Level 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 Newark Homeowners Choose Gelco Chimney Cleaning
Level Two Chimney Newark provides independent Gelco service in Newark, including chimney cleaning, inspection, and repair across Newark, NJ, with a documented camera record on every visit. We service Gelco 5″, 6″, 7″, and 8″ flexible aluminum liners in the exact housing stock where they’re most common: pre-1940 rowhouses and multi-family flats whose chimneys were built for coal, converted for oil, then converted again for gas, often without relining the oversized flue. We’re not affiliated with or authorized by Gelco, and we say that plainly. What we are is the crew that’s pulled enough corroded, kinked, and soot-packed Gelco liners out of Newark chimneys to know precisely how they fail, what’s repairable, and what belongs in the scrap pile. Call (862) 245-4309 for a written price before any work starts.
Why Trust Level Two Chimney Newark for Your Gelco Chimney Cleaning?
Gelco’s flexible aluminum liners are thin by design. They’re economical, easy to pull through an offset flue, and in the right application they vent a gas appliance fine. The catch is that “right application” is specific, and Newark’s housing stock rarely matches it. Corrine Halstead, who runs our Newark operation, learned masonry and ventilation at New York City College of Technology in Brooklyn before spending years pulling liners from Essex County chimneys. She’ll tell you the same thing she writes on every inspection sheet: a Gelco liner in a Newark rowhouse needs the crown, the mortar joints, and the termination checked every time, because any water that gets past the crown ends up sitting against aluminum. We photograph everything. Clause 4 of the Haven Standard requires a documented photo record on every job, and we’ve run that way since 2009. You’ll see the liner condition, the crown, and the flue opening before anyone asks you to sign anything.
Common Gelco Chimney Cleaning Problems We Fix in Newark

These are the issues we see repeatedly in Gelco installations across Newark, from the Ironbound to the North Ward and up through Branch Brook Park’s rowhouse blocks:
- Corrosion and pinholing from acidic condensate. Gas appliances produce moisture that carries mild acids. Aluminum liners, especially older Gelco runs, develop pinholes where that condensate pools at the base or along horizontal offsets. Once pinholes start, exhaust leaks into the masonry cavity. We identify this on camera, not by guess.
- Mid-span kinks from unsecured brackets. Gelco liners are flexible, and in tall Newark chimneys it’s common to see a run that was never secured at the proper intervals. The liner sags, kinks, and restricts exhaust. We pulled a 6-inch Gelco liner from a 1950s Newark rowhouse where a collapsed mid-span kink from an old unsecured bracket was spilling water heater exhaust. Replaced the run and repointed the crown the same day.
- Water infiltration around the Gelco termination. The aluminum top plate and rain cap on Gelco termination kits rust and warp over time, especially near Newark Bay and the Passaic River where ambient moisture runs high. Once the top plate warps, water follows the liner down and soaks into the flue. The crown above it is usually the real problem.
- Soot packing against corrugated walls. Gelco’s corrugated aluminum profile creates ridges. When a gas appliance is slightly over-fired or the liner diameter doesn’t match the appliance’s BTU output, soot builds against those ridges fast. A standard brushing sometimes isn’t enough; the liner has to be inspected for buildup that’s hardened.
- Deteriorated mortar joints above the liner. Newark’s freeze-thaw cycle works on brick relentlessly. A Gelco liner can be perfectly intact while the masonry stack above it crumbles. Missing mortar joints let water into the flue, which runs down and attacks the aluminum. We repoint and rebuild crowns as a standard part of Gelco service here.
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AfterGelco Parts & Our Repair-vs-Replace Approach
We use genuine Gelco termination components when they’re available and still solid: top plates, rain caps, and connector pieces. For liner replacement, though, we’re honest about the math. Aluminum is cheaper up front. In a Newark chimney that’s oversized, unlined masonry, or exposed to repeated freeze-thaw water intrusion, a quality 316L stainless steel liner from DuraFlex or HeatShield often makes more sense over ten years. We’ll show you the camera footage and let you decide. If the Gelco liner is intact and merely clogged, our Chimney Cleaning & Sweep services restore function for a fraction of replacement cost. We don’t sell liners that aren’t needed. The camera doesn’t negotiate, it just shows what’s there. Call (862) 245-4309 and we’ll put the evidence in writing before any work begins.
Our Gelco Service Process - Step by Step

- 1
Diagnosis. A named technician arrives. We run NFPA 211 Level 2 camera inspection down the Gelco liner, noting diameter, corrugation condition, kinks, pinholes, and creosote class. We photograph the crown, termination, and flue opening.
- 2
Written scope. Before any work starts, you get a written price, written scope, and written warranty under Haven Standard Clause 1. H.A.V.E.N. is how we remember it: Have it in writing. No verbal-only pricing, ever.
- 3
Repair or replacement. If the Gelco liner is sound, we sweep it with brushes matched to the corrugated aluminum profile. If it’s failed, we pull it and install a Gelco-compatible liner or a 316L upgrade, securing it at the proper intervals this time.
- 4
Documentation. Clause 4 of the Haven Standard means a photo record on every job. You get before-and-after images, the written warranty, and the inspection findings on paper. Nothing verbal-only.
Gelco Products We Service & Install in Newark
We service the full Gelco flexible aluminum liner range: 5″, 6″, 7″, and 8″ diameters, including termination kits and connector components. Most of what we see in Newark are 6″ and 7″ runs on gas water heaters and boilers, and 5″ liners on smaller gas logs. We stock common termination components locally for faster turnaround, and we source materials through Haven’s buying network, which includes Gelco, DuraFlex, HeatShield, Olympia Chimney, Famco, and Copperfield. That network exists to keep prices honest, not to lock you into one manufacturer.
We Also Service These Brands

Level Two Chimney Newark isn’t tied to any single manufacturer. Alongside Gelco, we service liners and venting from DuraFlex and HeatShield regularly, and we install from both when a 316L stainless upgrade is the better call. The liner brand matters less than the condition of the masonry around it, and we’ll tell you that on the first visit.
FAQs - Gelco Chimney Cleaning Service in Newark
Yes, but brush selection matters. We use brushes sized and profiled to match Gelco’s corrugated aluminum, which prevents the brush from catching on ridges and tearing the liner. If the soot has hardened against the corrugated walls, we’ll show you on camera whether a standard sweep will clear it or whether more aggressive cleaning risks damaging an already-thin liner. Most Gelco liners in Newark clean up fine with the right brush and the right technique.
The telltale signs are a persistent stale or acrid smell near the water heater or boiler, visible soot streaks around the draft hood, or a carbon monoxide alarm that trips when the appliance runs. In Newark rowhouses, backdrafting is worse when the oversized masonry flue pulls poorly, which is exactly the condition many Gelco liners were installed to fix. We run a draft test and camera scan on every inspection. If exhaust is spilling, you’ll see it documented. Call (862) 245-4309 for an inspection if any of those signs sound familiar.
A kinked or pinhole-damaged liner cannot be repaired safely, because the aluminum is too thin to patch. The repair that works is replacing the damaged run. But a Gelco liner that’s intact and merely clogged with soot or creosote just needs a professional sweep. We’ve pulled liners from Newark chimneys that looked like scrap but cleaned up to near-original condition. The camera decides, and the written quote follows.
No. Gelco aluminum liners are rated for gas appliances, not wood or solid fuel. Wood fires reach temperatures that exceed what aluminum liners are designed to handle, and the creosote byproducts of wood burning are far more corrosive. For a wood-burning fireplace in Newark, we recommend a properly sized 316L stainless liner instead. If someone installed an aluminum Gelco liner on a wood-burning flue, we’ll show you why it’s unsafe and quote the correct replacement in writing.
Gelco’s documentation follows standard gas venting guidance, which is an annual inspection and cleaning when buildup indicates it. In Newark, we lean toward the conservative side: rowhouse chimneys with oversized flues and colder masonry tend to build soot faster than the national average. If you’re in an older brick rowhouse near Branch Brook Park or the Ironbound, we recommend an annual Level 2 inspection even if the liner looks fine from the top. It’s cheaper than discovering a blocked flue when the boiler is running in January.
A Gelco chimney cleaning in Newark typically runs $189 to $329 when it’s a straightforward sweep with no repairs. That includes the Level 2 camera inspection and the documented photo record under Haven Standard Clause 4. If we find a damaged liner, failed crown, or spalling brick during the inspection, the written quote will break out each item separately before anything proceeds. No verbal pricing, no surprises. Call (862) 245-4309 for an exact written estimate on your Gelco liner.
Book Your Gelco Service in Newark, NJ

You can reach us 24/7 at (862) 245-4309 and a live person answers, not a voicemail. We’ll get your Gelco liner inspected with a camera, document everything, and hand you a written price and written warranty before any work begins. Free second opinions on any written estimate are always available. If it’s not done right, our 365-Day Done Right Promise says we make it right.
Written by Corrine Halstead, Owner at Level Two Chimney Newark, serving Newark since 2009.





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