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 Inspection in Austin: What to Know First
A DuraFlex chimney inspection in Austin typically runs $189 – $349 depending on the level of inspection and whether we’re running a camera through the flue. We complete most DuraFlex inspections within 90 minutes and hand you a written report with photos before we leave the driveway. As an independent DuraFlex service provider, we work on these liner systems every week, and we’ll give you a straight answer on what needs attention now, what can wait, and what it’ll cost before any work starts.
This page is for Austin homeowners who have a DuraFlex liner system and need to know its actual condition. Whether you just bought the house, you’re selling it, or the fireplace has been acting strange, call (361) 420-8585 and we’ll schedule a time that works for you.
How DuraFlex Products Fail – and How We Fix Them
DuraFlex makes solid products, but every liner system ages, and Austin’s climate speeds certain things up. Here’s what we see on DuraFlex jobs in this city, and what we do about it:
- DuraFlex 316L inner wall pitting from Austin humidity. The 316L alloy resists corrosion well, but Central Texas summers push humidity through attic chase spaces, and over 12 to 15 years the inner wall can develop pinhole pitting near the top section where condensation collects. We spot this with a camera scan that shows exactly where the wall has thinned. The fix is usually a partial section replacement, not a full reline.
- DuraFlex 316Ti seam separation at the tee connection. This is the most common call we get on DuraFlex systems in Austin. High winds off the Hill Country push against the flue, and the tee body takes the flexing. Over time, the mechanical lock can loosen enough to leak flue gases into the chase. A Level 2 camera inspection shows the separation clearly. We resecure the seam and pressure-test before we call it done.
- DuraFlex Pro inner liner buckling after a chimney fire. If your home had a chimney fire before you owned it, the Pro series liner may have visible accordion buckling about midway down the flue. Homeowners can’t see this from the firebox, and a standard Level 1 visual won’t catch it either. Our camera run does. Depending on severity, we either repack insulation around the section or replace the damaged run.
- Insulation wrap settling on DuraFlex Pro and 316L installations. The ceramic insulation blanket between the liner and the masonry can settle over a decade of Austin freeze-thaw cycles, leaving cold spots that accelerate creosote condensation. In Travis County we regularly see creosote glazing concentrated in the lower third of the flue where the wrap has compacted. We document this in the report and typically recommend a flue cleaning plus re-wrap if the liner itself is still sound.
- Improper aftermarket parts from previous work. We’ve pulled generic non-DuraFlex connector boots and caps off systems in South Congress, Mueller, and East Austin that were installed by someone who didn’t want to wait for the right part. Non-OEM connectors often don’t seat correctly on DuraFlex liners, and that creates a spot where creosote accumulates or exhaust leaks. We only install genuine DuraFlex components or OEM-spec aftermarket parts that match the liner’s exact dimensions and alloy grade.
The takeaway here isn’t that DuraFlex is failure-prone. It isn’t. The pattern is that most issues develop slowly and quietly, and the only way to catch them before they become real problems is a camera in the flue. That’s why we treat every DuraFlex inspection as a chance to document exactly what’s there, not just to say “looks fine from the top.”
Styles & brands we work with





Our DuraFlex Chimney Inspection Process
Here’s how a DuraFlex inspection works when you call Alcott Chimney Austin:
- 1
Call and book. You call (361) 420-8585, a live person answers, and we schedule a date. Before we arrive, you’ll get the technician’s name and photo sent to you so you know who’s coming to the door.
- 2
Walk-through and fireplace history. We start by asking what you’ve noticed: smells, smoke backing up, noises, anything. If you’ve got a photo or a note from a previous inspection, we’ll review it with you.
- 3
Level 1 baseline or Level 2 camera run. On a DuraFlex system, we almost always run the camera, even for a “routine” inspection. It’s the only way to see seam conditions, inner wall pitting, and insulation wrap settlement. If you’re buying or selling the house, this is where the Level 2 documentation matters for your real estate file.
- 4
Findings walkthrough with the screen in front of you. Ruben Castellano’s crew shows you the camera footage and explains what you’re looking at. You’ll hear the straight version: what’s urgent, what can wait a year, and what isn’t a problem at all. You won’t get a vague warning and a big number.
- 5
Written price before any repair. If something needs fixing, we hand you a written quote with a fixed price before any work starts. No surprise charges at the end.
- 6
Repair, retest, and guarantee. If you approve the work, we do it, run a post-repair verification, and hand you a written guarantee on the repair. If it fails within the coverage period, the second visit is free.
What DuraFlex Chimney Inspection Costs in Austin
Here’s what DuraFlex inspection work typically runs in this city:
- Level 1 visual inspection (no camera, accessible from firebox and rooftop): $189 – $229
- Level 2 camera inspection (full liner scan with photo report): $279 – $349
- Level 3 inspection (involves opening a chase or removing masonry to access hidden sections): $450 – $800+, depending on what has to come apart
- Real estate inspection package (Level 2 plus written report formatted for your closing file): $299 – $369
What moves the price is access. A two-story roof in Travis Heights or a chase that’s been framed in tight takes more time than a single-story ranch in Round Rock. If we open a wall for a Level 3, the cost depends on what’s behind that wall. Every quote is written, fixed, and in your hand before work starts. Call (361) 420-8585 for an exact number on your home. Estimates are free.
See the difference
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After
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AfterWhy Austin Homeowners Call Alcott Chimney Austin for DuraFlex Work
We’ve been working on DuraFlex liners in Austin homes since 2002, and we’ve seen enough of these systems to know when a seam needs tightening and when it needs replacing. We don’t guess, and we don’t write a report that says “liner shows normal wear” without showing you the footage that proves it. Our technicians are background-checked and identity-verified under the Threshold Standard, and you’ll know their name and see their photo before they ring the bell. We also work with HeatShield and Gelco systems when a DuraFlex job calls for a resurfacing decision rather than a full liner replacement, so you get a complete set of options instead of a one-size-fits-all answer.
Every DuraFlex inspection comes with a written price before any work begins, and every repair we do carries a written guarantee. If the repair fails within the coverage period, we come back and make it right at no charge. That’s our 365-Day Done Right Promise, and it’s standard on every job we complete in Austin.
FAQs
Yes. We inspect and service DuraFlex liner systems regardless of who did the original install, and our camera run will map exactly what’s there now. We’re an independent DuraFlex service provider, not a manufacturer-authorized center, so we don’t have to clear our findings with anyone before we hand you the report. If the previous work used aftermarket parts that don’t match the liner’s alloy grade or dimensions, we’ll flag it in the report and give you the straight option: leave it, repair it, or replace the section.
No. An inspection by an independent chimney company does not void your DuraFlex warranty. The warranty on DuraFlex liners covers manufacturing defects in materials and workmanship, not normal wear, installation errors, or damage from chimney fires. What we document in an inspection can actually help you if you ever need to file a warranty claim: our camera photos and written findings establish exactly what condition the liner was in on the date of service. Call (361) 420-8585 to schedule an inspection, and we’ll talk through what your specific liner shows.
The camera footage tells us, and we’ll show it to you directly during the walkthrough. Pinhole pitting isolated to one section usually means a partial replacement or patched repair. Buckling, seam separation across multiple joints, or heavy glazing on both the inner and outer wall typically points toward a full reline. We don’t recommend a liner replacement without camera evidence because replacement is expensive enough that you deserve to see the problem with your own eyes. If you’re in Austin and you’ve been told you need a new liner, call us for a second look at (361) 420-8585.
Yes, and here’s the Austin-specific reason: our humidity and quick temperature swings don’t stop affecting your liner just because you don’t light fires. Condensation forms in the flue regardless, and over years it creates the conditions for pitting and creosote adhesion on unburned liners. A chimney inspection is also part of what protects your home during a resale or an insurance review. The camera run takes under an hour, and you’ll know the liner’s actual condition instead of assuming. Call (361) 420-8585 for a free estimate and we’ll get you scheduled.
We carry genuine DuraFlex components and OEM-spec aftermarket parts for the connector boots, caps, and tee bodies we commonly replace on Austin-area DuraFlex systems. You don’t need to source anything. We’ll quote you the exact part and labor cost before any work starts, and we’ll install the part that matches your liner’s alloy grade and dimensions. If you have a specific DuraFlex part number from a previous inspection, bring it up when you call (361) 420-8585 and we’ll confirm we have it or order it before the appointment.
Call Alcott Chimney Austin for DuraFlex Inspection
If you live in Austin or a nearby community and your chimney has a DuraFlex liner, we’ll come out, run the camera, and show you what’s actually there, on-screen, with a straight explanation and a written price for anything that needs fixing. You’ll know your technician’s name and see their photo before we arrive. Call (361) 420-8585 to schedule your free estimate today. Tell me what you’re seeing, and we’ll tell you what it actually means.
Written by Ruben Castellano, Owner, Alcott Chimney Austin at Alcott Chimney Austin, serving Austin and nearby areas.