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 West Town, IL | Sandstone Chimney Sweep
We provide independent DuraFlex chimney cleaning, inspection, and repair across West Town’s 60622, and the work here is shaped by one thing most other neighborhoods don’t deal with: coal-era party-wall stacks serving multiple units. Sandstone Chimney Sweep works on DuraFlex Pro liners, caps, and top plates daily, but the West Town twist is that most of these systems are buried inside shared masonry stacks from the 1880s through 1920s. So cleaning a DuraFlex liner here often means checking whether one unit’s flue is drafting into another’s. Call (833) 589-7835 for a free estimate on DuraFlex sales & service.
Why West Town Residents Choose Us for DuraFlex Service
Norm Sobieski grew up in Albany Park and came up through the HVAC and building systems program at Truman College, so he learned early that a flue is a system, not just a pipe. That training shaped how we approach DuraFlex repair in East Garfield Park and throughout West Town. We don’t show up with a brush and leave. We check the liner, the top plate, the cap fasteners, and the appliance adapters, because in a three-flat off Division Street, a loose cap on one flue means water tracking down into a neighbor’s masonry. We find it, we fix it.
We’re also independent, which matters with DuraFlex service in Logan Square and across Chicago. We’re not a manufacturer rep or an authorized dealer. We stock genuine DuraFlex Pro components because they fit correctly and keep the UL listing intact, but when a DuraFlex cap isn’t available in the right multi-flue footprint, we’ll say so and use a quality aftermarket stainless option instead. The recommendation follows what your West Town flue actually needs, not a sales target.
Our customers tend to be homeowners who use their fireplaces regularly or own a multi-unit building where gas furnaces and water heaters share a stack. They want an honest read on what the liner is doing and what it isn’t. We’re built for that conversation.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in West Town
Here’s what we typically find when we get called out for DuraFlex service in West Town:
- Crushed or kinked flexible liners at the smoke-chamber transition. This is the most West Town-specific failure we see. The original flues on these 1880s to 1920s brick two- and three-flats were built for coal, then crudely retrofitted for gas. When someone forced a furnace tie-in years ago, the liner got kinked. That restriction chokes draft on gas-fired furnaces and can push flue gas back into the basement unit. We’ve pulled more than one kinked section out of a shared West Town stack.
- Top-plate and cap fasteners corroded loose. Chicago’s wind-driven rain and snow off the lake hammer the roofline all winter. On West Town’s flat and low-slope roofs, stainless fasteners on DuraFlex caps can work loose over repeated freeze-thaw cycles, and once they do, water tracks down the liner annulus into the masonry. By spring, you’ve got a stained ceiling or a crumbling crown.
- Liner-to-appliance adapter seals failing at the boot. In a three-flat, the furnace or water heater adapter is where flue gas can spill into a shared stack if the seal fails. It’s dangerous because you may not smell it in your own unit. The neighboring unit gets the backdraft. We check every adapter during a cleaning, not just the liner walls.
- Stainless liner joints separating after condensing-service exposure. When a furnace was upsized without re-sizing the liner, the smaller liner runs cooler and the flue gases condense inside. Years of that acidic condensation degrades the factory insulation wrap and can separate joints. We see this on West Town buildings where the boiler or furnace has been changed twice since the original install.
- Undersized liners on gas conversions. Many West Town buildings converted from coal to gas decades ago and never relined. When someone later dropped in a DuraFlex liner, they sometimes picked a size that matched the old flue, not the new appliance. That’s an honest mistake, but it drafts poorly and shortens liner life. We check size against the appliance plate during every Level 2 inspection.
DuraFlex Service in West Town: What Local Conditions Mean for Your Equipment
There’s a fact about West Town that shapes more of our DuraFlex work than anything else: the party-wall stacks serving these 1880s to 1920s two- and three-flats were built with coal-era flues that now feed several gas furnaces and water heaters, often with no liner separating the units. That means what looks like a simple DuraFlex in Lincoln Park or West Town chimney cleaning on one unit is often really a multi-unit flue-separation question. The classic call is a three-flat where the basement furnace backdrafts into the neighboring unit’s flue because the shared stack’s original flues were never properly separated or relined. A detached single-family home in the suburbs doesn’t have this failure mode. In West Town, it’s routine. So when we clean a DuraFlex liner here, we’re also checking whether each flue in that stack drafts independently. That’s not an upsell. That’s the actual job. And the dense alley-and-gangway layout means we’re often scaffolding between buildings just to reach the cap, which isn’t a concern on wider lots. Every West Town job starts with access and ends with verifying draft on every appliance sharing the stack.
DuraFlex Models & Products We Service in West Town
We work on the full DuraFlex Pro line: Flexible Stainless Chimney Liner, Rigid Stainless Pipe, Insulated Flexible Liner, and Caps and Top Plates in stainless multi-flue configurations. When a liner section is repairable, we fit genuine DuraFlex Pro components so the UL listing and any remaining warranty stay intact. When the liner is crushed or undersized, we tell you plainly it’s a replace, not a repair. We stock common DuraFlex Pro liner diameters, adapters, and top plates locally for faster West Town turnaround, so we’re not waiting on a distributor for routine cap replacement or a short reline. For masonry work beyond the liner, we do Level 2 inspections, cap replacement, and chimney rebuilding in-house. Your flue is a system, not just a pipe, and we handle the whole thing.
See the difference
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AfterDuraFlex Service Pricing in West Town
DuraFlex chimney cleaning in West Town typically runs between $180 and $340 for a standard sweep and inspection, depending on the number of flues and appliance tie-ins on the stack. A Level 2 inspection adds detail and runs higher because we’re camera-scoping the liner and checking adapters and top plates. Cap replacement with genuine DuraFlex stainless components is usually in the $250 to $450 range, including the top plate when needed. If the liner is crushed, kinked, or undersized, relining with DuraFlex Pro insulated flexible liner starts around $1,800 and goes up based on height, flue count, and access. On a West Town three-flat, access and scaffolding between buildings adds labor that a suburban house doesn’t carry. Every job starts with a free estimate that includes the camera findings and a photo report. Nothing is recommended without evidence you can see for yourself. Call (833) 589-7835 for an exact quote.
Serving West Town, IL — Our Local Coverage Area
We’re based in the West Town 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 West Town
My West Town three-flat has one shared chimney stack – can you reline just my flue?
Yes, you can reline one flue in a shared stack, and that’s common in West Town. The work involves dropping a DuraFlex liner down your specific flue while leaving the neighboring flues untouched. However, the inspection usually reveals that the other flues in the same stack need attention too, because the original coal-era flues were never separated. We’ll give you an honest read on what’s yours, what’s shared, and what can wait. Call (833) 589-7835 for a free estimate.
Why does my DuraFlex cap keep coming loose on my West Town roof?
The most likely cause is the freeze-thaw cycle working on the fasteners and the top plate seal. Wind-driven rain and snow off the lake hammer West Town roofs all winter, and over repeated freeze-thaw swings, stainless cap fasteners can back out. We replace the fasteners with the correct size and re-seat the top plate, and if the plate is warped, we replace it with a genuine DuraFlex Pro top plate. Call (833) 589-7835 and we’ll check it before the next big storm.
Is a crushed flexible liner really a safety issue or just poor draft?
It’s both, and the safety side is the bigger concern in West Town. A crushed or kinked liner restricts draft, which means flue gas doesn’t leave efficiently. In a shared stack, that gas can backdraft into a neighboring unit, where the occupant may not have a working carbon monoxide detector. Poor draft is the symptom. Cross-unit flue gas is the risk. We treat a crushed liner as a replace, not a repair.
How often should a gas-fired West Town three-flat have its liner inspected?
Annually, same as a cleaning. The National Fire Protection Association recommends a yearly inspection regardless of fuel type. For West Town buildings with multiple gas appliances sharing a coal-era stack, that yearly check matters more, because adapter seals and cap fasteners fail gradually. If you run the furnace hard through a cold winter, spring is the right time to book. Call (833) 589-7835 and we’ll schedule it before heating season ends.
Do you tear down and rebuild masonry, or can you reline and waterproof instead?
Both. We do chimney rebuilding when the brick above the roofline is spalled or the crown is gone, and we reline with DuraFlex Pro when the flue is the problem. Waterproofing is usually part of a rebuild, not a substitute for structural repair. On West Town’s brick two- and three-flats, the crown and flashing are the first things the lake weather breaks, so we often rebuild the top few courses and then drop in a fresh liner. We’ll show you the camera footage and let you decide with real evidence in hand. Call (833) 589-7835 for a free estimate.
Service Areas Near West Town
We cover West Town and the surrounding neighborhoods, including West Town service area, Near North Side, Lincoln Park, and the Chicago Loop. For DuraFlex work further out, see DuraFlex service in Near South Side or DuraFlex service in Chicago.
Book Your DuraFlex Service in West Town Today
If your West Town chimney has a DuraFlex liner that hasn’t been looked at in a while, or you’re in a three-flat with a shared stack and you’re not sure which flue is yours, call us. We’ll schedule a free estimate, run the camera, and show you exactly what the liner and cap are doing. Call (833) 589-7835. A clean flue isn’t a luxury – it’s just what a working fireplace requires.
Written by Norm Sobieski, Owner at Sandstone Chimney Sweep, serving West Town and the surrounding Chicago neighborhoods.