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 Lennox, CA | Glendale Chimney Sweep
We provide independent DuraFlex chimney cleaning and service throughout Lennox, CA, with a focus on the top-down failures specific to this area: cap corrosion, top-plate gaps, and moisture intrusion in flues that sit idle most of the year. The one thing that makes our DuraFlex work different here is that we inspect from the top down first, because in Lennox, that’s where the damage actually starts. Call (833) 467-6493 for a free estimate, and we’ll tell you plainly what your liner needs. Glendale Chimney Sweep is an independent service provider, not a DuraFlex affiliate or authorized factory rep.
Why Lennox Residents Choose Us for DuraFlex Service
Most Lennox homes were built between the 1940s and 1960s, and a lot of them still have their original brick fireplaces and clay-tile flues. When those flues get retrofitted, DuraFlex is a common choice because the flexible stainless sections handle offset masonry better than rigid pipe ever could. We’ve installed, relined, and serviced DuraFlex Flexi-Liner and ProFlex systems across Lennox, Del Aire, and the South Bay basin long enough to know how their interlocking flue sections, twist-lock caps, and support brackets hold up in real houses here, not just in a catalog.
Noel Tarkanian, our owner, learned the diagnostic side of this trade through HVAC and sheet metal training at Glendale Community College before narrowing his work to chimneys. He’s spent well over a decade inspecting and cleaning flues throughout the greater LA area, and his approach is the same one we bring to every Lennox job: find what’s actually wrong, show you the evidence, and don’t sell a reline when a cap and top plate will fix it. We work only with DuraFlex-branded liners and caps on these systems, and we name the components we’re installing because that’s the kind of transparency a homeowner should get. We also work within a curated roster of other professional chimney-industry brands – HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield – which means when a DuraFlex liner isn’t the right repair, we can offer a real alternative instead of a shrug.
For more on how we handle these systems, see our DuraFlex sales & service page.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Lennox
When a DuraFlex system in Lennox isn’t working right, the issue is rarely a heavy-creosote chimney fire waiting to happen. It’s usually something at the top or in the joints, caused by the years of idle time and coastal air. These are the five failures we see most often:
- Flex liner sections separating at interlocking joints. In Lennox homes where fireplaces are ornamental, moisture-laden air sits in the flue for months. Stainless steel is corrosion-resistant, but the mechanical joints between flex sections can loosen and pull apart when the liner sees repeated expansion and contraction cycles without a fire ever fully drying it out.
- Corrosion and pitting on the top plate and cap. Near LAX, the marine layer and rain-soaked debris do real work on exposed metal. We routinely find DuraFlex top plates and caps with pitting and rust where bird nests and damp leaves sat against the steel for multiple winters.
- Crushed or rusted-out cap screens. Lennox has a lot of mature trees for such a dense area, and birds find their way into unused flues through torn or rusted DuraFlex screens. Once the screen fails, the nest material and debris fall inside, and the next time someone tries to light a fire, the smoke has nowhere to go but back into the living room.
- Liner-to-damper and top-plate connections loosening on original clay-tile flues. Many 1950s Lennox chimneys still have their original clay liners, which settle and crack over decades. A DuraFlex flex liner was likely installed to bypass that older liner, but the connections at the damper and top plate can work loose as the masonry shifts, leaving gaps the liner can’t seal.
- Downdraft smoke complaints that turn out to be clogged flues. This is the one we see most in Lennox: a homeowner calls us because the fireplace smokes on the rare night they light it, and the culprit is a blocked or crown-cracked flue at the top of the chimney, not a fire problem in the firebox.
DuraFlex Service in Lennox: What Local Conditions Mean for Your Equipment
Here’s the thing about Lennox that generic DuraFlex guides never mention: because this is a small, densely packed unincorporated LA County pocket where fireplaces are ornamental more than essential, the DuraFlex liners we inspect here fail from the top down. Rain, bird nests, and moisture at the cap and top plate do the damage long before heavy creosote ever becomes a factor. That flips the usual inspection priority. In Hawthorne and most cities, the first thing a sweep looks at is the firebox and the lower flue for creosote buildup. In Lennox, we start at the roof line and work down. The 90304 grid is full of mid-century stucco tract homes and low-rise apartment buildings with original clay-tile flues, and those flues sit unused for years, trapping whatever the LAX-area wind and rain push into them. On one mid-century stucco tract house off the 90304 grid, our tech pulled a DuraFlex cap whose screen was rusted through and packed with an old bird nest, and the homeowner’s smoky fireplace complaint traced straight to a blocked, downdrafting flue. We cleared the debris, ran a Level 2 inspection, and swapped in a new DuraFlex cap and top plate. No fire problem at all, just a capped-and-clogged flue. That’s the Lennox pattern in a sentence.
DuraFlex Models & Products We Service in Lennox
We service the full DuraFlex product range you’re likely to find in Lennox homes, including Flexi-Liner stainless steel chimney liner kits, ProFlex flexible stainless relining kits, rigid stainless chimney liner sections, and stainless multi-flue and custom chimney caps. When a component needs replacement, we use genuine DuraFlex parts – caps, top plates, and liner sections – matched to the existing system so the assembly stays compatible. We’ll go to a quality aftermarket part only for incidental hardware where OEM stock isn’t practical, and we’ll tell you when we made that choice and why. Our trucks carry common DuraFlex caps, top plates, and connector hardware so service stays local and fast for Lennox and Inglewood homeowners. If the liner itself is sound, we repair or re-cap it. We recommend a full reline only when the liner is breached or the flue is beyond sealing.
See the difference
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AfterDuraFlex Service Pricing in Lennox
Chimney cleaning in Lennox typically runs between $180 and $340 for a standard sweep and Level 1 inspection. If the job requires a Level 2 camera inspection, cap replacement, or new top plate, the total will go up depending on what we find and what parts your system needs. A DuraFlex cap replacement in Lennox usually falls between $300 and $550 installed, depending on the cap size and whether the top plate also needs to be swapped. If a full reline is actually required, a DuraFlex stainless flex liner installation in this area generally ranges from $2,500 to $6,500, with the wide spread driven by chimney height, flue size, access difficulty on these tight Lennox lots, and how much of the original clay-tile flue has broken down. Every estimate we give is flat-priced and itemized before we start, and includes a camera inspection with a photo report you can see for yourself. Call (833) 467-6493 for an exact quote. Estimates are free.
Serving Lennox, CA — Our Local Coverage Area
We’re based in the Lennox area and know this community well, with El Segundo nearby. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in Lennox
No, you don’t need an annual sweep in the traditional sense if the fireplace is essentially unused, but you do need an annual inspection of the top of the chimney, because that’s where Lennox DuraFlex systems fail. Moisture, bird nesting, and cap corrosion accumulate in idle flues, and a light-use fireplace can hide a serious top-down problem for years. We recommend a visual and camera inspection every one to two years even if you never light a fire. Call (833) 467-6493 and we’ll help you figure out whether a full sweep is even necessary this year.
Yes, and in Lennox that’s often the right repair. If the DuraFlex liner is intact and the flue is still sound, a new DuraFlex cap and top plate will seal the top of the system and stop the moisture and debris that cause most downdraft and smoke complaints. We will not push a full reline when a cap replacement solves the problem. We recommend a full reline only when the liner is breached or the clay-tile flue behind it has cracked beyond sealing. Call (833) 467-6493 for a free estimate on a cap-and-top-plate replacement.
In Lennox, the answer is usually at the top of the chimney, not in the firebox. A rusted-out DuraFlex cap screen lets birds in, and the nest material plus rain-soaked debris plugs the flue. When the flue is blocked, the smoke from even a small fire has no way to draft up and out, so it pushes back into the room. A secondary cause is a cracked crown that lets water into the flue and degrades the liner joints over time. The fix is clearing the flue and replacing the failed DuraFlex components at the top. Call (833) 467-6493 and tell us what you’re seeing. We’ll find it fast.
Yes. DuraFlex flexible stainless liners were designed specifically for retrofit into existing masonry chimneys, including the clay-tile flues in Lennox’s original 1940s and 1950s homes. The flex sections snake through offset masonry that rigid stainless pipe can’t navigate, and the liner’s whole job is to create a continuous stainless path inside a deteriorating clay flue. What matters in Lennox is that the connections at the top plate and damper stay sealed, since these older clay flues settle and shift over time. If your connections have loosened, that’s a repair we handle regularly. Call (833) 467-6493 and we’ll assess your specific flue.
It does not damage the stainless steel in the way fire and creosote would, but it can damage the system around it. Idle flues in Lennox trap moisture, and that moisture accelerates corrosion at the cap and top plate connections, weakens the cap screen, and lets debris accumulate inside the liner. The liner itself may remain sound for decades, but the top-of-chimney components will need attention sooner than in a heavy-burn climate. A quick inspection tells us which parts need work. Call (833) 467-6493 and we’ll give you an honest read.
Service Areas Near Lennox
We serve Lennox and the surrounding South Bay and central LA communities, including DuraFlex service in West Athens and DuraFlex service in Willowbrook. We also cover Glendale, Silver Lake, Burbank, Echo Park, Hollywood, and La Cañada Flintridge. If your ZIP isn’t listed, call us and ask – we’re likely already working nearby. For more on the areas we cover, see our Lennox service area page.
Book Your DuraFlex Service in Lennox Today
A clean chimney isn’t a luxury – it’s just basic fire safety. If your Lennox home has a DuraFlex liner or cap that hasn’t been inspected in years, call (833) 467-6493 today. We’ll schedule your free estimate and walk you through exactly what we find, camera in hand. Same-week appointments are usually available across the 90304 ZIP.
Written by Noel Tarkanian, Owner at Glendale Chimney Sweep, serving Lennox and the surrounding South Bay communities.