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 | Ashton Chimney
We provide independent DuraFlex chimney cleaning and service across Austin, TX, from Travis Heights bungalows to 2000s infill builds in 78729 and 78732. The one thing that makes our DuraFlex work here different is that a sweep in Austin is rarely just a sweep: it’s a liner, cap, crown, and flashing evaluation, because soft limestone masonry and clay-soil movement put DuraFlex systems under stress most other markets never see. Call (855) 507-9184 and tell us what your fireplace is doing, and we’ll tell you exactly what’s going on in that flue.

Why Austin Residents Choose Us for DuraFlex Service
Our crew works on DuraFlex prefab and steel flue systems every week in Austin’s infill and bungalow stock, so we know how these liners are stacked, gasketed, and capped, and how they fail when they sit idle for months. We’re an independent DuraFlex service provider; we are not authorized by, affiliated with, or endorsed by DuraFlex. That independence matters: we’re not selling you a brand line, we’re evaluating what your flue actually needs.
Nolan Pruett, our owner, grew up in the Buttercup Creek neighborhood of Cedar Park and learned combustion systems through the Building Trades program at Austin Community College’s Round Rock Campus. He’s been working fireplaces and flues across the Austin metro for fifteen years, and he’s the guy neighbors call when a Level 2 inspection turns up a liner problem someone else missed. That’s the standard we bring to every DuraFlex sales & service call in Austin.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Austin
These are the issues we see repeatedly on DuraFlex liners in Austin homes. Each one ties to how this city builds, burns, and settles.
- Glazed creosote from sporadic burning. Austin’s mild winters mean a handful of fires in November, maybe a few more in February, then months of sitting. That idle time lets creosote condense, harden, and glaze inside DuraFlex liners. Standard brushing won’t always pull it, so we adjust our mechanical cleaning approach based on what we find during the inspection.
- Loose terminations from clay-soil movement. Core Austin ZIPs sit on expansive clay that shifts with wet-dry cycles. When the chase or masonry shifts, DuraFlex liners pull at terminations and offset connections. The top plate goes out of square, and suddenly a cap that fit fine in spring is cocked half an inch by fall.
- Rusted caps and rotten top supports on exterior chimneys. Full sun and rain on exposed masonry chimneys takes a toll. The top support over a DuraFlex flue rots, standard caps rust through, and birds or squirrels move in during the off-season. We pull nests, reset supports, and replace caps with models that actually shed water.
- Water tracking from cracked crowns and spalled masonry. Hard freezes cause spalling on limestone and brick exteriors. Crown cracks let water run down onto the liner and its insulation wrap, which shows up as rust staining, degraded draft, and a chimney that smells musty on humid days.
- Undersized or unsealed terminations in 2000s-2020s infill. Newer builds sometimes have DuraFlex terminations sitting below the crown line, unsealed and pulling in debris, downdraft, and smoke on wildfire haze days. It’s a construction shortcut we correct when we find it.
DuraFlex Service in Austin: What Local Conditions Mean for Your Equipment
Austin’s core bungalow ZIPs, 78729, 78730, 78731, and 78732, were built largely with soft locally quarried limestone and lime mortar that degrades under wet-dry, clay-soil movement. That’s not a detail; it’s the whole ballgame for DuraFlex liner work here. When the masonry around a liner settles and shifts, the liner shifts with it, even a flexible stainless liner has limits at terminations, offsets, and support brackets. A sweep in Austin is as much flashing, crown, and cap work as it is creosote removal. In Hyde Park and Travis Heights, we regularly find top plates out of square and crowns cracked from foundation movement that started decades ago, and we provide DuraFlex in Rollingwood with the same structural attention. If your DuraFlex liner is pulling at the top plate, no amount of brushing fixes the draft problem. The chimney’s structure has to be addressed at the same time as the flue, or you’ll be back here next year with the same smoking complaint.
DuraFlex Models & Products We Service in Austin
We service the full DuraFlex product range found in Austin homes, including DuraFlex in West Lake Hills: DuraFlex Pro stainless flexible relining kits, DuraFlex Pro Insulated Flexible Liners for wood-burning inserts, standard stainless flex liner kits for masonry chimneys, and the rigid-and-flex hybrid flue assemblies showing up in newer infill builds around 78732 and 78730. For parts, we match DuraFlex OEM-spec liner components, top plates, caps, support brackets, and connector hardware. Where fit and longevity are equal or better, we use quality aftermarket caps and crowns. We’ll tell you which we’re using and why.
See the difference
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AfterDuraFlex Service Pricing in Austin
Chimney cleaning in Austin on a DuraFlex-lined fireplace typically runs $189 to $340, depending on liner condition, access, and what we find during the Level 2 inspection. Cap replacement adds $150 to $400 for the part and install, with multi-flue caps on the higher end. Crown sealing and waterproofing runs $400 to $900 for an average chimney. A full DuraFlex reline is a bigger conversation, usually $2,400 to $5,600 depending on liner diameter, height, and accessibility. Nothing gets recommended without camera evidence you can see for yourself. Call (855) 507-9184 for an exact quote. Estimates are free.
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. Infrequent burning is exactly what creates glazed creosote in Austin’s mild winters. A few fires on cold nights, then weeks of sitting, lets condensation harden inside the liner. We sweep annually regardless of burn frequency, and on a Hyde Park bungalow we’re also checking the crown, flashing, and top plate for the limestone deterioration and clay-soil movement common to that neighborhood. Call (855) 507-9184 to schedule before the next burn season.
Travis Heights sits on expansive clay that shifts with every wet-dry cycle. That movement transmits through pier-and-beam foundations into masonry chimneys, which pulls on DuraFlex terminations and top supports. The cap doesn’t fail; it gets pulled out of square. We reset the support, seal the crown, and often move to a multi-flue cap that handles the movement better. Call (855) 507-9184 if your cap is rattling or sitting crooked.
Sometimes. If the liner itself is sound but joints, insulation, or the top support are failing, we can often repair those components. If the liner has pulled apart, rusted through, or shifted beyond safe alignment, we’ll tell you a reline beats patching. We show you the camera footage either way, so the recommendation is based on what we both can see. Call (855) 507-9184 if you want a straight answer on repair versus replacement.
Squirrels and birds, mostly. The sloping, oak-shaded lots in 78704 mean chimneys sit under heavy canopy, and rusted or missing caps give wildlife an open door during the off-season. We’ve pulled squirrel nests, bird debris, and once a full raccoon latrine out of DuraFlex flues in that ZIP. A proper cap with a wildlife screen stops it, and it’s cheaper than evicting a tenant. Call (855) 507-9184 if you hear scratching in the flue.
Central Texas clay soils and hard freezes mean limestone chimneys in Austin absorb water, spall, and crack over time. Waterproofing the masonry crown and exterior helps stop water from tracking down onto the liner and its insulation wrap. We recommend it on most exterior limestone chimneys we service in Austin, especially where we see rust staining or eroded mortar joints. Call (855) 507-9184 and we’ll tell you if yours needs it.
Service Areas Near Austin
We run DuraFlex chimney cleaning and service throughout the greater Austin area, including Austin service area neighborhoods like Travis Heights, Hyde Park, Clarksville, and 78704. We also work in Cedar Park, Anderson Mill, Brushy Creek, Jollyville, and Leander. If you’re in DuraFlex service in Manor or DuraFlex service in Hornsby Bend, we cover that stretch too.
Book Your DuraFlex Service in Austin Today
If your DuraFlex liner is due for a cleaning or you’re seeing draft problems, cap damage, or water staining, call (855) 507-9184 and we’ll get you on the schedule. One company handles the sweep, the repair, and the sign-off.
Written by Nolan Pruett, Owner at Ashton Chimney, serving Austin and surrounding communities for over a decade.