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.
DuraFlex Chimney Cleaning in North Lawndale, IL | Crossroads Chimney Sweep
We provide DuraFlex sales & service across North Lawndale’s 60623 zip code. The thing that makes our DuraFlex work different here comes down to the housing stock: most of these chimneys were built for coal before 1930, and a DuraFlex liner often got retrofitted into a flue that was never designed for it. That means our cleaning visits in North Lawndale are really safety evaluations for the whole stack, not just a sweep. Call (877) 265-6720 to book an inspection.
Why North Lawndale Residents Choose Us for DuraFlex Service
Norm Szczepanski grew up on the northwest side of Chicago and has spent most of two decades working chimneys in Belmont Cragin and the neighborhoods around it. He learned the trade through the building trades programs at Triton College in River Grove, then put in years on century-old brick fireboxes and modern zero-clearance inserts before starting Crossroads Chimney Sweep. When we open a DuraFlex installation in North Lawndale, we know what we’re looking at because we’ve seen it before, usually on a three-flat off Ogden or a greystone walk-up where the rear chimney serves two or three units. We also offer DuraFlex repair in West Garfield Park.
We work with DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield components. That’s the roster we stock and install, and it matters when you’re dealing with flues that predate modern liner standards. We’re an independent DuraFlex service provider, not a manufacturer affiliate, and we also provide DuraFlex service in East Garfield Park. Our independence means we recommend DuraFlex components when they’re the right fit for a given flue, and we tell you plainly when they’re not. One call covers the sweep, the repair, and the dryer vent if you need it.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in North Lawndale
- Corrosion pitting on DuraFlex liner sections. In North Lawndale’s coal-era flues, a gas water heater or furnace often got vented through a chimney that was never relined properly after the coal furnace came out. The flue was oversized for the new appliance, which lets acidic condensate sit against the steel. We see pitted DuraFlex SW sections regularly here, and we’ll tell you if the liner can be cleaned or if it’s a replacement.
- Liner crimp and seam separation at offsets. Many original single-wythe brick chimneys in North Lawndale were never parged, which means the interior is rough. When a flexible DuraFlex liner gets pulled through an offset, the ribs can abrade against exposed brick, and repeated sweep passes can work a crimp loose. We check seam integrity before and after every cleaning.
- Cap and top-plate loosening from freeze-thaw. Chicago’s cold winters punish exposed masonry. On spalled exterior crowns, the DuraFlex top plate can shift as the brick moves, and that movement loosens the cap. Water gets into the annular space and accelerates rust at the liner’s top connection. This is one of the most common repairs we make in North Lawndale.
- Damper and tee-snout binding. In shared chimneys where one unit vents a wood-burning insert and another vents a furnace, creosote and soot collect around the DuraFlex tee. The tee snout can bind, restricting draft. On a shared flue, that restriction doesn’t just affect one apartment.
- Cross-unit venting interference. A DuraFlex liner serving one unit’s furnace can be compromised by a neighbor’s blocked or unlined flue in the same stack. We check every flue in the chimney, not just the one we were called for, because one unit’s backdraft can push exhaust into another apartment.
DuraFlex Service in North Lawndale: What Local Conditions Mean for Your Equipment
North Lawndale’s housing stock is dominated by dense brick two-, three-, and four-flats and greystone walk-ups built roughly between 1890 and 1930. Most of these buildings still have their original rear masonry chimneys, shared by multiple units, with flues that are single-wythe brick or early clay tile and often never relined. Freeze-thaw cycles are brutal on these structures: mortar joints fail, crowns crack, and spalling brick loosens whatever top plate or cap was installed. Then spring rain drives water into the flue, and the humid Chicago summer keeps working on the corroding metal. For a DuraFlex owner, that means the liner body might be sound while the top plate and cap are failing, and the two problems require different fixes. We also see liners that were installed without regard to the original flue’s offset, which is why we measure and inspect before we ever start sweeping. On a three-flat greystone block off West 16th Street, we opened a rear chimney to sweep for a first-floor owner and found a DuraFlex SW liner serving the gas water heater, its top plate loose and the cap rusted through from years of freeze-thaw. We removed the failed cap, swept the flue, and installed a new DuraFlex top plate and multi-flue cap sized for the shared stack, then confirmed the second- and third-floor flues were drawing properly before we left.
DuraFlex Models & Products We Service in North Lawndale
We service the DuraFlex product lines most commonly installed in Chicago’s older residential chimneys: DuraFlex SW single-wall stainless liner kits, DuraFlex PRO flexible stainless liners, DuraFlex Insulated Tee and Cap kits, and DuraFlex Top Plate and Multi-Flue Cap systems. We use genuine DuraFlex components for liner terminations, tees, and caps because the fit and alloy spec matter in century-old flues. Aftermarket clamps and sealants only get used where they meet the same standard. We stock the common cap sizes and top plates locally so North Lawndale repairs don’t wait on shipping, and we’ll tell you honestly when a pitted or mis-sized liner is a replacement rather than a patch.
See the difference
Before
After
Before
After
Before
AfterDuraFlex Service Pricing in North Lawndale
DuraFlex chimney cleaning in North Lawndale typically runs between $180 and $340, depending on the condition of the liner and whether multiple flues in a shared stack need attention. A Level 2 inspection adds cost but is often necessary on century-old chimneys where we can’t see the liner’s full length without a camera. Cap and top-plate replacement ranges from $250 to $600 depending on the size of the stack and the number of flues. If the liner needs replacement, the cost goes up significantly, which is why we show you the camera footage before recommending anything. Our estimates are free. Call (877) 265-6720 and we’ll give you an exact number for your building.
Serving North Lawndale, IL — Our Local Coverage Area
We’re based in the North Lawndale 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 – DuraFlex Chimney Cleaning in North Lawndale
On a shared chimney built before 1930, yes. A Level 2 inspection uses a camera to look at the liner’s interior and the flue’s full length, and on a stacked rear chimney in North Lawndale, you can’t see what’s happening two floors up without it. We’ll always show you the footage before making any repair recommendation. Call (877) 265-6720 if you’re unsure which inspection level your building needs.
Usually, yes. When the liner body is sound but the top plate or cap has failed from freeze-thaw movement, we can remove the old cap, sweep the flue, and install a new DuraFlex top plate and cap without disturbing the liner. We’ll inspect the liner’s top connection first to make sure the rust hasn’t spread down into the annular space.
In North Lawndale’s shared chimneys, if one unit’s flue is blocked or unlined and the other has a working DuraFlex liner, the draft in the working flue can pull exhaust from the compromised flue back into the building. This is a multi-unit venting problem, not a liner problem on your side, but it’s dangerous and needs to be checked. Call (877) 265-6720 and we’ll inspect the whole stack, not just your flue.
Often it is, but sizing is critical. Many of these flues were built for coal, which means they’re oversized for a modern gas furnace or water heater, and an incorrectly sized DuraFlex liner can trap condensate and corrode. We’ll measure the flue, look at the appliance, and recommend DuraFlex components only when the math works. When it doesn’t, we’ll say so plainly.
Freeze-thaw cycles on an exterior chimney cause the brick and crown to expand and contract, which loosens top plates and caps over time. A DuraFlex liner on an exterior chimney in North Lawndale is more likely to need cap and top plate maintenance than one on an interior flue. We recommend checking the crown and cap every spring. Call (877) 265-6720 to schedule that inspection.
Service Areas Near North Lawndale
We serve North Lawndale and the surrounding neighborhoods, including Belmont Cragin, Portage Park, Irving Park, Avondale, and Elmwood Park. If you’re in one of those areas and need DuraFlex service in Berwyn or DuraFlex service in Cicero, the same team covers those communities. Our full North Lawndale service area page has more detail on coverage boundaries.
Book Your DuraFlex Service in North Lawndale Today
If your DuraFlex liner hasn’t been swept in a while, or the cap is loose and rusted, call us at (877) 265-6720. We’ll schedule an inspection, walk you through what we find, and give you a straight answer on what needs fixing and what can wait. That’s how we work in North Lawndale.
Written by Norm Szczepanski, Owner at Crossroads Chimney Sweep, serving North Lawndale and the surrounding Chicago neighborhoods.