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 Arleta Homeowners Choose Gelco Chimney Cleaning
We provide independent Gelco chimney cleaning, repair, and cap replacement across Arleta and the surrounding Northeast San Fernando Valley, and we’ve serviced enough of these systems to know exactly where they fail after 50 or 60 years of Valley heat. Gelco chimney caps in Arleta take a beating from Santa Ana winds and the hot-dry summers, and our job is to tell you honestly whether that cap, damper, or flue collar needs repair or full replacement. We are not a manufacturer-authorized dealer and we’ll never claim to be. Call (833) 958-9616 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Most Arleta homes went up between the late 1940s and the 1960s, which means most of the Gelco chimneys we work on are original to those single-story ranch tracts. That’s a very different service call than a newer prefab box. We know the flue collars, damper hardware, and crown profiles on these older Gelco systems because we’ve pulled them apart in homes all over Arleta. Harold Lawson, our owner, grew up in Arleta and learned the trade at Los Angeles Valley College before spending more than a decade in chimney and fireplace service. He built Chimney Sweep Arleta in 2017 on a simple rule: explain exactly what’s in the flue and why it matters, and never sell work that doesn’t need doing.
If you can’t tell me what’s in your flue, that’s exactly the problem.
Why Trust Chimney Sweep Arleta for Your Gelco Chimney Cleaning?
Because we’ve seen the specific ways Gelco chimneys deteriorate in this climate. The east San Fernando Valley cycles through summer highs over 100°F with almost no humidity, and that expansion and drying cracks mortar joints and crown caps faster than most owners expect. Then the Santa Anas show up in fall and find every loose component. We diagnose based on what’s actually in front of us, not a generic checklist.
Our technicians work on Gelco dampers, caps, flue collars, and the prefabricated metal fireplaces that were so common in Arleta’s mid-century build-out. When a damper blade warps from years of heat cycling, we don’t just note it on a form and walk away. We replace it. When creosote has glazed over into that glossy Stage 3 coating, we know what it takes to remove it without damaging the flue liner. Harold has pulled creosote out of hundreds of San Fernando Valley chimneys, and our crew works the same way he does: show the homeowner what we found, explain what it means, and fix what needs fixing.
You’re not getting a trainee with a brush on a pole. You’re getting a crew that knows Gelco hardware by sight.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Common Gelco Chimney Cleaning Problems We Fix in Arleta
- Crown and mortar joint cracking from Valley heat and seismic movement. The dry Arleta climate cycles masonry through expansion and contraction that accelerates cracking in Gelco crown caps and mortar joints. A cracked crown lets water into the chimney structure, and once moisture gets behind a brick face in this climate, the damage accelerates fast. We repoint mortar and rebuild crowns when the cracking is structural rather than cosmetic.
- Seized or warped damper blades. A Gelco damper that has sat through years of heat cycling and creosote buildup often warps just enough to stop sealing. That means cold air drops into the living room all winter, and smoke rolls back in when you light a fire. We clean the damper assembly, free up seized pivot points, or install a replacement when the blade is too far gone.
- Rusted or loose multi-flue caps after Santa Ana wind events. Gelco multi-flue caps take direct hits from wind-blown debris during the fall, and rain exposure during the occasional winter storm doesn’t help. A loose cap rattles, and a rusted one stops doing its job. Our cap replacement work uses Gelco OEM parts whenever available so the fit matches the original flue dimensions.
- Creosote glaze in wood-burning fireplaces. When Arleta homeowners burn unseasoned wood, the creosote that builds up in a Gelco wood-burning fireplace can harden into a glazed coating that regular brushing won’t remove. It requires a rotary sweep with the right head, and it’s not DIY work. Stage 3 glazed creosote is both flammable and a serious blockage risk.
- Bird, squirrel, and debris nesting in open flues. Arleta’s long dry season means most fireplaces sit unused for months, and the open flue becomes a nesting site. Nests don’t just block the draft, they can ignite from stray sparks. A proper Gelco cap with the right screen mesh prevents the problem, and we install those caps as part of our chimney service.
Those are the recurring problems, and none of them shows up on a manufacturer’s generic inspection sheet. That’s what we mean by knowing Gelco systems specifically rather than treating every chimney the same.
Gelco Parts & Our Repair-vs-Replace Approach
We use OEM Gelco parts for damper assemblies, caps, and flue collars whenever the manufacturer still supplies them. That means the replacement blade seats correctly, the cap mounting brackets line up with the existing flue tile, and the flue collar doesn’t need to be modified to accept a close-enough part. When a Gelco component is obsolete and no longer manufactured, we source quality aftermarket equivalents and tell you plainly what we’re using and why.
The repair-vs-replace decision comes down to something simple: what’s cheaper over the next decade, including the cost of another service call? A rusted Gelco multi-flue cap usually makes replacement the clear answer because patch repairs on corroded metal don’t hold in Arleta’s heat. But a damper blade that’s intact and just needs pivot cleaning is a repair. We’ll show you the condition of the part before we make the recommendation, so you’re not taking our word on faith.
Call (833) 958-9616 and we’ll schedule the inspection. The written estimate sets the final price, and the estimate is free.
Our Gelco Service Process – Step by Step
- 1
Diagnosis. We start with what the chimney actually shows. That means pulling the cap, running a camera through the flue when the condition warrants it, and checking the damper, crown, and firebox. For Gelco chimneys specifically, we’re looking for the failure patterns we described above, not checking boxes on a generic form.
- 2
Repair or installation. If we find damaged Gelco components, we show you the condition and walk through the options. Damper replacement, cap replacement, mortar repointing, or creosote removal with a rotary sweep. The work is done with OEM Gelco parts wherever they’re available, and we explain any aftermarket substitutions before installing them.
- 3
Verification and testing. After the work, we check the draft, confirm the damper seals, and verify the cap is secured. That’s where a repair either proves itself or gets corrected on the spot.
- 4
Report. You get a clear summary of what we found and what we did. Harold’s standing instruction is that nothing goes on the report that the homeowner hasn’t already seen and understood. No mystery, no upsell.
See the difference
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After
Before
After
Before
AfterGelco Products We Service & Install in Arleta
Our Gelco work covers the full range of what Arleta’s mid-century homes actually have: Gelco prefabricated metal fireplaces in both solid-fuel and gas setups, Gelco single-flue and multi-flue chimney caps, wood-burning fireplace inserts, and gas inserts with log sets. Each one needs a different cleaning approach and shows different wear patterns. A gas insert doesn’t build creosote, but an improperly vented gas fireplace is a carbon monoxide risk. A wood-burning Gelco fireplace that’s been run hard on unseasoned wood needs aggressive glaze removal. We treat them accordingly.
We Also Service These Brands
Gelco is a major part of what we see in Arleta, but we’re not a single-brand shop. We also work extensively with DuraFlex liner systems for relining cracked or deteriorated flues, and HeatShield resurfacing for restoring failing flue interiors. That means if your Gelco chimney needs a liner or resurfacing rather than a component repair, we handle it in-house.
FAQs – Gelco Chimney Cleaning Service in Arleta
No. We are an independent Gelco service provider, not a manufacturer-authorized dealer or factory-trained shop. That independence is deliberate: we diagnose what’s actually failing in your Gelco chimney rather than working from a manufacturer’s sales script. We use OEM Gelco parts because they fit correctly, not because anyone at the factory told us to.
Yes. We use OEM Gelco parts for dampers, caps, and flue collars whenever those parts are still in production. When a component is obsolete, we source quality aftermarket equivalents and show you what we’re installing before it goes in. You’ll know the brand and the reason for the choice.
In Arleta’s climate, that smell almost always comes from a damper that’s warped or no longer sealing, combined with creosote residue sitting in the flue. When the damper doesn’t close, air from the flue carries that creosote smell back into the living room. The fix is a damper adjustment or replacement plus a proper sweep. Call (833) 958-9616 and we’ll diagnose it directly.
That depends on the cap’s condition. If the damage is limited to loose mounting brackets or a torn screen, a repair may work. If the metal itself is rusted through or the cap has been bent by wind-blown debris, a replacement is usually the better long-term value because patch repairs on corroded metal don’t last in Arleta’s heat. We make that call with the cap in front of you.
The Valley’s dry heat cycles masonry through repeated expansion and drying, and seismic movement from regional earthquakes adds stress to the joints. The result is spalling brick faces and cracking mortar joints on older Gelco chimneys. It’s a structural issue, not a cosmetic one, because water getting behind the brick accelerates the damage. Repointing the mortar and sealing the crown stops the cycle.
Yes. A wood-burning Gelco insert pulls air through a different path than an open fireplace, and creosote accumulates in different spots. Gas inserts don’t build creosote at all, but they’re more sensitive to blockages in the venting. We match the cleaning method to the type of Gelco unit, and we don’t run the same brush through a gas insert that we’d use on a wood burner.
Not until it’s inspected. In Arleta, a fireplace that has sat unused for a season or more often has a bird or squirrel nest in the flue, and that’s a blockage that can force smoke and carbon monoxide into the house. Even without a nest, years of accumulated creosote is a fire risk. Sweep first, then burn. Call (833) 958-9616 for a free estimate on the sweep.
Chimney cleaning in the Arleta area varies by the condition of the flue, the cap and damper access, and whether creosote has glazed. A straightforward sweep of a well-maintained Gelco fireplace typically lands in the $180 to $340 range, while a heavy creosote removal with rotary tools and a cap replacement runs higher. The written estimate locks the price before work starts. Call (833) 958-9616 and we’ll quote your Gelco system specifically.
Book Your Gelco Service in Arleta, CA
Whether it’s a damper that won’t seal, a cap that’s come loose, or a flue that hasn’t been touched in years, we’ll tell you what’s in there and what it takes to put it right. Call (833) 958-9616 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by Harold Lawson, Owner at Chimney Sweep Arleta, serving Arleta since 2017.