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 Northridge, CA | Flint Chimney Co Santa Clarita
We clean and service Gelco chimney liners and caps across Northridge, and the work here runs different than in neighboring cities. Thirty years after the 1994 earthquake, the upper third of many local chimneys still carries hidden stress fractures that show up as creosote absorption behind the liner and rust-through at the cap base. If you own a Gelco Thermax liner or Premier cap on a 1950s-to-1970s Northridge home, you need a chimney company that knows what seismic settling does to those components. That’s us. Call (661) 430-6125 for a written quote before any work starts.
Why Northridge Residents Choose Us for Gelco Service
Hank Delano grew up in Los Angeles and trained in combustion systems and flue work at Los Angeles Trade-Technical College before spending going on two decades cleaning and inspecting chimneys. He and our crew work on Gelco liners and caps in Northridge regularly, and we understand the difference between normal wear and earthquake-related damage. Gelco sales & service means knowing which components can be repaired and which need replacement. We’re independent, background-checked, uniformed, and we put our price in writing before a single tool comes off the truck. There’s no manufacturer affiliation here. You get a straight answer from a technician who has seen this exact failure pattern in your neighborhood.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Northridge
- Seismic-induced hairline cracks behind Gelco liners. The 1994 quake did more than knock down bricks. It left micro-fractures in masonry that absorb creosote and put uneven pressure on the liner. We find these during cleaning and inspection, often in chimneys that looked fine from the outside for decades.
- Rust through on Gelco cap bases. Santa Ana winds drive rain sideways into cap mounting flanges. Add Northridge’s hot-dry-to-wet-rain thermal cycling, and cap bases corrode faster than homeowners expect. When rust perforates the metal, replacement is the honest call, not patching.
- Creosote glaze in Gelco Thermax liners. Northridge winters are mild, so fires burn low and cool. That produces a hard, glossy creosote glaze that adheres to stainless steel liners and resists standard brushing. We use the right mechanical tools to remove it without scoring the liner.
- Mortar joint deterioration around Gelco flashings. Clay tile liners expand and contract with Northridge’s wet-dry cycles. That movement breaks down the mortar joints where Gelco flashings seat, opening paths for water intrusion at the roofline.
- Cap and crown separation after emergency post-earthquake repairs. Many 1994 repairs addressed visible brick damage only. The crowns and upper flue sections underneath often shifted, leaving Gelco caps misaligned and liners strained. We catch this during a Level 2 inspection, before it becomes a roof leak or a chimney fire risk.
Gelco Service in Northridge: What Local Conditions Mean for Your Equipment
After the 1994 Northridge earthquake, contractors did what they could with the money available. They repointed bricks, replaced caps, and called it done. What they didn’t do was run a camera up the flue for our Chimney Inspection in Northridge to check the upper third of the chimney, the section that takes the most seismic torque. Today, we routinely find hidden structural weaknesses there: shifted flue tiles, cracked mortar beds behind the liner, and Gelco caps sitting on crowns that are no longer level. A Gelco Thermax liner installed in 1995 might look serviceable from the top down, but the masonry around it has been slowly shifting for thirty years. That’s the Northridge difference. Burbank and Van Nuys homes don’t show this pattern at the same rate. Our tech inspected a Gelco Premier cap on a 1960s ranch on Encino Avenue where the metal base had rusted through at the mounting flange. We replaced the cap, then repointed the cracked crown beneath it, and the homeowner’s water stains disappeared after the first winter rain. In Northridge, a chimney cleaning is never just a cleaning. It’s a chance to see what the earthquake left behind.
Gelco Models & Products We Service in Northridge
We work on the Gelco Thermax stainless steel chimney liner, the Gelco Premier Series chimney cap, and the Gelco Standard stainless steel chimney cap. When structural integrity matters, we use genuine Gelco components. For non-structural replacements like fasteners or minor fittings, we’ll use quality aftermarket stainless parts where they perform as well. We stock common Gelco cap sizes and liner components for faster turnaround on Northridge jobs, and we repair rather than replace whenever the component can be safely restored. Rust-through on a cap base or perforation in a liner pushes us to recommend replacement, and we’ll show you the photos so you can see exactly why.
See the difference
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AfterGelco Service Pricing in Northridge
Our Chimney Sweep in Northridge for a standard Gelco chimney cleaning typically runs $189 to $329, depending on flue condition, creosote stage, and access. Adding a cap replacement starts around $275 for a Standard cap and $425 and up for a Premier Series cap, installed. Mortar repointing around flashings runs $350 to $900 depending on how much joint work is needed. A Level 2 camera inspection is $199 to $399. Every quote is written before work starts, and every repair carries our 365-Day Done Right Promise: if a covered repair fails within one full year, we return at no charge. Call (661) 430-6125 for an exact number on your chimney.
Serving Northridge, CA - Our Local Coverage Area
We’re based in the Northridge 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 Northridge
The earthquake didn’t just crack bricks. It shifted the upper chimney structure, which means your Gelco cap has been sitting on a slowly moving crown for thirty years. That movement strains the mounting flange, loosens fasteners, and opens gaps where water gets in. A cap that would last twenty-five years on a stable chimney might fail in fifteen here. We see it regularly in Northridge. Northridge service area work includes checking cap alignment and crown stability during every cleaning. Call (661) 430-6125 for an inspection quote.
Yes. We run a camera down the flue from the top without pulling the cap unless the cap itself is obstructing access or needs replacement anyway. That’s a Level 2 inspection, and it’s the only way to see the upper-third damage Northridge chimneys are known for. The camera doesn’t lie.
Gelco stainless components from the 1990s were built well, but thirty years of Santa Ana-driven rain and thermal cycling takes a toll. Cap bases rust at the flange, and liners develop stress points where the masonry shifted during the quake. If your Gelco components date to the 1990s, expect to evaluate them critically. Call (661) 430-6125 and we’ll tell you honestly whether they have years left or need replacement.
It’s different in type, not necessarily amount. Northridge’s mild winters mean homeowners burn low, cool fires, which produce a hard creosote glaze that bonds to stainless steel. Colder climates produce fluffier, easier-to-remove deposits. The glaze requires specific mechanical cleaning methods that we use on Gelco Thermax liners here.
Usually, yes. If the liner passes a camera inspection and the masonry behind it is sound, we replace the cap and leave the liner alone. But if rust-through on the cap has been letting water down the flue for years, the liner may have water damage that only shows up on camera. We’ll show you the evidence either way before quoting anything.
Service Areas Near Northridge
We cover Northridge and the surrounding San Fernando Valley, including Winnetka, Canoga Park, and San Fernando. We also run Gelco service in Santa Clarita and Gelco service in Reseda for homeowners who need the same written-price, guaranteed work in those areas.
Book Your Gelco Service in Northridge Today
Call (661) 430-6125 and we’ll get you on the schedule. Every job gets a written price first, and every repair is guaranteed for a full year. Clean flue, honest price – that’s the whole job.
Written by Hank Delano, Owner at Flint Chimney Co Santa Clarita, serving Northridge and the San Fernando Valley. In business since 2002 as part of the Garrison Partners family.