Sweep & inspection
Caps & crowns
Masonry repairLevel 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 Yonkers, NY | Hadley Chimney Yonkers
Our Yonkers Chimney Sweep team provides independent DuraFlex chimney cleaning and repair across Yonkers, from the Park Hill walk-ups to the hillside streets above the Hudson. What makes our DuraFlex work here different is simple: we’ve cleaned and inspected hundreds of these liners inside Yonkers’ pre-war, coal-era flues, and we know exactly how their joints, terminations, and flex patterns behave under local soot and freeze-thaw loads. Call (914) 233-3156 for a free estimate.
Hadley Chimney Yonkers is an independent DuraFlex service provider. We’re not manufacturer-affiliated or authorized, and we’ll never pretend otherwise. What we are is intimately familiar with how DuraFlex 316L, 304, Pro, and AL liners perform in the tight, shallow flues that define so much of Yonkers’ housing stock.
Why Yonkers Residents Choose Us for DuraFlex Service
Cory Mitchell, who leads our Yonkers crew, picked up his trade skills at Los Angeles Trade-Technical College before building a career around something most homeowners never think about until smoke starts backing up into their living room. He and the team have spent several years working in Yonkers specifically, doing everything from routine creosote sweeps to full liner inspections up near Greystone. Cory’s approach hasn’t changed since day one: show up on time, text photos straight from inside the firebox so you actually understand what you’re paying for, and never recommend a repair that isn’t genuinely needed.
We stock genuine DuraFlex termination caps, couplers, storm collars, and support brackets for fast turnaround across Yonkers. When you book, you get a written price before anyone touches your chimney, live arrival tracking, and before-and-after photo documentation of every job. Our 365-Day Done Right Promise means if a repair fails within a year, we come back and fix it free. No fine print, no upsell.
Styles & brands we work with



Common DuraFlex Chimney Cleaning Problems We Solve in Yonkers
- Hardened creosote packed into corrugation valleys. DuraFlex liners have a ribbed profile that hides buildup behind the smooth-looking surface. Yonkers’ humid summers worsen creosote in seldom-used fireplaces, and by fall, those valleys can be packed with sugary, flammable deposits a basic brush pass won’t touch.
- Torn or kinked flex sections near tight bends. Many Yonkers chimneys were built for coal, not modern stainless liners. When a DuraFlex liner gets forced around a sharp offset in a shallow shared-party wall, the flex section can kink or tear. We see this most often in the three-story walk-ups off South Broadway in Getty Square.
- Termination cap screws backing out after nor’easters. Yonkers takes repeated wind gusts off the Hudson. Over time, those gusts work cap screws loose, letting rain straight down the flue. A loose cap on a DuraFlex liner means water sitting on top of creosote, which turns acidic and accelerates liner pitting.
- Condensation pitting on the inner wall. In Yonkers homes where the fireplace gets lit maybe three or four times a winter, the flue never gets hot enough to dry out. Humid summer air condenses inside the liner and pits the stainless over repeated seasons. A camera scan shows it clearly before it becomes a perforation.
- Improper fit in coal-era flues. Park Hill and Getty Square have original flues as narrow as 4.5 inches. A DuraFlex liner that wasn’t ovalized or upsized correctly will rub, pinch, or collapse at the offsets. We find these issues during cleaning and catch them before they become carbon monoxide problems.
DuraFlex Service in Yonkers: What Local Conditions Mean for Your Equipment
Here’s the thing about Yonkers that gets missed on generic chimney pages: the dense mix of early-1900s wood-frame and brick row houses on steep hillsides means many chimneys have shallow, shared-party walls and tight access. Pull a liner inspection up near Greystone or through the Getty Square corridor, and you’ll see the same pattern: coal-era flues that were built for a completely different appliance, often only 4 to 5 inches in diameter, with hidden offsets a brush alone would miss.
In Park Hill, many three-story walk-ups still use their original coal-era chimneys, which lack proper caps and have narrow flues. For a DuraFlex liner, that means the install had to be ovalized to fit existing clay tiles, and every flex joint becomes a stress point. Before we clean a DuraFlex liner in these buildings, we run a camera scan. Not because we’re upselling, but because a liner that looks fine from the top can be kinked at a 45-degree offset three stories down. We’ve pulled liners from Getty Square flues that had 3/4-inch of sugary creosote in the flex bays, hidden behind smooth walls. A brush alone would have left all of it.
That’s the local reality. DuraFlex liners in Yonkers don’t behave like liners in flat, newer suburbs. Freeze-thaw cycles stress the termination hardware. Nor’easter gusts work the cap screws. And the coal-era flues themselves dictate what can actually be cleaned versus what needs to be repaired. Understanding that difference is what keeps Yonkers chimneys safe.
DuraFlex Models & Products We Service in Yonkers
We service every DuraFlex line commonly installed in Yonkers: the 316L alloy (the standard for wood-burning and coal flues), the 304 (common in gas and oil venting), DuraFlex Pro, and DuraFlex AL for aluminum applications. We use genuine DuraFlex termination caps, couplers, and support brackets when a liner repair is isolated and the rest of the system is sound. When a Yonkers liner is crushed, torn in multiple bays, or sized wrong for a coal-era flue, we recommend a full replacement rather than patching.
We carry common DuraFlex parts locally for fast Yonkers turnaround, which means less waiting when a coupler fails or a storm collar needs replacing. For full DuraFlex sales & service, our team handles everything from Level 2 inspections to complete relining.
See the difference
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AfterDuraFlex Service Pricing in Yonkers
Chimney sweeps in Yonkers typically run $180 to $340, depending on flue access and how much creosote has built up. DuraFlex-specific work runs higher when it involves a camera scan, cap replacement, or coupler repair. A Level 2 inspection with a full camera scan generally lands between $250 and $450 in this market. Cap replacement on a DuraFlex termination starts around $150 to $300 including parts. Full liner replacement in a Yonkers coal-era flue, with ovalization work, runs $2,800 to $5,500 depending on height and access.
Every estimate we give in Yonkers is free, written, and locked before work starts. You’ll see exactly what the camera found, what we recommend, and what it costs. No surprise charges at the door. Call (914) 233-3156 for an exact quote on your DuraFlex liner.
Serving Yonkers, NY - Our Local Coverage Area
We’re based in the Yonkers 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 Yonkers
A camera scan catches what a brush can’t: kinked flex sections, liner damage at the offsets, and creosote packed into corrugation valleys. Yonkers’ coal-era flues have hidden bends, and roof settlement on hillside homes shifts liner position over time. We run the scan before cleaning so we know exactly what we’re working with. If the scan shows a problem, you’ll see it in the photos too. Call (914) 233-3156 to book a DuraFlex inspection with camera documentation.
Sometimes, yes. If the cap is in good shape and the flue is straight enough to run a brush safely, we clean without pulling hardware. But in Park Hill’s older flues, we often need to remove the cap to inspect the termination and check for backed-out screws from nor’easter winds. We’ll tell you upfront what the job requires. The estimate is free, either way.
Once a year, even with light use. Yonkers’ humid summers cause creosote to absorb moisture and harden, and infrequent winter fires don’t burn it off. A liner that gets lit three times a season can still be carrying half an inch of hardened creosote by November. Annual sweeps keep the flue safe and catch small liner issues before they become expensive repairs.
It depends on where the tear is and whether the rest of the liner is sound. A single small tear near a coupling can often be repaired with a genuine DuraFlex coupler. But if the liner is torn in multiple bays, crushed at an offset, or was sized wrong for your flue from the start, patchwork buys you little. We’ll show you the camera footage and let you decide. We never recommend replacement unless the evidence is right there in front of you.
Yes, we service DuraFlex liners installed by other companies throughout Yonkers. A professional cleaning from an independent provider will not void a DuraFlex warranty, provided the cleaning is done with appropriate tools and no damage occurs. We document the liner’s condition before and after every sweep with photos, so if a warranty question ever comes up, you have a record. Call (914) 233-3156 and we’ll walk you through what to expect.
Service Areas Near Yonkers
Our DuraFlex service covers all of Yonkers, including Park Hill, Getty Square, Greystone, and the hillside streets above the Hudson. We also serve DuraFlex service in City Island, DuraFlex service in Mount Vernon, Riverdale, and New Rochelle. If you’re in one of the surrounding neighborhoods, check our Yonkers service area page for full coverage details and scheduling.
Book Your DuraFlex Service in Yonkers Today
We answer calls live, 24/7. No voicemail loops, no callback queue. Tell us what’s going on with your DuraFlex liner, and we’ll schedule a tracked arrival window that works for you. Call (914) 233-3156 for a free estimate on any DuraFlex chimney cleaning in Yonkers.
Written by Cory Mitchell, Owner at Hadley Chimney Yonkers, serving Yonkers and surrounding communities since 2003.