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 Wilmington, CA | Flint Chimney Co Long Beach
We provide independent Gelco chimney cleaning and repair across Wilmington, and the job here runs differently than it does a mile inland. Salt air from the Port of Los Angeles works on Gelco dampers, caps, and clay tile liners in ways you won’t see in Lakewood or Downey. Hank Delano runs our crew, and we’ve spent years learning which Gelco components fail first in Wilmington’s coastal air. Call (562) 317-7262 for a written quote before any work starts.
Why Wilmington Residents Choose Us for Gelco Service
Plenty of chimney companies can sweep a flue. Few can look at a Gelco top-sealing damper on a 1940s stucco duplex near Avalon Boulevard and tell you whether the corrosion is cosmetic or the frame is about to bind. That’s the difference. Hank grew up in Los Angeles and learned his trade fundamentals at Los Angeles Trade-Technical College before spending the better part of two decades running chimney work across Southern California. He and the crew have swept hundreds of Wilmington chimneys, most of them original masonry from the 1920s through the 1950s.
We’re an independent Gelco service provider. Not manufacturer-affiliated, not authorized by Gelco. That independence means we recommend whatever actually holds up in Wilmington’s salt air, whether that’s a genuine Gelco part or a marine-grade stainless aftermarket piece that outlasts the original. Our techs arrive background-checked and uniformed. The price is in writing before a tool comes off the truck. Gelco sales & service work here gets the same one-year written guarantee we put on every repair.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Wilmington
- Salt-corrosion on Gelco top-sealing damper frames. The marine layer pushes moist, salt-laden air through the flue year-round, even when you’re not burning. Gelco damper frames corrode at the hinge and cable points, which causes binding or a damper that won’t seal. We see this constantly in Wilmington, far more than in Long Beach or Lakewood.
- Rust-through on Gelco cap mesh screens. The persistent coastal moisture sits on the screen, rusts it thin, and then embers start escaping through the holes. On a windy Santa Ana night, that’s a legitimate fire risk. We replace the screen or the whole cap, depending on how far the rust has traveled.
- Creosote glaze on Gelco clay tile liners. Homes from the 1930s to 1950s often have uninsulated masonry chimneys that run cold during Wilmington’s mild, seasonal burn cycle. Cold flues mean creosote doesn’t burn off; it glazes. A standard sweep won’t touch glaze. Our rotary cleaning equipment will.
- Spalling at Gelco cap bases. Salt air pools where the cap meets the masonry crown, soaks into the mortar, and causes the concrete to spall and crumble. The cap loosens. Water gets in. The damage compounds fast if it’s not addressed.
- Sharp edges on spalled clay tile liners trapping creosote. Pre-1960 Wilmington homes often have original clay tile liners that have spalled from decades of salt intrusion. Those sharp interior edges catch creosote and soot that a basic brush just skips over. You need rotary tools to actually clear the flue.
Gelco Service in Wilmington: What Local Conditions Mean for Your Equipment
Here’s the thing about Wilmington that never shows up in a generic chimney service page. Unlike neighboring Long Beach or San Pedro, Wilmington’s dense concentration of pre-1960 masonry chimneys sits directly downwind of the Port of Los Angeles’s salt-laden air. That salt penetrates porous mortar, migrates into the clay tile liner, and accelerates spalling on Gelco liners in a way you don’t see east of the 710. We routinely rotary-clean flues here that would pass a basic sweep a mile inland. The creosote hides in the spalled edges of the tile, and if you only brush it, you’ll think the flue is clean when it isn’t. A homeowner on Fries Avenue called us last winter after two other companies swept the same chimney in eighteen months. Our rotary head pulled out creosote glaze those brushes never touched. That’s the Wilmington difference, and it’s exactly why we don’t treat this city like every other stop on the route.
On a 1940s stucco duplex near Avalon Boulevard, our tech found a Gelco top-sealing damper frozen open by salt corrosion, its cable frayed, and the cap’s mesh screen rusted through in three places. We rotary-swept the clay tile liner to remove heavy creosote glaze, replaced the damper with a marine-grade stainless aftermarket unit, and installed a new Gelco-style cap with a finer mesh to block coastal ember drift. The whole job got documented with photos before and after, and the homeowner got a written report showing exactly what we found and what we did.
Gelco Models & Products We Service in Wilmington
We work on the full range of Gelco equipment found in Wilmington homes. That includes Gelco masonry fireplace dampers, both top-sealing and throat-mounted, Gelco stainless steel chimney caps in single-flue and multi-flue configurations, Gelco clay tile chimney liners, and Gelco wood-burning fireplace inserts with direct-connect flue collars. When a part needs replacing, we source genuine Gelco when availability works. For faster turnaround in Wilmington’s coastal climate, we often use marine-grade stainless steel aftermarket caps and dampers that outlast originals in salt air. We’re straight about the tradeoff, and the repair-or-replace call always lands on safety first. If a component can be cleaned, repointed, or resealed, we’ll say so instead of pushing a replacement.
See the difference
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AfterGelco Service Pricing in Wilmington
A standard Gelco chimney cleaning in Wilmington typically runs $180 to $340, depending on flue condition, creosote buildup, and whether rotary cleaning is needed. If the flue has heavy glaze or spalled tile edges, expect the higher end. Cap replacement starts around $250 and climbs with the size and material, especially if you opt for a marine-grade stainless unit built for salt air. Mortar repointing runs $400 to $1,200 depending on how much of the crown or exterior masonry needs work. Here’s what every free estimate includes: our Chimney Inspection in Wilmington, complete with a camera inspection of the flue, photos you can see yourself, and a written price before any work begins. The number on the invoice is the number you approved. Call (562) 317-7262 and we’ll get you on the schedule.
Serving Wilmington, CA - Our Local Coverage Area
We’re based in the Wilmington 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 Wilmington
It’s real, and we can show you the corrosion on your own damper or cap. Salt-laden marine air from the port settles on metal components, accelerates rust, and penetrates porous mortar. We see Gelco damper frames pitted and bound by salt corrosion in Wilmington homes every week, and the same models inland hold up noticeably longer. Call (562) 317-7262 for a free camera inspection and we’ll show you exactly what’s happening inside the flue.
If your chimney is original to a home built before 1960 in Wilmington, and you’ve never had it camera-inspected, there’s a good chance the clay tiles have spalled from decades of salt intrusion. Those sharp edges trap creosote that a basic brush misses. The only way to know is a camera look down the flue. If we see glaze or spalling, we’ll recommend rotary cleaning and show you the photos. Call (562) 317-7262 and we’ll schedule the inspection.
We can do either. Genuine Gelco caps are available for most replacements. But for Wilmington homes, we often recommend a marine-grade stainless steel aftermarket cap because it holds up to salt air better than the original. The decision is yours, and we’ll quote both options in writing before any work starts. Call (562) 317-7262 for a free cap inspection and written estimate.
It’s common. The thermal cycling from seasonal use, combined with moisture and salt in the air, works on the direct-connect flue collar fasteners and can cause them to back off or corrode. We’ll inspect the collar, the gasket, and the connecting flue, then either re-torque and reseal it or replace the fasteners with corrosion-resistant hardware. Call (562) 317-7262 and we’ll take a look, free estimate included.
Sometimes, yes. If the Gelco damper frame is structurally sound and only the cable, hinge, or seal is worn, we’ll rebuild the moving parts and reseal the frame. If the frame itself is corroded through or the damper can no longer close and lock, replacement is the honest call. Either way, you get a written price before the work and a one-year written guarantee after. Call (562) 317-7262 for a free damper inspection.
Service Areas Near Wilmington
We run Gelco service throughout the South Bay and Harbor Area. Wilmington service area coverage includes the neighborhoods around Avalon Boulevard, Banning Park, and the industrial corridor near C Street. We also handle Gelco service in Long Beach, plus work in San Pedro, Harbor City, and Gelco service in Lakewood for homes further inland where the same chimney problems show up differently.
Book Your Gelco Service in Wilmington Today
Clean flue, honest report – that’s the whole job. Call (562) 317-7262 to schedule our Chimney Sweep in Wilmington or your inspection. We’ll put the price in writing before anything comes off the truck.
Written by Hank Delano, Owner at Flint Chimney Co Long Beach, serving Wilmington and the South Bay since 2002.