Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
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 Repair in Henderson: What to Know First
We provide independent Gelco chimney repair throughout Henderson, with most jobs completed in a single visit once parts are in hand. A standard Gelco mortar repoint or flashing repair typically runs $400 – $900, while a partial rebuild can reach $1,800 – $3,200 depending on flue condition and access. The written price you approve before work starts is the price you pay.
This page is for Henderson homeowners whose Gelco chimney or fireplace component has started to fail. We are an independent Gelco service provider, not an authorized dealer or warranty agent. What that means for you is straight talk on what a Gelco part costs, when it can be repaired, and when it is time to plan a replacement. Call (775) 375-4267 and a live person answers, day or night.
How Gelco Products Fail – and How We Fix Them
Gelco makes a range of chimney chase covers, caps, and termination components that show up on Henderson homes, particularly in neighborhoods built from the late 1990s through the 2010s. In the Green Valley Ranch corridor and other older Henderson subdivisions, we routinely see Gelco components wearing in ways the manufacturer’s own documentation does not mention. Here is what we find most at the repair bench:
- Galvanized chase covers on the Gelco GC series develop rust-through at the corners within 8 to 12 years in Henderson’s hard water and summer heat. The 110-degree July days bake the galvanized coating, and the next rain starts the pitting. We replace these with sealed stainless steel, sized to the chase dimensions exactly, and reflash the top in one visit.
- Gelco multi-flue cap screens fail from ember accumulation more than rust. Henderson wind patterns push creosote dust and ash back against the screen until it cakes over. Homeowners notice the drafting problem before they ever look at the cap. We rebuild or replace the screen and verify the draw with a smoke test before we leave.
- Mortar joints around Gelco termination collars crack in Henderson’s spring freeze-thaw cycle, especially on east-facing chimneys. Water gets in, freezes, and pops the joint open. We grind the failed mortar, repoint the collar, and seal with a flexible masonry caulk designed for thermal movement.
- Gelco spark arrestor rings on older profiles warp under direct desert sun. The stamped steel ring distorts, the cap sits off-level, and rain funnels into the flue. Sometimes the part can be reshaped; usually it needs replacing. We will tell you which one is true on your roof.
- Chase top transitions where Gelco meets stucco are a quiet failure point across Henderson builds from the early 2000s. The original installer may have skipped a weep edge or used the wrong sealant. Water tracks under the cap and runs down the chase interior. We pull the cap, inspect the chase with a camera, and if needed install a proper drip edge and reseal the entire transition.
The pattern across all of it: Gelco parts fail where water, heat, and wind stress the connections, not inside the part itself. Knowing that is what changes the repair. Hank Delano has torn down enough Henderson chimneys to tell you what the flue needs first and what can wait a season.
Styles & brands we work with





Our Gelco Chimney Repair Process
Here is how a typical Gelco repair runs with our crew, from first call to final cleanup. There are no surprises because each step is documented before the next one starts.
- 1
You call (775) 375-4267 and talk to a live person. We schedule a time that works and we arrive inside the window.
- 2
On-site diagnostic. The technician inspects the flue and the Gelco component, takes photographs, and runs a camera into the chase or flue where needed. You see what we see.
- 3
Written repair plan. We tell you in plain words exactly which Gelco part has failed, what the repair will cost, and whether OEM or quality aftermarket parts make sense for the job.
- 4
The repair. We work from the roof or the firebox, whichever the job requires. That could be repointing, a new chase cover, flashing repair, or partial chimney rebuilding.
- 5
Verification. We run a smoke or draw test, confirm the firebox drafts correctly, and clean the workspace down to deck and hearth.
- 6
Your guarantee. Every repair comes with the 365-Day Done Right Promise in writing. If a covered repair fails within one year, we return at no charge. No argument, no invoice.
See the difference
Before
After
Before
After
Before
AfterWhat Gelco Chimney Repair Costs in Henderson
Here is the honest spread for the Gelco jobs we see most in Henderson. Every price includes labor, the part, and the written guarantee for a full year.
- Gelco chase cover replacement (steel): $450 – $800
- Gelco spark arrestor or cap screen replacement: $180 – $350
- Mortar repointing around a Gelco termination collar: $350 – $650
- Flashing repair where Gelco meets the roof line: $400 – $900
- Partial chimney rebuild involving Gelco components: $1,800 – $3,200
The price moves based on access, the condition of the surrounding masonry, and whether the repair requires a second trade like stucco patching. No job gets a final price before we see it on a ladder. Tell me what the flue looks like, and I’ll tell you what it costs – no guessing, no padding. Call (775) 375-4267 for a free estimate, and you will have a written number before any tool comes off the truck.
Why Henderson Homeowners Call Flint Chimney Co Henderson for Gelco Work
Most Henderson homeowners do not care about the brand name on the cap. They care that the repair works, the price holds, and the crew shows up sober and on time. We run under The Garrison Standard, the same code every Garrison Partners location follows, and the rule is simple: if it is not done right, we make it right, in writing, for a full year.
We work with Gelco components every month, but we also install DuraFlex and HeatShield products when a repair calls for a different material. That means the recommendation is not driven by what is left in the truck. It is driven by what your chimney actually needs. Our technicians are background-checked and uniformed, and our phones are answered by a real person 24/7. You will know exactly who is walking through your door and exactly what the job will cost before work begins.
FAQs
Warranty coverage is between you and Gelco, and as an independent provider we cannot speak for their terms. In practice, most Gelco components we repair in Henderson are already outside the warranty window. If your part is still under warranty, we will tell you so and point you to the manufacturer before recommending a paid repair.
We can source OEM Gelco parts when they are available, but many Henderson supply houses carry quality aftermarket equivalents that match or exceed the original spec for less money. We will lay out the exact part, cost, and source for each option in your written estimate, and you decide.
For common parts like chase covers and spark arrestors, most Gelco repairs in Henderson are completed within one week of diagnosis. Custom-fabricated or backordered parts can stretch to two or three weeks, and we will tell you the moment we know. Call (775) 375-4267 to get real availability for your specific component.
If the failure is at a connection point, like flashing or a mortar joint, repair is usually the right call. If the component is rusted through, warped, or the metal has thinned from desert weather, replacing with a modern sealed unit is often cheaper over the long run. Our rule is straightforward: we recommend repair when it holds and replacement when it does not, and the camera images we show you support that recommendation.
You call us, we return, and we fix it. That is the 365-Day Done Right Promise, written on every repair, valid for one full year from the service date. There is no charge for the second visit, no argument, and no fine print to untangle.
For a free estimate on Gelco chimney repair in Henderson, call (775) 375-4267. A live person answers, day or night. We will schedule the visit, inspect the chimney, and put the price in writing before any work begins.
Written by Hank Delano, Owner, Flint Chimney Co Henderson at Flint Chimney Co Henderson, serving Henderson and nearby areas.