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 South Lawndale, IL | Brightway Chimney Sweep
We provide independent Gelco chimney cleaning and liner service across South Lawndale, including Marshall Square and the blocks around Little Village. The one thing that makes our Gelco work different here is that we’re not just sweeping a flue – we’re servicing a chimney stack on a 1920s two-flat where the liner often vents both a furnace and a water heater, and where a decade of Chicago winters has already done real damage. Call (833) 365-6591 for a free estimate.
Why South Lawndale Residents Choose Us for Gelco Service
Gelco’s stainless flexible liners show up constantly in South Lawndale’s century-old flues, and our independent crew has pulled, measured, and replaced enough of them to spot a problem before it turns into a condensation drip on your basement floor. Neil Borowski built Brightway around the idea that homeowners deserve an honest inspection and a clear explanation – not a list of upsells. He grew up a few blocks from Eckhart Park in West Town and has spent the better part of three decades working on the same kind of two-flats and greystones that fill this neighborhood, with crews now handling Gelco repair in Lower West Side and nearby areas.
When you call us about a Gelco liner, you get someone who knows the difference between a 316L flexible kit and a 304L rigid section, and who can tell you whether a top plate replacement will buy you five more years or if the seams are too far gone. We stock genuine Gelco components for critical connections and use quality Gelco sales & service parts for everything from caps to connectors. Straight answers, no pressure.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in South Lawndale
- Condensation corrosion in undersized liners. High-efficiency gas furnaces retrofitted into 1920s two-flats run cooler exhaust than the old coal stoves those flues were built for. When a Gelco liner was never properly sized for the appliance load, condensation forms inside, rusting the stainless from the inside out. We see this constantly in basements along 26th Street.
- Cracked or separated liner seams after freeze-thaw cycles. South Lawndale winters hammer old brick and clay-tile chimneys. Water gets into the flue, freezes, expands, and works the seams of a Gelco liner apart. By March, that separation shows up as rust stains on the furnace or a draft that never quite pulls right.
- Top plate and cap corrosion from ice dams and humid summer debris. A Gelco top plate that’s been battered by ice sliding off a pitched roof in January, then left to sit under a layer of wet leaves and squirrel nesting in July, corrodes fast. We replace more caps and top plates in this neighborhood than anywhere else we work.
- Improperly sized Gelco liners that were never matched to the appliance load. If a previous contractor dropped in whatever liner was on the truck, the draft won’t be right. An oversized liner on a gas appliance pulls too slowly, letting moisture condense. An undersized one chokes the exhaust. Both are fire and carbon monoxide risks.
- Shared party wall flues with multiple appliances. In a dense South Lawndale two-flat, the chimney stack doesn’t belong to just you. A Gelco liner serving a basement furnace and a water heater on separate floors has to handle both loads without backdrafting into either living space. We inspect the whole run, not just the section we can see from the roof.
Gelco Service in South Lawndale: What Local Conditions Mean for Your Equipment
Here’s the thing about South Lawndale that most chimney companies from outside the neighborhood don’t grasp: many of these 1920s two-flats still vent a basement furnace and a water heater into the same oversized flue that once served coal stoves. That flue was designed for dirty, high-temperature coal exhaust. Today’s gas appliances run much cooler, which means less draft and more condensation. When a Gelco liner gets installed in that scenario without proper reduction, the liner sweats. Water runs down the inside, pools wherever the stainless has a seam or a scratch, and starts the corrosion clock.
We address this by assessing the actual appliance load before we recommend any Gelco liner size or repair. In many South Lawndale buildings, the right fix is a custom reduction to match the flue diameter to the furnace and water heater’s combined BTUs. That’s the difference between a liner that lasts twenty years and one that rusts through in five. It’s also the kind of detail you only learn by working these blocks repeatedly, not by reading a spec sheet.
On a block off West 26th Street in Little Village, our crew serviced a 1925 brick two-flat where the Gelco liner had separated at a seam, causing rust stains on the basement furnace. We replaced the damaged section with a new Gelco 316L kit, added a top plate, and restored proper draft – no more condensation issues. That’s the kind of repair that doesn’t require a full reline, and we told the owner so.
Gelco Models & Products We Service in South Lawndale
We work on the full range of Gelco chimney products you’re likely to find in a South Lawndale building. That includes the Gelco 316L Stainless Flexible Liner Kit, which is the workhorse for most two-flat relining jobs, and the Gelco 304L Rigid Chimney Liner for straighter runs where rigidity helps the draft. We also service Gelco Insulated Flexible Liners, which matter when an exterior chimney wall runs cold, and the Gelco Top Plate and Cap System, which is the first line of defense against Chicago weather.
For repairs, we stock genuine Gelco components for critical connections like top plates, caps, and connectors. Where a quality aftermarket stainless section or insulation will do the job at a lower cost, we’ll say so. We don’t push a full reline when a localized fix like a crown repair or a section replacement will safely extend the liner’s life. That’s the whole point of an honest inspection.
See the difference
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Before
AfterGelco Service Pricing in South Lawndale
Gelco chimney cleaning in South Lawndale typically runs between $180 and $340 depending on the flue’s condition, how many appliances are venting into it, and whether we’re doing a standard sweep or a Level 2 inspection at the same time. If we find liner damage that needs section replacement, that’s quoted separately after you see the camera footage.
What drives the cost: access (some of these gangways make roof work a two-person job), the amount of creosote or debris buildup, and whether the cap or top plate needs attention. A free estimate includes a visual inspection and a straight answer about what actually needs doing now versus what can wait. Call (833) 365-6591 and we’ll walk you through it.
Serving South Lawndale, IL — Our Local Coverage Area
We’re based in the South Lawndale area and know this community well, and we also cover Gelco in North Lawndale. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in South Lawndale
My South Lawndale two-flat has a Gelco liner that’s rusting at the seams – can it be repaired or does it need full replacement?
In most cases, a rusting seam can be repaired by replacing the damaged section rather than the entire liner. The deciding factor is how far the corrosion has spread. If it’s localized to one or two seams, we cut out the bad section and install a new Gelco 316L segment with proper connectors. If the rust runs the full length, replacement is the safer call. Either way, we show you the camera footage before you spend a dollar. Call (833) 365-6591 for an exact quote.
How often should I clean the Gelco-lined chimney in my 1920s brick building?
Once a year is right for most South Lawndale wood-burning fireplaces, and every other year for gas-only systems. These older flues tend to collect more debris from nearby mature trees and nesting animals, and the shared party-wall condition means you don’t always know what’s coming down from the unit above. A seasonal sweep before burning season is cheap insurance. We book fast, and estimates are free.
Can you install a Gelco liner in a chimney that vents both a furnace and water heater?
Yes, and this is exactly the situation we see across South Lawndale’s 1920s two-flats. The key is sizing the liner correctly for the combined appliance load, not just shoving in a standard diameter. We measure the BTUs of both appliances, check the existing flue dimensions, and install a Gelco liner sized so the draft stays strong without running too cold. Done wrong, you get condensation and rust. Done right, it’s set for decades.
What’s the best way to protect my Gelco cap from South Lawndale’s ice dams?
The most effective protection is making sure water can’t pool around the cap or top plate. We install the cap with proper flashing and sealant, and we check the crown for cracks that let moisture into the flue. In South Lawndale, where freezing rain and snow melt cycles are constant from December through March, a small crown repair can extend a Gelco top plate’s life by years. We’ll inspect yours during the next cleaning.
Do you see Gelco liner failures more in Marshall Square than in newer suburbs?
We do, and it’s not because the products are bad. It’s because Marshall Square’s housing stock is older, the flues were built for coal, and the chimneys have been through a hundred Chicago winters. Newer suburban homes have flues sized for modern furnaces from day one. A Gelco liner in a Marshall Square two-flat is working a lot harder. That’s why proper sizing and annual inspection matter so much here.
Service Areas Near South Lawndale
Beyond South Lawndale service area coverage, our crews work regularly in West Town, East Garfield Park, the Chicago Loop, Lincoln Park, and Logan Square. If you own a building in any of these neighborhoods, we can bring the same Gelco expertise to your chimney. See our Gelco service in Bridgeport page or the Gelco service in North Center page for details on those areas.
Book Your Gelco Service in South Lawndale Today
If your South Lawndale chimney has a Gelco liner that’s due for cleaning or showing rust, or you need Gelco service in McKinley Park, call (833) 365-6591. We’ll get you on the schedule before burning season and tell you exactly what the job involves. Free estimates, no pressure, straight answers.
Written by Neil Borowski, Owner at Brightway Chimney Sweep, serving South Lawndale with independent Gelco liner service for years.