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 Houston, TX | Flint Chimney Co Houston
We provide independent DuraFlex chimney cleaning and repair across Houston, and we do it without the manufacturer-authorization markup. The difference here comes down to clay soil and humidity, two Houston realities that most DuraFlex service pages never mention. Our crews work on DuraFlex 316L, 304L, Pro Connect, and Hybrid liner systems in Meyerland, Braeswood Place, the Heights, and every neighborhood in between. Call (325) 750-6259 for a free estimate, and we’ll put the price in writing before any tool comes off the truck.
Why Houston Residents Choose Us for DuraFlex Service
Flint Chimney Co Houston has been part of the Garrison Partners family since 2002, and Hank Delano has had his crew working Houston chimneys for over a decade. Hank learned the trade at Los Angeles Trade-Technical College, then spent years on Houston roofs where the humidity does things to mortar and stainless steel that most folks never think about until a brick falls or a liner rusts through. We’re the company that sketches a diagram on a notepad before quoting a dollar, because Hank believes you should see exactly what we found in the flue before you approve anything.
We’re an independent DuraFlex service provider, not a manufacturer-authorized shop. That means we stock OEM DuraFlex components because they fit correctly and hold their warranty, but we don’t have a corporate quota pushing us to sell you a full reline when a cleaning and a new top plate would do. Our DuraFlex sales & service work covers everything from scheduled sweeps to full liner replacements. We know which parts fail first on which liner models in Houston, because we’ve pulled enough of them apart to see the pattern.
Every job gets a written price before work starts. Our techs are background-checked and uniformed. A live person answers the phone 24 hours a day, seven days a week, at (325) 750-6259. Every repair carries the 365-Day Done Right Promise, a written guarantee valid for one full year. If a covered repair fails, we return at no charge.
Styles & brands we work with
Common DuraFlex Chimney Cleaning Problems We Solve in Houston
- Corrosion and pitting on 304L liners. Houston’s acidic humidity and frequent rain chew through 304L stainless faster than most manufacturers expect, especially on shaded or north-facing flues that stay damp for days after a storm. We see pinhole rust and surface pitting that requires full replacement more often here than in drier Texas cities.
- Creosote packed into corrugated liner walls. The ridges inside a DuraFlex flexible liner trap soot and tar. Houston’s rapid temperature swings cause creosote to flake off the walls and clog the liner throat. A routine sweep with rotary brushes removes what a flat wire brush misses.
- Liner separation at the tee or top plate. Clay soil movement in neighborhoods like Meyerland and Braeswood Place pulls chimney stacks away from the house, and the liner seams separate under that stress. A separated seam lets carbon monoxide and heat into the chimney chase, which is a safety issue, not a cosmetic one.
- Condensation-induced rust on liner caps and rain pans. Heavy rainfall and high humidity cause condensation to form inside the flue. That moisture rusts the stainless cap and rain pan, then drips down the liner and stains the firebox below. We replace caps and pans with OEM DuraFlex parts when the rust goes past surface level.
- Failed patch jobs from previous contractors. Houston has no shortage of chimney companies that slather sealant on a corroded liner and call it fixed. We pull those liners, show the homeowner the actual damage, and quote a proper durafl ex repair or full reline. No patch work, no arguing about what the previous crew should have done.
DuraFlex Service in Houston: What Local Conditions Mean for Your Equipment
Meyerland and Braeswood Place sit on Houston’s additive clay soils. These soils heave and shrink so dramatically with moisture changes that chimney stacks visibly lean, and liner systems pull apart at the roofline. A DuraFlex liner cleaned in these neighborhoods often reveals cracked seams from structural movement, a failure mode rarely seen in nearby suburbs with more stable soils. In a 1970s ranch on Braeswood Boulevard near Meyerland, our crew pulled a 316L DuraFlex liner for a scheduled sweep and found the corrugated walls caked with tar-like creosote and the top plate pulled 3/8 inch away from the flue due to soil movement. We removed the liner, cleaned it with rotary brushes, and reinstalled it with a new OEM top plate and locking band, then water-sealed the crown to stop rain intrusion into the chase. That’s the kind of work that Houston clay soil demands, and it’s why a standard sweep in this part of town has to include a structural inspection, not just a brush and vacuum pass.
For Houston homeowners outside those two neighborhoods, the risk shifts. The Heights has older masonry chimneys with spalling brick and deteriorating mortar joints. Homes built after the 1960s typically have prefabricated metal chimneys with DuraFlex liners that were never designed for decades of Houston humidity. We service all of it, and our DuraFlex work covers Houston service area calls within a one-hour response window across most of Harris County.
DuraFlex Models & Products We Service in Houston
We clean, inspect, and repair four DuraFlex product families in Houston: the 316L Flexible Chimney Liner, the 304L Flexible Chimney Liner, the Pro Connect Liner System, and the Hybrid Liner System. For 304L liners, we’re direct about the corrosion risk in Houston and we recommend 316L for replacement whenever the budget allows. For Pro Connect and Hybrid systems, we stock OEM connectors, top plates, and rain caps so we’re not waiting on a parts order to finish a repair. We prefer OEM DuraFlex components because they fit correctly and protect the manufacturer warranty. When a liner is too corroded or separated to repair safely, we say so plainly. A full DuraFlex reline is the honest fix, not repeated patch jobs.
See the difference
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AfterDuraFlex Service Pricing in Houston
A standard DuraFlex chimney cleaning in Houston typically runs $180 to $340, depending on liner condition, creosote buildup, and access. That price includes a Level 1 inspection and a written report. If we find liner separation, cap rust, or other damage during the sweep, we quote the repair separately, with a written price before any work starts. A cap replacement typically runs $150 to $400 depending on the DuraFlex cap model and flue size. A full DuraFlex reline starts around $2,500 and goes up based on liner length and access difficulty. Estimates are free. Call (325) 750-6259 and Hank will give you a straight price range for your specific setup.
Serving Houston, TX - Our Local Coverage Area
We’re based in the Houston 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 Houston
Stainless steel resists rust, but Houston’s acidic humidity and frequent rain create condensation inside the flue that attacks 304L stainless faster than dry climates do. Shaded and north-facing flues stay damp longer, which accelerates pitting. When we see 304L liners with rust, we usually recommend replacing with 316L, which holds up better against Houston’s moisture load. Call (325) 750-6259 for an exact quote on your liner condition.
No. A separated seam is a structural failure, not a cleaning issue. We can clean the liner, but the separation will remain and it lets carbon monoxide and heat into the chimney chase. The correct fix is removal, cleaning, and reinstallation with new OEM top plates, locking bands, and seam seals. In Houston’s clay-soil neighborhoods, we do this repair frequently. A chimney sweep that cleans a separated liner and says it’s fixed is doing you a disservice. Call us at (325) 750-6259 to schedule an inspection and see the damage for yourself.
Gas fireplaces in Houston should be swept and inspected once a year, even though they produce less creosote than wood fires. The reason is moisture. Houston’s humidity causes condensation inside the liner, which mixes with gas byproducts and creates a corrosive film. An annual sweep and Level 1 inspection catches that corrosion early. Book your annual sweep at (325) 750-6259.
Yes, and we see it regularly. Houston’s clay soil heaves and shrinks with moisture changes, which pulls chimney stacks away from the house. That movement pulls DuraFlex liners apart at the seams, especially at the top plate and tee connection. We recommend a structural inspection with every sweep in Meyerland and Braeswood Place. If your liner has separated, we’ll show you the gap and quote the repair. Call (325) 750-6259 to get it checked before the next heating season.
We recommend a DuraFlex OEM stainless cap with a multi-flue rain pan sized to your crown, not a universal aftermarket cap. Houston’s heavy rain needs a cap that directs water away from the liner and the crown, not one that just sits on top. We stock the common DuraFlex cap sizes for Houston homes and install them with water-sealed crowns. Call (325) 750-6259 for a cap recommendation and written quote.
Service Areas Near Houston
Our crews service the full Houston service area, including Humble, Sugar Land, Baytown, Channelview, and Deer Park. We also run dedicated crews for DuraFlex service in Humble and DuraFlex service in Sugar Land, so response times stay tight across the metro.
Book Your DuraFlex Service in Houston Today
Tell me what you’re seeing, I’ll tell you what it costs to fix it. That’s how Hank puts it, and that’s how we work. Call (325) 750-6259 for a free estimate. A live person answers, we schedule a time that fits, and the price you approve is the price you pay. Written, guaranteed, done.
Written by Hank Delano, Owner at Flint Chimney Co Houston, serving Houston and the surrounding metro since 2002 as part of the Garrison Partners family.