Pflugerville providers treat a DuraFlex liner the same as masonry and run a brush through it without looking for ovaling, pinching, or condensation damage first. We don’t.
Ruben’s background comes through on every job. He learned the trade fundamentals at Los Angeles Trade-Technical College and spent years working chimneys across Southern California before shifting to Central Texas. Here, the failure modes are different: humid summers, occasional cold snaps, and soils that move under brick veneer chimneys. He’s the one homeowners in South Congress call when a routine sweep turns into a conversation about liners, and he brings that same directness to Pflugerville. Tell me what you’re seeing, and I’ll tell you what it actually means.
You’ll know the technician’s name and see their photo before we arrive. Every Alcott tech is background-checked and identity-verified under the Threshold Standard, and they show a photo ID badge at your door, no exceptions. Written price before any work begins. Written guarantee on every repair. That’s how we’ve operated since 2002.
Styles & brands we work with
Common DuraFlex Chimney Cleaning Problems We Solve in Pflugerville
- Corroded bottom sections in older masonry retrofits. We regularly find the bottom two to three feet of a DuraFlex AL 316Ti liner rusted through or pinched where Pflugerville’s clay soil has shifted the chimney base. A liner that’s corroded at the bottom won’t be fixed by cleaning, and we’ll show you the camera footage before recommending a section replacement.
- Creosote packed into the corrugations of flex liners. DuraFlex flexible liners have more surface area than smooth-wall or rigid pipe, and Pflugerville’s high humidity makes creosote stickier than it does in drier parts of Central Texas. A standard brush pass often leaves residue behind, so we follow up with a camera check rather than assume the flue is clear.
- Ovaled liners in tightly-fitted chases. In post-2000 production homes, chases are often built tight around the liner, and thermal expansion over fifteen or twenty Pflugerville summers can oval the pipe. Cleaning an ovaled liner can tear the corrugations. We inspect for ovaling before the brush goes in.
- Blocked direct-vent gas fireplaces in Falcon Pointe and Blackhawk. Many of these homes have direct-vent gas fireplaces that homeowners mistake for wood-burning, which leads to skipped cleanings. Birds, wasps, and debris end up in the venting, and a DuraFlex appliance connector that’s blocked is a carbon monoxide risk, not just a nuisance.
- Condensation damage from humid attic air. When a masonry chimney has hairline cracks at the roofline, humid attic air condenses inside the cold metal liner during the summer. By the time a homeowner lights the first fire in December, the liner has been sitting in moisture for months. We see this pattern consistently in Pflugerville’s older brick veneer homes.
DuraFlex Service in Pflugerville: What Local Conditions Mean for Your Equipment
Pflugerville sits on the Blackland Prairie’s expansive clay soils, and that single fact explains more liner failures here than any other variable. The brick veneer homes in the original downtown grid, especially along streets like Pecan, develop hairline cracks at the roofline as the clay expands and contracts with seasonal moisture. Those cracks let humid attic air into the chimney cavity, where it condenses on the cold metal interior of the DuraFlex liner. You get corrosion from the inside even when the exterior of the chimney looks fine. That’s a failure pattern you don’t see in Round Rock’s limestone shelf, and it’s exactly why we insist on a Level 2 camera inspection before cleaning any metal liner in a masonry chimney here. We won’t run a brush through a liner that’s already compromised.
Our tech pulled a 6-inch DuraFlex AL 316Ti liner from a 1990s brick veneer home off Pecan Street near downtown, after a Level 2 inspection showed the bottom three feet corroded through. The clay soil had shifted the chimney base and pinched the liner against an offset tile. The homeowner had skipped cleaning for three seasons because the fireplace was “mostly decorative,” but humid attic air had been condensing on the cold liner all summer. We cut out the failed section, installed a new 316Ti coupler and low-profile top plate, and repointed the cracked crown so the repair would stay dry.
DuraFlex Models & Products We Service in Pflugerville
We work on the full DuraFlex family: the AL 316Ti flexible chimney liner, the Pro 316Ti smooth-wall liner, the 304 alloy liner, and the 4-inch and 5-inch appliance connector kits. When repairs call for parts, we use OEM DuraFlex liner sections, couplings, and top plates from the same 316Ti or 304 alloy families, because mixing metals inside a humid Pflugerville chase accelerates galvanic corrosion. We stock common sizes locally for faster turnaround.
If a liner shows more than two or three perforated corrugations or significant ovaling, we’re honest that a partial patch buys only a season. In those cases we recommend a full reline with a correctly sized DuraFlex Pro 316Ti, or for many metal-chase homes, a rigid replacement instead.
See the difference
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After
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AfterDuraFlex Service Pricing in Pflugerville
A standard chimney sweep with a camera inspection typically runs $225 to $385 before any repairs. If your DuraFlex liner needs a section replacement, budget an additional $450 to $900 depending on access and liner diameter. A full reline with DuraFlex Pro 316Ti in a typical Pflugerville single-story home generally falls between $2,800 and $5,500, with two-story chases running higher due to scaffolding and chase-top access.
What drives the cost: liner diameter, total flue length, chase or masonry access, and whether we’re dealing with a simple coupling job or a full teardown. Every estimate is free and includes a written price before any work starts, with a written guarantee on every repair. If a repair fails within the coverage period, the second visit is free. Call (361) 420-8585 for an exact quote on your DuraFlex system.
Serving Pflugerville, TX - Our Local Coverage Area
We’re based in the Pflugerville 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 – DuraFlex Chimney Cleaning in Pflugerville
Direct-vent gas fireplaces still pull outside air through the venting and exhaust combustion gases, which means anything that blocks the DuraFlex appliance connector, like a bird nest or spider webbing, becomes a carbon monoxide hazard. In Falcon Pointe specifically, we find wasp nests in vent termination caps every spring. Even without creosote, venting needs an annual visual check to confirm the passage is clear and the liner hasn’t separated at a coupling joint. Call (361) 420-8585 and we’ll take a look before heating season.
It depends on where the damage is and how much of the liner is compromised. A single corroded section near the bottom, where Pflugerville’s clay has shifted the chimney base and pinched the liner, can often be cut out and replaced with a new 304 coupler section. But if the corrosion runs through multiple corrugations or the liner has gone out of round, a patch buys you a season at most. We’ll show you the camera footage and give you a straight recommendation, including the price difference between a section repair and a full reline, before you commit to anything.
Not necessarily, but it does need to be inspected. DuraFlex liners rated for wood-burning can generally carry gas logs too, provided the liner is structurally sound and the appliance connector is properly sized for the gas unit. What we check in Blackhawk homes specifically is whether the original installation capped the top plate correctly and whether the connector has corroded from the high humidity that accumulates in those tight production-home chases. If the liner is still intact, a sweep and inspection is all you need. If it’s failing, we’ll tell you plainly.
No, and this is where a lot of sweeps get it wrong. DuraFlex corrugations have significantly more surface area than a smooth clay flue, and Pflugerville’s humid air makes creosote soft and tarry rather than flaky. A standard wire brush dragged through a flex liner can leave a thin film of creosote in the valleys of the corrugations, especially near the bottom where moisture pools. We use rotary cleaning heads designed for flexible metal liners and follow up with a camera to verify the liner is actually clean, not just brushed.
The clay beneath the Blackland Prairie expands when wet and contracts when dry, and over decades, that movement shifts a chimney’s foundation by fractions of an inch. The brick veneer above flexes with it, developing hairline cracks at the roofline, and the interior flue tile shifts enough to pinch a flexible DuraFlex liner against an offset tile or mortar joint. Once pinched, the liner’s corrugations rub and wear thin, and humid attic air finds its way into the gap and condenses on the metal. The result is corrosion that starts inside and works outward, which is why a camera inspection before cleaning is non-negotiable in Pflugerville masonry chimneys.
Service Areas Near Pflugerville
We serve Pflugerville and the surrounding Central Texas communities. That includes DuraFlex service in Austin, with particular coverage in South Congress and the downtown core, plus DuraFlex service in Leander, Brushy Creek, Hutto, and Lakeway. If you’re within 45 minutes of Pflugerville, chances are we can get to your chimney.
Book Your DuraFlex Service in Pflugerville Today
If your DuraFlex liner hasn’t been inspected in the last year, or you’ve noticed any sign of moisture, odor, or drafting problems, call us now at (361) 420-8585. We’ll schedule your service, send the technician’s name and photo before arrival, and give you a written price before any work begins. Free estimates, always.
Written by Ruben Castellano, Owner at Alcott Chimney Austin, serving Pflugerville since 2002.