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 Austin, TX | Boardwalk Chimney Sweep
DuraFlex chimney cleaning in Austin means something different here than it does almost anywhere else. We provide independent DuraFlex service across Austin’s older central neighborhoods and the tract-home suburbs to the north and east. The short version: because Austin bakes at 100°F+ for months, creosote inside a DuraFlex liner doesn’t flake off the way it does in colder climates. It glazes hard against the stainless corrugations, and a standard brush pass in July often just polishes that glaze instead of removing it. That’s the single biggest reason our DuraFlex cleaning approach in Austin is built around heat-baked deposits, not the freeze-damage story most chimney companies tell. Call (877) 274-1247 for a free estimate.
We’re independent DuraFlex specialists, not a factory-authorized shop, and we’re direct about that. Our DuraFlex knowledge comes from hundreds of liners, caps, and top plates we’ve serviced in Austin’s old masonry flues, where installation details matter more than any badge. If you need DuraFlex in West Lake Hills or your system is in 78729, 78730, 78731, or 78732, we can get it cleaned and inspected properly. Brent Holloway, our owner, spent years working every kind of flue you find in the Hill Country: clay-tile liners, stainless inserts, and the double-wall metal systems that were popular when a lot of Austin’s lake-area houses went up. He’ll tell you straight what your DuraFlex system needs and what can safely wait.
Why Austin Residents Choose Us for DuraFlex Service
While our Chimney Sweep in Austin goes beyond simply running a brush through a flue. Fewer understand the specific ways a DuraFlex flexible liner behaves after ten or fifteen years of Central Texas summers. The insulated jackets on DuraFlex Pro kits shred and sag when they’re pulled through rough 1920s brick offsets in Hyde Park and Travis Heights bungalows; the insulation fails before the stainless does. A company that doesn’t recognize that early will tell you the liner is fine when the insulation is quietly disintegrating. We look for the failure pattern, not just the obvious soot.
We’re also local in a way that matters for scheduling and follow-up. Austin’s weather doesn’t wait, and neither do chimney problems. When spring rain drives down a failed top-plate seal into a smoke chamber, you want someone who’s already familiar with your neighborhood’s housing stock. Brent Holloway has lived in the Lake Travis Highlands area long enough to remember when half these lakeside neighborhoods were still cedar scrub, and he picked up the fundamentals of the trade through the HVAC and building systems program at Austin Community College’s Riverside Campus. That combination of local roots and formal training means we don’t guess at what a DuraFlex liner in a 1940s pier-and-beam Austin home is going through. We know from experience.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Austin
These are the DuraFlex issues we see most often across Austin, each tied to the way this city’s climate and housing stock interact with flexible stainless liners:
- Heat-glazed creosote baking onto the liner corrugations. Austin’s sustained 100°F+ summer heat turns softer creosote deposits into a hard glaze that fuses to stainless. A standard brush just shines it. We use mechanical scraping tools and solvent treatments specifically for glazed, third-degree creosote.
- Shredded or sagging insulation jackets on Pro kits. When a DuraFlex Pro insulated liner gets pulled through a tight old brick offset in a Hyde Park or Travis Heights bungalow, the jacket tears. The stainless looks fine, but the insulation is gone in sections. We inspect for this specifically because it changes your draft and your fire-safety picture.
- Rusted cap screws and lifted wind skirts. Years of UV bake and spring hail in Austin wear on DuraFlex caps and top plates. Rusted screws let the skirt lift, and rain drives down the liner into the firebox. We replace caps with genuine DuraFlex stainless models where the fit matters.
- Ovalized liners that catch creosote on flattened corrugations. Tight old flues in central Austin sometimes crush an oval DuraFlex liner during install. The flattened spots become creosote traps that bake hard in the heat. We see this pattern regularly in pre-1950s chimneys.
- Top-plate seal failure at the crown. Where the liner meets a cracked masonry crown, heavy spring rain wicks along the stainless into the smoke chamber. Owners often misdiagnose this as a roof leak. We reseal the top plate and repoint the crown as one job.
DuraFlex Service in Austin: What Local Conditions Mean for Your Equipment
Here’s something specific to Austin that you won’t hear from a national DuraFlex page: Austin’s stock of pierced-gable, single-story 1920s to 1950s bungalows in 78702, 78704, and 78703 means most chimney work here happens on old neglected masonry in low-pitch roofs. These aren’t the tall, freeze-resistant flues you’d find in snow country. Because Austin almost never freezes but does bake at 100°F+ for months, the real enemy is heat-driven masonry spalling and creosote baking hard, not ice damage. For DuraFlex owners, that means the liner itself may hold up fine while the crown around it crumbles, letting moisture track down the outside of the liner and into the smoke chamber. A competitive page in a neighboring city would talk freeze-thaw cycles. Ours doesn’t, because that’s not what’s happening to Austin chimneys. We plan DuraFlex sweeps around heat-baked third-degree creosote and inspect the crown-to-liner connection every time, because that’s where Austin’s particular weather does its damage.
In a 1940s pier-and-beam bungalow off Travis Heights where we provide DuraFlex service in Barton Creek and nearby areas, our tech found a capped DuraFlex Pro oval liner whose top plate had pulled free of a spalled crown, letting spring rain run down onto a firebox hidden behind new drywall. We reset the top plate, repointed the crown, replaced the rusted cap with a DuraFlex stainless model, and cut cleanout access so the flue was serviceable again. The owner had assumed the ceiling stain was a roof leak. It was the chimney all along.
DuraFlex Models & Products We Service in Austin
We clean, inspect, and repair the DuraFlex product lines most common in Austin homes. That includes the DuraFlex Pro Flexible Chimney Liner in 316L stainless (both round and oval profiles), the DuraFlex Pro Insulated Flexible Liner Kit, DuraFlex stainless steel chimney caps in single- and multi-flue configurations, and DuraFlex Pro Top Plate and Cap assemblies. When a component needs replacing, we use genuine DuraFlex liner, cap, and top-plate parts where the corrugation, alloy, and twist-lock fit matter. For clamps, screws, and sealant where aftermarket components perform identically, we stock quality equivalents to keep Austin turnaround fast. We repair a sound DuraFlex liner before we ever sell a replacement. If your 20-year-old liner is still serviceable, we’ll tell you that plainly. Explore more of our DuraFlex sales & service capability if you’re weighing repair against replacement.
See the difference
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AfterDuraFlex Service Pricing in Austin
DuraFlex chimney cleaning in Austin typically runs $180 to $340 for a standard sweep and inspection, depending on liner condition and access. Level 2 inspections, which we recommend for any system that hasn’t been looked at in more than three years, add $150 to $300. Cap replacement with a genuine DuraFlex stainless model generally falls between $250 and $600 installed. Crown repair and repointing around the top plate usually ranges from $400 to $900, and a full DuraFlex liner replacement runs $1,800 to $4,500 depending on liner length, diameter, and whether insulation is needed. Our estimates are free and we show you camera footage before recommending anything. Call (877) 274-1247 to schedule a sweep or get an exact quote.
Serving Austin, TX — Our Local Coverage Area
We’re based in the Austin 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 Austin
Yes, we can sweep a DuraFlex-lined flue even when the fireplace was sealed behind drywall, as long as we have top access to the chimney. In Travis Heights and Hyde Park, we regularly find flues capped at the top with no cleanout access and a firebox hidden behind new drywall. We typically cut a cleanout access point so the flue is serviceable going forward, then sweep and inspect the DuraFlex liner from above. If you have a capped flue but aren’t sure whether the liner is still connected, call (877) 274-1247 and we’ll assess the access situation.
It does, and not in the way most people expect. Austin’s long stretches of 100°F+ direct sun bake the finish on caps and top plates, while spring hail and UV exposure rust out the screws that hold the wind skirt in place. Once the skirt lifts, rain drives down the liner into the firebox. We replace rusted cap hardware with stainless components and inspect the cap-to-top-plate connection every time we combine our Dryer Vent Cleaning in Austin with DuraFlex service. A quick cap check takes us five minutes on a roof.
For a wood-burning fireplace used regularly during Austin’s short winter season, plan on a sweep once a year. Because Austin’s summer heat bakes creosote into a hard glaze, skipping a year lets deposits build into something a standard brush can’t remove. If you burn mostly during the holiday season and let the fireplace sit the rest of the year, every other year may suffice, but an annual inspection is still worthwhile. Gas fireplaces with DuraFlex liners can go longer between sweeps, but the cap and top plate still need checking. Call (877) 274-1247 to get on a regular schedule.
Yes, we match replacement caps to existing DuraFlex liners all the time. The key is knowing the liner’s diameter and profile (round or oval), then selecting a genuine DuraFlex stainless cap that seats correctly on the top plate. We don’t replace an entire liner system just because the cap rusted out. We quote the cap replacement as its own job, and if the top plate also needs resealing, we handle that in the same visit.
It might be, but not always as a direct retrofit. Many 1970s and 1980s tract homes in north and east Austin were built with prefab metal fireplaces that were never designed for a stainless liner insert. If the flue is still sound and you’re just looking to burn wood again, a DuraFlex liner may not be necessary. But if the original flue has rusted or separated, a DuraFlex Pro flexible liner can sometimes be installed inside the existing metal chimney, depending on clearances. We’ll tell you honestly whether a liner is the right move or whether the prefab unit itself needs attention. Call (877) 274-1247 for a straight answer, not a sales pitch.
Service Areas Near Austin
Our Austin service area includes the central neighborhoods and the surrounding communities where DuraFlex systems are common. We regularly schedule in Lago Vista, Hornsby Bend, Barton Creek, Lakeway, Bee Cave, and The Hills. That includes DuraFlex service in Rollingwood and DuraFlex service in Lost Creek for homeowners just west of downtown. If you’re anywhere in the greater Austin service area, call and we’ll get you on the schedule.
Book Your DuraFlex Service in Austin Today
If you can smell the smoke inside, the chimney’s already telling you something. Worth listening before it gets louder. Call (877) 274-1247 today for a free estimate on DuraFlex cleaning, inspection, cap replacement, or crown repair in Austin. We’ll get you scheduled before the next heat wave sets your creosote glaze in for another season.
Written by Brent Holloway, Owner at Boardwalk Chimney Sweep, serving Austin and the surrounding Central Texas area.