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.
Gelco Chimney Cleaning in Humble, TX | Flint Chimney Co Houston
A Humble Chimney Sweep for your Gelco system typically runs $189 – $289 for a standard sweep with a Level 1 inspection, and most jobs take 60 – 90 minutes. We’re Flint Chimney Co Houston, an independent Gelco service provider, not a manufacturer affiliate. What makes our Gelco work different here comes down to one thing: we know how Humble’s clay soil and humidity age these chimneys faster than most homeowners expect.
We’ve been working on Gelco sales & service systems across Humble service area neighborhoods long enough to spot failure patterns before they turn into four-figure repairs. Hank Delano, our owner, learned the trade at Los Angeles Trade-Technical College and has been servicing Houston-area homes for over a decade. He’ll tell you the same thing he tells every Humble homeowner: tell me what you’re seeing, I’ll tell you what it costs to fix it. Call (325) 750-6259 for a written estimate before any work begins.
Why Humble Residents Choose Us for Gelco Service
We clean and repair Gelco chimney systems in Humble every week. That steady reps-on-the-job experience means we’ve learned the brand’s material behaviors hands-on, from older terra cotta flue tiles to newer stainless liners. We don’t lean on dealership support or manufacturer hotlines to diagnose a problem. We pull the camera, read the flue, and tell you straight what’s going on.
Hank’s crew has been servicing Houston homes, including a steady run of jobs in the Montrose area where older masonry fireplaces keep them busy, long enough to know what a Humble chimney looks like after a decade of Gulf Coast humidity. We’re background-checked and uniformed, every job gets a written price before the first tool comes off the truck, and all repairs carry a 365-Day Done Right Promise: if a covered repair fails within a full year, we return at no charge. That’s a commitment in writing, not a verbal pat on the back.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Humble
- Cracked or spalled Gelco clay tile flue liners. Humble’s expansive clay soil shifts seasonally, and those shifts transfer stress into masonry chimneys. What shows up is a stair-step crack pattern in the clay tiles, usually invisible until a Level 2 inspection after rain. We spot it with a camera before you smell it in the living room.
- Creosote glaze on Gelco stainless liners. Humble’s high humidity causes rapid condensation inside a stainless flue during occasional winter fires. That condensation binds creosote into a hard glaze that a standard brush won’t touch. We use mechanical rotary removal for glaze, not just a wire brush and hope.
- Rusted or detached Gelco chimney caps. A loose cap lets rain straight into the flue. From there, water works behind the liner and eats at the mortar. We check cap attachment on every single cleaning in Humble, because a $40 cap repair beats a $600 crown rebuild.
- Crown cracks from heavy rains. Humble gets drenched in the spring and fall. Water pools on a cracked crown, seeps into the brick, and the cycle repeats. We seal crowns with professional-grade materials, and when the cracks are too far gone, we rebuild.
- Musty odors after rain. That smell usually means moisture is getting in somewhere, often through a cracked tile liner or a failed cap. We don’t mask it with deodorizer. We find the opening and close it.
Gelco Service in Humble: What Local Conditions Mean for Your Equipment
In Humble’s older subdivisions off FM 1960, many Gelco masonry chimneys sit directly on expansive clay soil that shifts with every wet-dry cycle. That seasonal movement causes clay tile liners to crack in a stair-step pattern, a failure mode we see far more often here than in neighboring Atascocita’s sandy loam. It’s not a theory. It’s what our cameras show on a regular basis in neighborhoods like Bender Avenue and the ranch homes built in the 1970s and 1980s around it.
For a Gelco owner in Humble, this means one thing: a chimney that looked fine last March can have a cracked tile by October, just from the soil doing what clay soil does. High humidity then adds a second layer of trouble, because moisture condenses inside the flue and accelerates creosote buildup on stainless liners. You can’t see either condition from the ground. A Level 2 inspection with a camera is the only way to know what’s happening above the firebox. That’s why we recommend our Chimney Inspection in Humble before every burning season here, not every other year.
Gelco Models & Products We Service in Humble
We work on the full Gelco lineup you’re likely to find in Humble homes: 6-inch round stainless steel chimney liners, 8-inch oval flex liners with tee connections, original clay tile flue liners from construction, and masonry chimney systems with precast caps. When parts need replacing, we try to source original Gelco liner sections and caps first. When those are discontinued for older setups, we use code-compliant stainless aftermarket parts that match the flue dimensions exactly.
We stock the most common liner sizes and cap fittings for faster turnaround in Humble, so a straightforward repair doesn’t mean waiting two weeks on a backordered part. And we always tell you whether the part going in is Gelco original or a code-compliant equivalent, before we install it.
See the difference
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After
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Before
AfterGelco Service Pricing in Humble
A standard Gelco chimney cleaning in Humble runs $189 – $289, and that includes a Level 1 inspection. A Level 2 camera inspection, which we recommend for any older Gelco masonry chimney in this area, starts at $350 and includes a written report with photos. Crown sealing runs $250 – $500 depending on crack depth. A clay tile liner section replacement typically lands between $450 and $900 per section, and we don’t recommend replacing a tile unless cracks exceed one-third of the tile length. Otherwise we repair or coat to extend its life.
Every estimate is free and written, so the number on the quote is the number on the invoice if you approve the work. No price moves at the door. Call (325) 750-6259 for an exact quote on your Gelco system.
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 – Gelco Chimney Cleaning in Humble
Humble sits on expansive clay soil that swells when wet and shrinks when dry, and that seasonal movement pushes against masonry foundations and chimney structures. The stress cracks clay tiles in a stair-step pattern that’s far less common in neighborhoods built on sandy loam. A Level 2 inspection catches it early, before water and smoke move through the crack. Call (325) 750-6259 to schedule one.
Yes. Humble’s high humidity causes rapid condensation inside a stainless liner when you only fire the fireplace occasionally, and that turns creosote into a hard glaze. We use mechanical rotary tools to remove glaze without scoring the liner, then we vacuum the entire system. If you’re seeing flaky black deposits or a stronger than usual smell, call (325) 750-6259 and we’ll take a look.
It depends on the crack pattern. Hairline cracks under a quarter-inch deep can usually be sealed with a crown coat. Cracks wider than that, or a crown that’s crumbling at the edges, usually need a rebuild. Humble’s heavy rains make crown condition a bigger deal than it is in drier parts of Texas. We’ll show you the camera photos before we recommend either option.
A Level 1 inspection is a visual check of the accessible parts of the chimney, done during a routine cleaning. A Level 2 inspection adds a camera scan of the full flue interior, which is what you need to see hairline tile cracks, liner gaps, and hidden creosote glaze in a 1970s or 1980s Gelco system. For older homes off FM 1960, we recommend Level 2 before the first fire of the season. Call (325) 750-6259 for a written quote.
If the crack in a Gelco clay tile runs less than one-third the length of the tile, we can usually repair or coat it and get years more service. If it exceeds one-third, the tile has lost its structural integrity and we recommend replacing the section. Humble’s shifting clay soil tends to widen cracks over time, so we err toward replacement sooner here than we would in a suburb with more stable soil. Call (325) 750-6259 and we’ll walk you through the photos.
Service Areas Near Humble
We also provide Gelco chimney cleaning in Gelco service in Sugar Land, Gelco service in Houston, Baytown, Channelview, and Deer Park. Each area has its own soil and moisture conditions, and we adjust our inspection approach accordingly.
Book Your Gelco Service in Humble Today
Call (325) 750-6259 and a live person will answer. We’ll set a written price, schedule a window, and show up uniformed and ready to work on your Gelco system. Free estimates, no voicemail trees.
Written by Hank Delano, Owner at Flint Chimney Co Houston, serving Humble since 2002.