Gas fireplace service
Sweep & inspection
Caps & crowns
Flue relining
Masonry repairLevel 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.
Why Houston Homeowners Choose Gelco Chimney Cleaning
We provide Gelco service in Houston, including independent chimney cleaning, repair, and component replacement, with technicians who work on Gelco flue liners, caps, and chase covers every week. What separates our Gelco work is knowing how the Gulf Coast actually treats these products: humidity that works into hairline cracks, rain that pools behind chase covers, and the occasional hard freeze that turns trapped moisture into a fracture. We are not an authorized Gelco dealer, and we tell you that plainly, because what we offer is independent expertise: real experience with Gelco’s failure modes in Houston conditions, honest repair-vs-replace guidance, and warranty-safe practices that won’t quietly void your coverage. If you have a Gelco chimney system in Houston and want an independent crew that knows its weaknesses, call us at (254) 978-7413 for a free estimate.
Why Trust Kindling Chimney Houston for Your Gelco Chimney Cleaning?
Danny Cortes, our owner and lead technician, built Kindling Chimney Houston on a habit that matters most with older masonry fireplaces: he slows down on every inspection. Before he ever reaches for a brush, he’s looking at the flue liner as a structural piece, not just a passage for smoke. Danny grew up in East Los Angeles and learned his first trade skills at Los Angeles Trade-Technical College before moving to Texas, where he’s spent the better part of two decades cleaning and inspecting chimneys across the Houston area, including older homes near Rice Military where masonry fireplaces tend to hide years of quiet buildup. That background means our techs recognize Gelco products on sight: the particular dimple pattern on Gelco terra cotta liners, the way Gelco chimney caps seat on a clay flue, the way Gelco chase covers fail at the rear flange after years of roof runoff. We tell you what we found before we touch a thing. Then we give you a written price before any work starts. No on-the-spot pressure, no surprise at the door.
Every Gelco service call from Kindling Chimney Houston includes the Cedarwell Care Promise: shoe covers and drop cloths go down on arrival, nothing is moved without asking, and a photo of the clean-up is taken before the crew leaves. We use pet-safe products where there is a choice. And every Gelco repair, cleaning, or component replacement we do is backed by the 365-Day Done Right Promise: if it’s not done right, we make it right.
Styles & brands we work with
Common Gelco Chimney Cleaning Problems We Fix in Houston
Gelco builds solid chimney components, but Houston’s climate does things to them that drier cities never see. Here are the issues we fix most often on Gelco systems across the city.
- Cracked terra cotta flue tiles from humidity and thermal cycling. Gelco Terra Cotta Flue Liners are fired clay: durable, but porous enough to absorb moisture. In Houston, a flue liner rarely gets a chance to fully dry out. When a sudden cold snap follows weeks of damp, humid air, the liner expands and contracts, and hairline cracks form. Those cracks aren’t always visible from the rooftop; they often start on the inside face where condensation sits. We find them with a camera inspection, not a guess.
- Rust-through on Gelco cap mounting collars. Gelco Stainless Steel Chimney Caps are well made, but the mounting collar is the weak point here. Houston’s rain is frequent and often heavy, and when roof runoff hits the rear flange of a Gelco cap over and over, even stainless will eventually corrode. We see this constantly on 1990s two-story homes where the gutter line puts water right at the chimney chase. The fix is usually a new Gelco cap and a re-routed drainage path, not a full rebuild.
- Spalling Gelco crown coatings. Gelco’s cementitious crown coat is a tough product, but it has the same enemy as every masonry coating in Houston: water that wicks into hairline cracks and then freezes during one of our rare cold snaps. The 2021 winter storm sent calls through the roof, because homeowners suddenly saw chunks of crown coat flaking off. Small patches are possible if we get to it early. Once the spalling spreads, we may need to grind and recoat the entire crown.
- Mortar joint erosion around Gelco flue liners. This one surprises a lot of Houston homeowners, because the cause isn’t weather. It’s acidic creosote condensate. When wood smoke cools quickly inside a Gelco terra cotta liner (very common in Houston, where fires are short and the chimney never fully heats), the creosote that forms is unusually acidic. Over years, that acidity eats at the mortar joints around the liner sections. The liner itself may be fine; it’s the joints that need repointing.
- Water leaking around Gelco flashing after heavy storms. Gelco flashing is only as good as the installation and the sealant around it. Houston gets torrential downpours that test every seam, and we regularly find Gelco flashing where the original install flexed slightly, breaking the sealant bond. The leak isn’t a flashing defect; it’s an installation and maintenance issue. We repair the flashing, replace the sealant with a high-flex aftermarket product that handles Houston’s expansion and contraction better than the original, and the leak stops.
Gelco Parts & Our Repair-vs-Replace Approach
We install OEM Gelco liners and caps whenever they’re available, because those are the parts that have to match exactly. A Gelco cap is engineered to seat on a Gelco flue tile with the right clearance, and a Gelco liner section has to match the existing inside diameter or your draft changes. For repointing and waterproofing, though, we use premium aftermarket mortars and sealants that outperform the original and handle Houston’s moisture better. The original mortar around your Gelco liner was fine for drier climates, but a high-flex aftermarket mortar gives the joints room to move without cracking.
Our rule is simple: repair over replacement when the existing Gelco clay liner is structurally sound and only surface spalling or cap corrosion is present. We don’t sell new liners to homeowners who don’t need them. If your Gelco liner has minor surface spalling but the flue is still solid, a camera inspection will confirm it, and we’ll tell you the liner can stay. If the cracking is structural, we’ll show you the camera footage so you can see it for yourself. Nothing is recommended without evidence you can look at. For a straight answer on your Gelco system, call (254) 978-7413 and we’ll schedule a camera inspection.
Our Gelco Service Process – Step by Step
- 1
Diagnostic inspection. We start with a camera inspection of the entire Gelco system: flue liner, cap, chase cover, flashing, and crown. Photos and video are included. We go slow here, because the problems that matter are the ones you almost miss.
- 2
Findings review. Before any work starts, you get a written summary of exactly what we found, what needs to be addressed now, and what can safely wait. We show you the photos. You decide. No pressure, no upsell.
- 3
Cleaning and repair. If it’s a cleaning, we use brushes sized to the Gelco liner’s inside diameter, with soft enough bristles that surface spalling isn’t aggravated. If it’s a repair, we use OEM Gelco parts where the fit matters, and aftermarket mortars, sealants, and waterproofers where they outperform the original in Houston’s moisture.
- 4
Testing and documentation. After the work, we run a draft check and a visual inspection to confirm the Gelco system is functioning correctly. You get a final photo report, including the clean-up photo.
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Warranty registration. Every Gelco cleaning and repair we do is documented and backed by the 365-Day Done Right Promise. If something isn’t right, we make it right. That’s the whole promise.
See the difference
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After
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AfterGelco Products We Service & Install in Houston
We work on the full Gelco line: Gelco Terra Cotta Flue Liners, Gelco Stainless Steel Chimney Caps, Gelco Multi-Flue Chase Covers, and Gelco Mortar and Crown Coat Products. We stock common Gelco cap sizes and liner sections locally for faster turnaround, and we can order any Gelco component through our supplier network when a specific model is needed. If you’re not sure which Gelco product you have, we can identify it during the inspection and pull the right part. Our crews have installed and serviced Gelco systems in every part of Houston, from Spring Branch to Clear Lake to the older ranch homes in Meyerland, and we also offer Pearland Gelco service.
We Also Service These Brands
While Gelco is the brand we’re asked about most often, Kindling Chimney Houston is a multi-brand shop that also provides Gelco Chimney Cleaning in The Woodlands, TX. We install and repair DuraFlex stainless steel liners and HeatShield cerfractory flue repair systems alongside Gelco components. If your chimney has a mix of brands, as many Houston homes do, we can handle the entire job in one visit rather than running a chase across different specialists.
FAQs – Gelco Chimney Cleaning Service in Houston
Yes, Houston’s high humidity and thermal cycling can crack a Gelco terra cotta flue liner over time. The liner absorbs moisture during humid months, then expands and contracts when rare cold snaps arrive. That cycle creates hairline cracks, often on the inside face where they’re invisible from the roof. A camera inspection will show exactly what shape your Gelco liner is in, and we’ll give you a straight answer on whether it can be cleaned and used as-is or whether it needs repair.
Gelco stainless steel caps are good products, but the mounting collar is a common rust point in Houston. The issue is water: frequent rain, roof runoff hitting the rear flange, and the generally damp coastal air. Once the collar rusts through at the flange, water gets inside the chase and the cap starts moving. It’s usually a cap replacement, not a full chimney repair. For an exact quote, call (254) 978-7413.
We repair Gelco crown coatings whenever the damage is localized. Small patches of spalling are fixable with proper surface prep and a compatible crown coat. If the spalling has spread across most of the crown, or the crown has separated from the flue, we’ll recommend grinding and recoating the entire surface. We will show you photos of the crown before recommending either path. Estimates for crown repair are free; call (254) 978-7413.
Yes, we can clean your Gelco chimney as part of our Chimney Sweep services without damaging the liner, as long as the liner is structurally sound before we start. We use brushes sized to the Gelco liner’s inside diameter and matched to its condition. If the liner already has deep structural cracks, cleaning can worsen them, which is why we always do a camera inspection before the first brush stroke. If cleaning is safe, we proceed. If it’s not, we’ll show you the footage and talk through your options.
Gelco flashing failure in Houston usually comes down to sealant breakdown or installation flex, not the flashing itself. Heavy rain tests every seam, and once the original sealant loses its bond, water finds its way under the flashing and into the chimney chase. We repair the flashing, replace the sealant with a high-flex aftermarket product that handles Houston’s expansion and contraction better than the original, and re-test. This is one of the most common Gelco repairs we do in Houston after heavy storms. Call (254) 978-7413 for a free flashing inspection.
No, Kindling Chimney Houston is an independent Gelco service provider, not an authorized Gelco dealer. That means we are free to tell you when a repair can wait, when an aftermarket part will outperform the original in Houston’s moisture, and when a full replacement honestly isn’t necessary. Independent also means we don’t push a particular product line; we fix what needs fixing.
Book Your Gelco Service in Houston, TX
If you have a Gelco chimney system in Houston and need a cleaning, repair, or component replacement, call us at (254) 978-7413. A live person answers, day or night, every day of the week. We’ll schedule a camera inspection, give you a written price before any work starts, and back the job with the 365-Day Done Right Promise. Estimates are free.
Written by Danny Cortes, Owner at Kindling Chimney Houston, serving the Houston area since the company’s founding within the Cedarwell family of companies, established in 2003.