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 Humble, TX | Flint Chimney Co Houston
DuraFlex chimney cleaning in Humble runs through Flint Chimney Co Houston, and we’re the crew that treats your liner like the load-bearing part of your house that it is. A standard sweep here typically costs between $189 and $329 depending on liner condition, access, and how long it’s been since the last cleaning. We’re independent, so when we tell you a DuraFlex liner needs work, there’s no manufacturer pushing us to sell you a new one. Call (325) 750-6259 and we’ll put the price in writing before a single tool comes off the truck.
Hank Delano runs this operation, and his approach to DuraFlex work in Humble is simple: document what we find, show you the photos, then tell you what it costs to fix it. If you’ve got a DuraFlex system in an older Humble home, you already know the drill. Humidity gets into everything. Clay soil shifts. Mortar cracks. The liner is often the difference between a safe burn and a chimney fire.
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Why Humble Residents Choose Us for DuraFlex Service
We’ve pulled, inspected, and reinstalled more DuraFlex liners in Humble homes than most companies see in a decade. That matters because DuraFlex is a specific system with specific failure points, not a generic pipe you can treat with a generic sweep. Hank learned the trade at Los Angeles Trade-Technical College and has been working Houston-area chimneys for over a decade, including plenty of older masonry fireplaces where DuraFlex liners are doing heavy lifting. When he sketches a flue diagram on a notepad before quoting a dollar, that’s just how the job gets done around here.
Our DuraFlex sales & service work in Humble covers everything from routine creosote removal to full liner assessments. We’re not manufacturer-affiliated. That’s the point. You get an honest read on whether your liner needs cleaning, repair, or replacement, and the recommendation comes from what we see with the camera, not from what a parts catalog suggests.
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Styles & brands we work with
Common DuraFlex Chimney Cleaning Problems We Solve in Humble
- Corrosion at the tee connection. When a DuraFlex liner isn’t insulated properly, acidic condensate eats at the tee. Humble’s high humidity makes this worse because the liner never fully dries between fires. We see this on liners that were installed a decade ago and never inspected. The fix is often a new tee and proper insulation, not a full reline, but you won’t know until we get eyes on it.
- Kinked or ovaled flex from offset flues. Older Humble homes, especially 1970s-era masonry chimneys, have settled clay tile that creates offsets in the flue. A DuraFlex liner pulled through a settled offset can kink or lose its round shape. We found this last fall near FM 1960. Once a liner is ovaled, draft suffers and creosote builds faster. That’s a replacement, not a repair.
- Draft reversal during spring storms. Humble gets biblical thunderstorms in the spring, and an improperly sized DuraFlex liner can push combustion gases back into the house when the barometric pressure drops. We check liner diameter against appliance output and flue height on every inspection. It’s a math problem, and we solve it with measurements, not guesses.
- Delamination at the flex seams from moisture. A cracked or missing crown lets rain soak the liner insulation. Over time, the seams start to separate. Humble’s heavy seasonal rains turn this from a slow leak into a structural problem. If we catch it early, we recommend crown repair and liner inspection. If it’s gone too far, the liner has to come out.
- Bird nests and debris at the liner top. More on this below, but it’s common enough in Humble that we mention it here. No rain cap means starlings move in. A blocked liner top doesn’t just restrict draft, it can force smoke back into the living room.
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DuraFlex Service in Humble: What Local Conditions Mean for Your Equipment
Here’s the thing about Humble that doesn’t show up in a manufacturer’s manual. Much of the housing stock here, especially the single-family brick and frame homes built from the 1970s through the 1990s, sits on expansive clay soil. That soil swells and contracts with moisture, and it moves foundations just enough to shift masonry chimneys. When the chimney shifts, the clay tile flue inside cracks. That crack is where moisture gets in and where heat gets out. Now put a DuraFlex liner in that same chimney and you’ve got a flexible stainless steel tube doing the job the clay tile was supposed to do, while the masonry around it keeps moving. The liner flexes, but the connections at the top and bottom don’t. That’s where stress concentrates. In neighborhoods near FM 1960, we routinely see DuraFlex liners that have been in place for five to ten years with stress cracks at the tee or at the top plate, not because the liner failed, but because the chimney moved underneath it. What we recommend for Humble homes is a Level 2 inspection every year, not every few years, because the soil here doesn’t stop moving. It moves a little every season. And over time, a little becomes a lot.
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DuraFlex Models & Products We Service in Humble
We work on the full DuraFlex line: the 316L Flexible Chimney Liner, the AL 29-4C Stainless Steel Liner, the Pro Connect Appliance Connector, and the Insulation Sleeve. For parts, we use genuine DuraFlex components when we can get them quickly, but if you’ve got a legacy installation that predates recent production runs, we source certified equal 316L or AL 29-4C parts from reputable distributors. Same spec, same alloy, no counterfeit risk. Our stance on repair versus replace is simple: if a liner shows more than 30% surface pitting or the flex has lost its round shape, we recommend full replacement. Patching a compromised liner is like putting a bandage on a tire that’s already showing cord. It’ll hold until it doesn’t, and you don’t want to find out which fire that is.
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See the difference
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AfterDuraFlex Service Pricing in Humble
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Serving Humble, TX - Our Local Coverage Area
We’re based in the Humble 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 Humble
No. In most cases we clean the liner in place using rotary brushes sized to the liner diameter. Removal is only necessary if the liner has failed or if we need to inspect the masonry behind it. Humble’s humidity doesn’t change that process, but it does mean we pay extra attention to moisture traps at the tee and top plate during the cleaning. If we find evidence of water intrusion, you’ll see it in the camera footage before we quote anything. Call (325) 750-6259 to schedule a Chimney Sweep in Humble and inspection.
Yes, and that’s exactly what it’s designed for. The DuraFlex liner creates a new, continuous passage for smoke and gases inside the cracked clay tile. The old flue doesn’t need to be sound, but the liner does need to be properly sized and installed. In Humble, where clay soil movement cracks flues on a regular basis, relining with DuraFlex is often the most cost-effective fix versus rebuilding the chimney. We’ll tell you if your chimney is a good candidate after a Level 2 inspection.
Annually. Humble’s humidity and clay soil shift put more stress on liners and masonry than drier, more stable regions. An annual Chimney Inspection in Humble catches corrosion at the tee, stress cracks at the top plate, and liner ovaling before they become safety problems. If you only have a wood-burning fireplace that sees occasional use, you might stretch it to every other year, but annual is the safer call here. Call (325) 750-6259 and we’ll put you on a schedule that makes sense for your chimney.
Only partly. The liner keeps water out of the flue passage itself, but it doesn’t fix a cracked crown, damaged mortar joints, or missing flashing. Water intrusion in Humble chimneys usually comes from one of those three sources. We recommend pairing a reline with crown repair and chimney waterproofing when we see moisture damage. A liner without a sound crown is a partial fix. We’ll show you exactly where the water is getting in before we recommend anything.
No, and this one is important. A liner installed for a gas appliance is rated for gas temperatures and gas byproducts, not wood smoke and creosote. Burning wood in a gas-rated liner can cause liner failure and a chimney fire. If you want to convert to wood, we’ll need to inspect the liner and likely replace it with a wood-rated DuraFlex 316L or AL 29-4C system. Don’t guess on this one. Call (325) 750-6259 and we’ll tell you exactly what you have and what it’s rated for.
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Service Areas Near Humble
We run DuraFlex service across the northeast Houston metro. In addition to our Humble service area, we handle DuraFlex cleaning and relining in Houston, Sugar Land, Baytown, Channelview, and Deer Park. If you’re in a subdivision near FM 1960 or Atascocita Road, you’re already in our regular rotation. For reference, see our DuraFlex service in Sugar Land and DuraFlex service in Houston pages for details on those areas.
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Book Your DuraFlex Service in Humble Today
Tell me what you’re seeing, and we’ll tell you what it costs to fix it. Call (325) 750-6259 and we’ll schedule a DuraFlex cleaning or Level 2 inspection in Humble at a time that works for you. Written price before work starts, every time.
Written by Hank Delano, Owner at Flint Chimney Co Houston, serving Humble and the northeast Houston metro.