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 | Ashby Chimney Houston
We provide independent DuraFlex service across Houston, from a basic Chimney Sweep in Houston to full liner inspection and repair. What makes our DuraFlex work different here is simple: we’ve spent years pulling rusted connectors and corroded liner sections out of Houston chimneys, and we know exactly how this climate attacks that specific product. We’re not manufacturer-affiliated, which means we’ll tell you plainly when a DuraFlex liner can be saved and when it’s time to replace it. Call (903) 961-6496 for a free estimate.
Nathan Corliss has been running Ashby Chimney Houston for years, and his crew knows DuraFlex systems the way a mechanic knows a specific engine: by the way they fail. We’ve worked on original installations in 1990s-era brick veneer chimneys and on repairs after hurricane-driven rain pushed water past failing crowns. Our DuraFlex sales & service work covers the full Houston service area, and we stock the connectors, bands, and caps that let us fix most issues in one visit.
Why Houston Residents Choose Us for DuraFlex Service
Working on DuraFlex in Houston means understanding that the liner is rarely the only thing failing. Humidity gets into the chase, clay soil shifts the chimney stack, and storm winds work loose whatever the heat and moisture weakened first. Our technicians are background-checked and uniformed, and they arrive with a written price before any tool comes off the truck.
We carry genuine DuraFlex components when a liner still has practical service life left and only a section or connector is compromised. When the liner is too far gone, we say so, and we quote a 316L stainless replacement matched to the flue diameter and BTU rating. Nathan’s rule on the job is the same one we run the whole company by: tell you the price first, explain the work second, put it in writing third. That’s the whole system.
Styles & brands we work with
Common DuraFlex Chimney Cleaning Problems We Solve in Houston
- Pitting and crevice corrosion at 316L liner seams. Houston’s humidity never really lets up, and during hurricane season the air can carry salt inland. We regularly find liners that look solid from the top but are pitted at the overlapping seams where moisture sits and eats at the steel.
- Kinked or deformed flexible aluminum liners. Houston doesn’t freeze often, but when it does, the temperature swing is fast. An aluminum liner that’s been heat-cycled for fifteen years can deform on the first hard freeze and thaw. We see this most in older homes where the liner was a budget install to begin with.
- Disconnected Pro Connect joints after clay-soil movement. Expansive clay under Houston foundations doesn’t move dramatically, but it moves enough. Over years, a chimney stack can shift a half-inch, and that’s all it takes for a Pro Connect joint to slip apart behind the brick where nobody can see it.
- Rust staining at the crown-to-liner junction. Homeowners in Sharpstown and Spring Branch call us about what they think is soot staining their brick. Most of the time it’s water leaking at the top plate, running down the liner exterior, and bleeding rust through the masonry.
- Moisture intrusion at caps and top plates after storms. A hurricane doesn’t have to knock the cap off to cause damage. Driving rain hitting a corroded cap connection can channel water straight into the chase, accelerating liner degradation from the top down.
DuraFlex Service in Houston: What Local Conditions Mean for Your Equipment
Houston’s 1960s through 1990s subdivisions, Sharpstown and Spring Branch chief among them, hold thousands of masonry chimneys with original DuraFlex liners installed before modern waterproofing standards existed. The builders of that era relied on a simple top plate and caulk joint at the crown, and after thirty or forty Houston summers, that joint is the weak point. Water gets in at the crown-to-liner junction, runs down the outside of the liner, and produces the rust-colored exterior stains that homeowners keep mistaking for soot. The liner itself may still be serviceable, but the top connection has been quietly failing for years. That’s why our cleaning service in Houston always includes a look at the top plate and cap, not just a brush through the flue.
DuraFlex Models & Products We Service in Houston
We work on DuraFlex 316L Stainless Steel Chimney Liners, DuraFlex Aluminum Chimney Liners, DuraFlex Pro Connect Systems, and DuraFlex Flexible Liner Kits. When a liner is still in good shape and only a connector, band, or cap has failed, we use genuine DuraFlex parts so the system stays consistent. For older or heavily corroded segments, we quote a quality 316L aftermarket liner matched to the original diameter and BTU rating. We don’t stock every part for every model in the van, but we carry the common connectors, bands, top plates, and caps that cover most Houston installation types, which means one visit fixes most problems.
Level 2 Inspection, Waterproofing, and Cap Replacement
Any time we clean a DuraFlex system in Houston, we talk to the homeowner about a Chimney Inspection - Houston with a Level 2 camera. It’s the only way to see inside the joints. We also perform chimney waterproofing and cap replacement, because in this climate the liner’s biggest enemy is almost always water breaching the top of the system first.
See the difference
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After
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AfterDuraFlex Service Pricing in Houston
A DuraFlex chimney cleaning in Houston typically runs between $189 and $329, depending on flue height, accessibility, and how long it’s been since the last cleaning. If we’re adding a Level 2 camera inspection, expect $349 to $499. Cap replacement in Houston runs $225 to $475 installed. Chimney waterproofing adds $350 to $600 depending on the surface area and brick condition.
What drives cost here is access. Two-story homes in Katy with steep rooflines take longer to set up safely. A one-story in Sharpstown is faster. Every quote we give in Houston is written, and it includes the full scope before we start. Call (903) 961-6496 and we’ll give you an exact number for your chimney, not a range.
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
Yes. Houston’s humidity accelerates corrosion at liner seams and top-plate connections, so we recommend an inspection every year rather than every two. If we find early pitting, we can often address the connector or cap before the liner itself fails. Call (903) 961-6496 to book a cleaning that includes a condition check.
Usually it means water is getting in at the top plate and running down the liner exterior, not that the liner itself has failed. The stain is the symptom. The fix is often a new cap and resealed top plate, which we can do the same visit. Give us a call at (903) 961-6496 and we’ll tell you what we’re seeing.
Not automatically. If a camera inspection shows no deep pitting, no separated joints, and no moisture at the top, a 20-year-old liner can still have years left. We’ll tell you plainly when replacement is premature and when the liner’s integrity is gone. Estimates are free at (903) 961-6496.
It can. Aluminum liners expand and contract quickly, and a rare hard freeze followed by a rapid Houston warm-up can cause deformation over repeated cycles. We see this more in older installs. A Level 2 inspection will show if the liner walls are still smooth. Call (903) 961-6496 to schedule one.
Often, yes. Hurricane damage in Houston tends to hit the cap, top plate, or upper connector first. If the liner walls are still solid, we repair the top assembly with genuine DuraFlex parts and you’re done. We’ll only recommend full relining when the liner itself is corroded or separated. Call us at (903) 961-6496 after any major storm and we’ll put eyes on it.
Service Areas Near Houston
We serve Houston proper and the surrounding communities, including DuraFlex service in Spring, DuraFlex service in Katy, Pasadena, Missouri City, and Friendswood. If you’re within an hour of the city, chances are we can get to you, and we’ll give you the written price before we roll.
Book Your DuraFlex Service in Houston Today
If your DuraFlex liner is due for a cleaning, or you’ve noticed a stain, a smell, or a cap that looks past its prime, call (903) 961-6496. We answer the phone around the clock, and we’ll get you on the schedule with a written price before any work begins.
Written by Nathan Corliss, Owner at Ashby Chimney Houston, serving Houston since 2002.