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 Long Grove, IL | Duke Chimney Sweep
We clean and service DuraFlex stainless steel chimney liners across Long Grove, and we’re an independent provider, not a DuraFlex-authorized shop. What makes our DuraFlex work here different is that we know exactly what Long Grove’s wooded estate lots and freeze-thaw winters do to a flexible liner: insulation wets out, caps get torn up by snow load, and wildlife packs nesting debris against the liner top. Call (844) 660-6510 for a free estimate on DuraFlex cleaning, inspection, or cap replacement in the 60049 ZIP.
DuraFlex is what we stock and reach for on reline and repair jobs because the alloy quality holds up when the installation is done right. We also know where it fails, and in Long Grove those failures show up in specific, predictable ways that have as much to do with raccoons and oak canopies as they do with creosote. If you own a DuraFlex-lined fireplace or insert in Long Grove, this page tells you what to watch for. And if you’re not sure what you have, we’ll tell you after a look at the flue. See our full DuraFlex sales & service page for the broader scope of what we handle.
Why Long Grove Residents Choose Us for DuraFlex Service
Long Grove homeowners tend to call us when a generalist has already looked at the chimney and shrugged. DuraFlex liners in this village live in large custom homes, often two or three fireplaces deep, and the problems are rarely as simple as “needs a sweep.” Our techs work with DuraFlex liner kits, caps, and top plates every week. We know which stainless grades tolerate heavy creosote glaze, which insulation wraps sag when they get wet, and which cap mounting points back out after heavy snow.
Rob Szymanowski, who runs Duke Chimney Sweep, came up working chimneys and dryer vents across Cook and Lake counties before going out on his own. He learned the mechanical side through the HVAC and building systems program at Harper College in Palatine, and he built his reputation on explaining what he actually found, not inventing a reline quote to pad the day. He’s the person who will tell you plainly when a DuraFlex liner is still sound and a repoint is all the masonry needs. That’s the approach we bring to every Long Grove job.
We carry genuine DuraFlex liner, cap, and top-plate components for the series that are still supported. When a size has been discontinued, we fit quality aftermarket stainless that matches the original dimensions rather than forcing a full reline. You get parts that fit, not whatever happens to be on the truck.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Long Grove
Here’s what we actually run into on Long Grove DuraFlex chimneys. Some of these are liner issues, some are cap and wildlife issues, and most show up together.
- Wet, sagging insulation blankets on Pro liner kits. Long Grove’s freeze-thaw cycles mean moisture gets into the insulation wrap on DuraFlex Pro liner kits and it sags. Cold spots develop along the upper flue, creosote glazes hard in those zones, and a standard brush alone won’t touch it. We remove the glaze mechanically and check whether the insulation has to be replaced.
- Crimped or crushed flex liner at the smoke shelf. In the historic village center, pre-code chimneys often have narrow smoke shelves. Add raccoon or squirrel nesting debris and the liner joint gets worked loose or crimped. We pull the debris, inspect the liner top and joint with a camera, and re-secure or repair what’s actually damaged.
- Backed-out cap screws and torn bug screens. Heavy snow sits on Long Grove roofs for weeks. That load loosens DuraFlex cap and top-plate screws, and once the cap shifts, the bug screen tears or rusts open. Rain and squirrels get in. We re-set the cap, replace the top plate if it’s cracked, and upgrade the screen to a reinforced stainless mesh.
- Water migration through cracked top plates on older DuraFlex installs. Wood-burning fireplace inserts that were lined years ago often have cracked top plates and poor crown sealing now. Water tracks down the liner and rusts the connector at the insert collar. We catch this during a sweep, before the connector fails and the insert starts drafting smoke into the house.
- Heavy creosote glaze on the upper flue after a single season. Long Grove’s cold winters and hard-burning habits, often dry oak or maple from downed trees on these multi-acre lots, produce a dense, shiny creosote in the upper third of the liner. A rotary whip with the right nylon and stainless configuration takes it down to bare metal, which is what a DuraFlex liner needs to perform.
DuraFlex Service in Long Grove: What Local Conditions Mean for Your Equipment
Because Long Grove’s estate lots sit under a dense mature canopy, uncapped flues routinely collect leaves and twigs that raccoons and squirrels turn into nests on the smoke shelf. That’s not a minor nuisance. For a DuraFlex owner it means a sweep here often starts with pulling wildlife debris and inspecting the liner top before any brushing begins. The debris holds moisture against the stainless, which accelerates creosote adhesion, and the animals themselves work the flex liner loose, crimping it at the joint. A DuraFlex liner that would stay clean and intact in a prairie lot performs completely differently under Long Grove’s oaks, which is why homeowners in nearby Buffalo Grove face similar challenges with their DuraFlex systems. On a wooded estate off Robert Parker Coffin Road, our tech pulled a squirrel nest off the smoke shelf of a DuraFlex Pro lined masonry fireplace and found the flexible liner crimped where the animal had worked it loose. We straightened and re-secured the liner joint, swept the glaze off the upper flue, and set a new stainless multi-flue cap with a reinforced screen so the flue stays closed to wildlife through the winter. That sequence, wildlife first, liner inspection second, then the actual cleaning, is standard for wood-burning chimneys in this village. Standard enough that our techs carry camera and wildlife-removal gear alongside the brushes. A chimney on a cleared lot in a neighboring town doesn’t need that. Yours probably does.
For more on how we cover the village and the surrounding area, see our Long Grove service area page.
DuraFlex Models & Products We Service in Long Grove
We clean and service the DuraFlex Pro stainless flexible liner kit, the DuraFlex Reline insulated liner kit, and DuraFlex ProFlex flexible chimney liner. We also install and replace DuraFlex custom multi-flue and rain caps, and we handle the top plates, connectors, and insulation wraps that go with those systems. If your liner is an older DuraFlex series or a bit of a question mark, we’ll identify it during the inspection and source the correct OEM-compatible component.
On parts, we don’t play the game of pushing a full reline when a component is worn. If the liner itself is sound, we patch, repoint, re-secure, and cap. If the liner is crushed, perforated, or the insulation is saturated, then replacement is the honest call. We keep common DuraFlex cap sizes and top plates stocked so Long Grove customers aren’t waiting on a distributor for a simple cap fix.
See the difference
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AfterDuraFlex Service Pricing in Long Grove
A DuraFlex cleaning in Long Grove is priced the same way a standard flue cleaning is, and you can compare it directly below. What changes the number is the condition of the liner and cap, whether there’s wildlife debris to clear, and whether we need to do a Level 2 camera inspection. Here’s where things land in the 60049 ZIP.
- Standard chimney sweep with creosote removal: $189
- Chimney sweep for a long-neglected flue with thick glaze and wildlife debris: $229
- Level 2 camera inspection: $239
- DuraFlex cap and top-plate replacement: $375 – $750
- DuraFlex liner retop and re-secure (liner joint only): $245 – $370
- Full DuraFlex reline with Pro or ProFlex liners: $2,195 – $4,500
- Dryer vent cleaning, including roof, wall, and side-discharge vents: $129 – $189
A free estimate covers the actual condition of your DuraFlex liner, cap, and masonry, not a phone number and a guess. We’ll show you the camera footage before we recommend anything. Call (844) 660-6510 to book one.
Serving Long Grove, IL — Our Local Coverage Area
We’re based in the Long Grove 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 Long Grove
Yes, you need a cap with a reinforced stainless screen and a top plate that’s anchored to handle Long Grove’s heavy snow load. A standard cap with a flimsy bug screen will tear open after a season or two, and raccoons and squirrels will work it loose. Call (844) 660-6510 and we’ll check what’s on your flue now.
We can, and we do it regularly. Historic district chimneys in Long Grove are often pre-code with narrow flues and odd offsets, so a camera inspection tells us exactly what’s happening inside the liner and where the flex has shifted. We’ll shoot the video, show you the footage, and only recommend work the liner actually needs.
In Long Grove, it’s usually a combination of wet, sagging insulation on the upper liner and the kind of hard-burning, dense wood these estate lots produce. The insulation wets out in freeze-thaw cycles, the liner runs cold in spots, and creosote glazes exactly there. We remove it mechanically and inspect the insulation to tell you whether it needs to be replaced.
A properly installed DuraFlex multi-flue cap with a reinforced stainless screen will keep squirrels out. The key is the reinforced screen. Standard bug screens tear under snow load and animal pressure, and once there’s a rip, squirrels turn it into an entryway. We set the cap and re-torque the top plate screws, then check it as part of every sweep.
If the liner is sound, we repoint and leave it alone. A lot of Long Grove chimneys need masonry work at the crown and shoulder joints while the DuraFlex liner inside is still in fine shape. Replacing a good liner because the brick needs repointing is exactly the kind of upsell we don’t do. Call (844) 660-6510 and we’ll tell you what the liner actually looks like on camera.
Service Areas Near Long Grove
We handle DuraFlex service throughout the Long Grove area and the surrounding villages. Homeowners in Schaumburg, Hoffman Estates, Roselle, Hanover Park, and Medinah call us for the same level of DuraFlex inspection and cleaning we do in Long Grove. For DuraFlex work further south, see DuraFlex service in Villa Park. To the east, check DuraFlex service in Lombard.
Book Your DuraFlex Service in Long Grove Today
We schedule Long Grove DuraFlex sweeps, inspections, and cap replacements by phone at (844) 660-6510, and we offer the same Kildeer DuraFlex service for homeowners just north of here. Tell us what you’re seeing, and we’ll tell you what it actually means. Estimates are free, and we’ll show you the footage before any recommendation comes out of our mouths.
Written by Rob Szymanowski, Owner at Duke Chimney Sweep, serving Long Grove since the company’s founding.