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 Avondale, IL | Crossroads Chimney Sweep
We’re Crossroads Chimney Sweep, and we provide independent DuraFlex cleaning and service throughout Avondale, IL, plus DuraFlex repair in Lincoln Square. The short answer: yes, we clean and inspect DuraFlex liners in Avondale’s brick two- and three-flats every week, and the one thing that makes our work here different is the shared-flue reality of these older buildings. A DuraFlex liner in a single-family suburban chimney behaves differently than one running through a century-old party-wall stack that serves two or three units. Call (877) 265-6720 for a free estimate on DuraFlex service in Avondale.
Why Avondale Residents Choose Us for DuraFlex Service
Norm Szczepanski grew up on the northwest side of Chicago, a few blocks from Kosciuszko Park, and he’s been working chimneys in Belmont Cragin and the surrounding neighborhoods for going on two decades. He’ll tell you that a DuraFlex liner is only as good as the flue it’s installed in, and around Avondale that flue is usually a century old. Our team works with DuraFlex sales & service every day, so we know how the corrugated Pro and smooth-wall SW liners hold up under Chicago’s freeze-thaw cycles and wind-driven moisture.
We’re not a generalist handyman outfit doing chimneys on the side. Crossroads Chimney Sweep stocks and installs recognized industry brands like DuraFlex, HeatShield, and Copperfield that cut-rate competitors rarely carry. For Avondale homeowners, that means the right liner material shows up on the truck, not whatever was cheapest at the supply house that morning.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Avondale
- Corrosion pinholes at the bottom joint. Condensate pools at the lowest point of the liner, especially in Avondale’s unlined or under-insulated flues. We find pinholes there during cleaning more than anywhere else. A camera inspection shows it plainly, and we’ll show you the footage before recommending anything.
- Insulation wrap torn by cleaning brushes. Tight offsets are common in Avondale’s shared party-wall stacks, and rigid brushes catch on degraded insulation. We size our brushes to the liner and inspect the wrap after every pass. When insulation has crumbled away, we say so, because a bare liner in a Chicago winter is asking for condensation trouble.
- Liner separation at elbow crimps. Thermal cycling from hard freeze-thaw winters works the crimped joints loose over time. Wind-driven lake-effect moisture gets in and starts rusting from the outside. On Avondale’s older two-flats, we see this at the smoke-shelf transition more often than anywhere else.
- Loose or missing top plates and caps. Lake-effect rain enters the annular space between the liner and the old flue tile when the cap is loose. That moisture sits against the outer wall of the DuraFlex liner and rusts it from outside in. We check the cap and top plate on every Avondale service call, because a missing cap here means more than just water; it means liner corrosion you won’t see from the firebox.
- Creosote buildup in corrugated liners. DuraFlex Pro’s corrugated profile gives creosote more surface to cling to, especially when Avondale residents burn green or unseasoned wood from the local bungalow-belt firewood suppliers. We remove it with the right brushes and confirm with a camera that the corrugations are clean, not just the high points.
DuraFlex Service in Avondale: What Local Conditions Mean for Your Equipment
Avondale’s dense blocks of late-19th and early-20th century brick two- and three-flats often have chimneys that serve multiple units through shared or stacked flues. That changes the job. A DuraFlex liner installed here frequently requires a Level 2 inspection and careful sizing to prevent cross-unit back-drafting, which is rarely a concern in a single-family ranch in the suburbs. Many of these original stacks still lack the clay tile liner that Chicago code now expects before any gas appliance or fireplace is signed off. On a two-flat in the Maple Park area of Avondale, our tech found a DuraFlex Pro corrugated liner installed years ago with insulation that had crumbled away, leaving the bottom joint corroded and allowing smoke from the first-floor fireplace to back-draft into the second-floor apartment — a problem we’ve also solved with DuraFlex in Irving Park. We pulled the old liner, cleaned the flue of heavy creosote and soot, and installed a new DuraFlex SW smooth-wall liner with fresh insulation and a custom multi-flue cap. No more back-drafting, a safer flue for both units, and a code-compliant liner ready for heating season. That’s the kind of Avondale job we do regularly.
DuraFlex Models & Products We Service in Avondale
We service the full DuraFlex family: the SW smooth-wall stainless liner, the Pro corrugated stainless liner, insulated liner kits, and direct vent kits for gas appliances. For critical connections and terminations, we use genuine DuraFlex components to maintain the liner’s listed rating. For caps, top plates, and insulation, we use high-quality aftermarket parts when they meet the same spec. We keep common Avondale-fit components on the truck, which means less waiting when a top plate is rusted out or a cap is missing and your chimney is open to the weather. If a DuraFlex liner is pitted through or has failed joints, we’ll tell you straight: relining is usually safer and more cost-effective than patching.
See the difference
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AfterDuraFlex Service Pricing in Avondale
Chimney sweeping in Avondale generally runs $180 to $340 depending on liner type, creosote load, and whether you need cap or top plate work. A Level 2 camera inspection typically adds $100 to $200. What drives cost here is access: third-floor stacks on a two-flat mean taller ladders and more setup, and shared party-wall flues require more careful brush work. Your free estimate from Crossroads Chimney Sweep includes a look at what’s actually going on before any money changes hands. Call (877) 265-6720 and we’ll give you a number based on your building, not a brochure.
Serving Avondale, IL — Our Local Coverage Area
We’re based in the Avondale area and know this community well, and we also provide DuraFlex in Albany Park and surrounding neighborhoods. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in Avondale
A properly sized DuraFlex liner can absolutely solve cross-unit back-drafting in a shared Avondale flue. The fix usually involves a Level 2 camera inspection to map the flue path, then either relining the shared stack or separating the flues depending on what the camera shows. Call (877) 265-6720 for a free estimate, and we’ll walk you through what your specific chimney needs.
You’ll usually notice one of three things: smoke backing into the house, a rust streak or water stain near the fireplace or furnace, or crumbling bits of insulation showing up in the cleanout. Sometimes the first sign is a quiet one, like a faint metallic smell when the furnace kicks on. We confirm with a camera inspection, which is part of our standard DuraFlex service in Avondale, and we show you exactly what the liner looks like before recommending repair or replacement.
DuraFlex SW is a smooth-wall liner that resists creosote buildup and has better flow characteristics. DuraFlex Pro is corrugated for flexibility in tight offsets. In Avondale’s older chimneys with multiple bends, the Pro often fits better, but the SW is easier to clean and lasts longer in our experience. We’ll make the call based on your flue path, your appliance, and your burning habits. Call (877) 265-6720 for an exact recommendation.
No. That’s the point of a DuraFlex liner: it creates a code-compliant flue inside a chimney that has no clay tile, deteriorated tile, or gaps between tile sections. Many of Avondale’s original stacks never had proper liners, and a stainless DuraFlex liner solves that without rebuilding the chimney. We’ll verify your flue condition with a camera and explain what Chicago code expects for your situation.
We recommend an annual inspection and cleaning for wood-burning fireplaces in Avondale, and every other year for gas-only appliances. Chicago’s freeze-thaw cycles and lake-effect moisture mean liners here work harder than they do in drier climates, so yearly checks catch corrosion and cap damage before they become expensive failures. We also offer DuraFlex service in Logan Square. Call (877) 265-6720 to schedule a DuraFlex cleaning in Avondale before heating season.
Service Areas Near Avondale
We serve Avondale and the surrounding northwest side neighborhoods, including Avondale service area coverage that extends to Belmont Cragin, Portage Park, Irving Park, and Elmwood Park. We also provide DuraFlex service in Harwood Heights and DuraFlex service in River Forest for homeowners just outside the city.
Book Your DuraFlex Service in Avondale Today
Norm and the Crossroads Chimney Sweep team handle DuraFlex cleaning, inspection, and repair across Avondale every week. Call (877) 265-6720 and we’ll get your liner looked at before heating season hits. A clean flue isn’t a luxury, it’s just how the thing is supposed to work.
Written by Norm Szczepanski, Owner at Crossroads Chimney Sweep, serving Avondale, IL.