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 The Woodlands, TX | Kindling Chimney Houston
We provide independent Gelco chimney cleaning, The Woodlands Chimney Sweep, and repair throughout The Woodlands, from Grogan’s Mill to Alden Bridge. We are not a Gelco dealer or authorized factory service center, and we don’t pretend to be. What we are is a crew that spends more time on roofs in The Woodlands than most, and the one thing that sets our Gelco work apart here is how the local conditions – oak pollen, humidity, and the wildlife that follows both – affect these stainless systems in ways you won’t see thirty miles south in Houston proper. Call (254) 978-7413 for a free estimate.
Why The Woodlands Residents Choose Us for Gelco Service
Danny Cortes, our owner and lead chimney technician, built Kindling Chimney on a straightforward idea: tell the homeowner exactly what we found, what it will take to fix it, and what it will cost, before a single brush gets pulled. That’s how we approach every Gelco system we touch. We carry OEM Gelco stainless components where they’re still available, and when a part is discontinued we’ll tell you that too, then use quality aftermarket stainless matched to the existing metallurgy so you don’t end up with galvanic mismatches at the cap-to-flue connection. The Woodlands keeps us busy because people here actually use their fireplaces – not every night, but enough that creosote builds, caps corrode, and liners pit. And when something fails, it’s usually a Gelco cap or liner on a masonry chimney in a home built between the 1980s and early 2000s. We know these systems. For deeper coverage across our The Woodlands service area, we schedule by village so our techs aren’t crisscrossing 45 square miles of pine forest all day.
We also know The Woodlands homeowner. You’re not looking for a scare report. You want a straight answer about whether your Gelco cap has another season in it or whether it’s time. Danny’s whole career has been about slowing down on the inspection so we don’t miss the quiet stuff. We tell you what we found before we touch a thing.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in The Woodlands
- Galvanic corrosion at the Gelco cap-to-flue connection. The original fasteners on older Gelco caps weren’t always stainless, and when you combine Houston humidity with the tannin-rich acids from oak leaves and pine needles, those fasteners degrade faster than they should. We see this on homes throughout Grogan’s Mill and Cochran’s Crossing, where the tree canopy is densest. The fix is usually a stainless fastener swap and reseal, not a full cap replacement.
- Condensation pitting inside Gelco flexible liners. The Woodlands has mild winters, so fireplaces here run hot for a few hours and then go cold for days. That short-burn cycle means flue gases cool inside the liner before they fully vent, leaving acidic condensation sitting on the stainless. Over time, that pits the liner. We see it most often on wood-burning fireplaces in older villages where the chimney is on an exterior wall.
- Animal entry through warped Gelco cap mesh. Squirrels chew. Chimney swifts probe. The stainless mesh on a Gelco cap can warp and tear under that kind of attention, and once there’s a gap, it’s an invitation. Grogan’s Mill and Cochran’s Crossing homeowners call us every spring about this exact problem. We replace the screen or the whole cap and talk through what actually works for keeping swifts out.
- Warped Gelco chase covers on gas fireplace terminations. Thermal expansion on a gas termination chase cover is real, and it happens faster when the cover is on a west-facing chase that bakes all afternoon. Water finds its way in at the brick-to-chase transition and runs down the firebox. By the time you see staining inside, the cover has usually been compromised for a while.
- Creosote buildup in Gelco liners on rarely-swept fireplaces. It’s not a Gelco-specific failure, but it matters. Creosote builds in any liner, stainless included, and in a humid climate that creosote can crust rather than flake. It takes mechanical brushing to get it out. We do it with rotary and manual tools sized to the liner, never with chemical shortcuts.
Gelco Service in The Woodlands: What Local Conditions Mean for Your Equipment
Here’s the thing nobody tells you about owning a Gelco system in The Woodlands: the pollen problem. Every spring, live oak pollen and pine needles settle onto Gelco chimney caps. In a dry climate, that debris would blow off or rinse away. Here, the humidity keeps it in place, and what forms is an acidic, crusty paste that sits on the stainless mesh week after week. Over time, that paste accelerates pitting on the cap, especially around the screen openings and the cap-to-flue seam. Our techs see this buildup pattern in The Woodlands far more than in neighboring Spring or Conroe, where the canopy isn’t as thick over the rooflines. What it means for a Gelco owner is simple: an annual cleaning that includes brushing down the cap itself, not just the flue, is the cheapest insurance you can buy. A 20-minute cap cleaning during a standard sweep often prevents a $400 cap replacement two seasons later. If you live in Grogan’s Mill or anywhere near the George Mitchell Nature Preserve, you’re in the highest-risk zone for this.
We saw this play out last fall at a home in Grogan’s Mill. The homeowner called because water staining had appeared around the fireplace in the living room. On the roof, our crew found a Gelco multi-flue cap with the screen torn out – squirrel work – and a flexible Gelco liner showing early pitting from condensation. We replaced the cap with an exact-fit Gelco stainless unit, brushed the liner clean, and applied a waterproofing treatment to the crown. No more moisture through the winter. That’s what we mean when we say we work to the written care promise on every visit: price, clean-up, craftsmanship. All spelled out before anything starts.
Gelco Models & Products We Service in The Woodlands
We work on the full Gelco product range you’re likely to have on a Woodlands home: rigid and flexible stainless steel chimney liners, single-flue and multi-flue caps, chase covers, and the flashings and termination kits that tie it all together. If it says Gelco on it, we can service it. Our approach on parts is straightforward: we prefer OEM Gelco stainless components because matching the exact alloy avoids the galvanic issues that come from mixing metals at the cap and flue. But Gelco has discontinued certain lines over the years, and when that happens, we use quality aftermarket stainless caps and flashings that we have tested against the originals. We stock common Gelco cap sizes and fasteners in our local trucks so a The Woodlands call doesn’t turn into a two-week parts wait. And if you’re curious about the broader Gelco sales & service picture, that page covers how we approach the brand across the Houston metro.
See the difference
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AfterGelco Service Pricing in The Woodlands
Most standard Gelco chimney cleaning and our Chimney Inspection in The Woodlands run between $180 and $340, depending on the height of the chase, the liner type, and whether we’re just sweeping or also doing a full Level 2 camera inspection. A Gelco cap replacement typically adds $250 to $550 for the cap and install, depending on whether it’s a single-flue or multi-flue unit. If we’re looking at a liner repair or waterproofing treatment, we’ll give you a written price before any work starts – that’s the Cedarcell Care Promise, and it’s non-negotiable on our end. A full chimney waterproofing application on a masonry chimney in The Woodlands typically runs $400 to $700. What drives the cost most is access: rooflines here are often steep, and chases can be tall. Call (254) 978-7413 for an exact quote. Estimates are free, and we’ll tell you plainly if something can wait.
Serving The Woodlands, TX - Our Local Coverage Area
We’re based in the The Woodlands 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 The Woodlands
The short answer is the tree canopy. The Woodlands’ dense live oak and pine cover drops pollen and needles onto cap screens, and the humidity that sits over this area turns that debris into a mildly acidic paste that sits on the stainless mesh. Houston proper has less continuous canopy over roofs, so the same Gelco cap weathers more slowly there. If you’re in Grogan’s Mill or Cochran’s Crossing, plan on inspecting your cap every year during your sweep. Call (254) 978-7413 if you’re not sure when your cap was last looked at.
Once a year, at minimum, if you burn more than a couple dozen fires per season. The short burn cycles typical of The Woodlands winters create the condensation that accelerates creosote crust formation inside stainless liners, and the only way to know what’s actually in there is to brush it and look. If you burn rarely, every other year is still wise because the cap and crown need inspection regardless. For an honest recommendation based on your actual usage, call (254) 978-7413.
In most cases, yes. A failed cap doesn’t automatically mean a failed liner. We’ll do a camera inspection of the liner before we recommend anything, and if the liner is sound, we’ll replace the cap and leave the liner alone. If the liner is pitted or the cap failure has let enough moisture in to cause damage, we’ll show you the camera footage and explain your options without pressure. That’s the whole point of our approach: you see what we see.
Condensation. The Woodlands’ mild winters mean fires burn hot for a few hours and then the flue cools quickly, which lets acidic flue gases condense inside the liner. Over years, those acids create pinholes. It’s more common on exterior-wall chimneys where the liner runs through unconditioned space. Once pinholes start, patching is a temporary fix at best. We’ll walk you through whether a repair makes sense or if a replacement liner is the better value.
Gelco doesn’t market a swift-specific cap, but their standard multi-flue caps with intact mesh screens do the job if the screen is the right gauge and properly fitted. The problem we see in The Woodlands is screens that have warped or torn from squirrel chewing or repeated swift probing. That’s why we recommend checking the cap each year. A well-fitted Gelco cap with intact mesh will keep swifts and squirrels honest. If yours has gaps, call (254) 978-7413 and we’ll get it sorted before nesting season.
Service Areas Near The Woodlands
Our crews cover The Woodlands and the surrounding communities. You’ll find us working in Pearland, where Gelco caps on two-story brick chases are common, and across Houston, especially in older neighborhoods like Rice Military where masonry fireplaces hide years of buildup. We also serve Atascocita, League City, and La Porte, so if you’re on the edge of The Woodlands or a few exits down, we’ve likely been on a roof near you this season.
Book Your Gelco Service in The Woodlands Today
If you’ve got a Gelco chimney that needs cleaning, a cap that’s seen better days, or a fireplace that’s been making you hesitate, call (254) 978-7413. A live person answers, we’ll schedule you, and we’ll give you a written price before any work starts. That’s the Cedarcell Care Promise, backed by the 365-Day Done Right Promise on every job we do in The Woodlands. If it’s not done right, we make it right – no fine print.
Written by Danny Cortes, Owner & Lead Chimney Technician at Kindling Chimney Houston, serving The Woodlands and the wider Houston area since 2003.