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 | Santa Ana Chimney Sweep
We provide independent DuraFlex chimney cleaning, inspection, and repair across Lennox, CA (90304). What makes our work here different is simple: in this post-war housing stock, a DuraFlex liner is usually running through a 60-year-old clay tile flue that’s cracking from marine-layer moisture, not heavy creosote. We clean and video-scan with that reality in mind. Call (855) 341-9658 for a free estimate from a crew that knows DuraFlex components by diameter, alloy, and failure point.

Why Lennox Residents Choose Us for DuraFlex Service
Most chimney sweeps can run a brush. Far fewer can tell you whether the top plate on your DuraFlex liner is sealed correctly, or whether the insulation wrap has pulled away from a joint. We can, because we’ve spent years working on DuraFlex stainless flex liner kits in Lennox’s tight-lot ranch homes and single-story stucco houses. Allen Becerra grew up around Orange County’s older masonry fireplaces and learned building trades hands-on at Santiago Canyon College, where he got a feel for how structures age and where they fail. That’s the lens we bring to every Lennox job: inspect for moisture damage first, clean second, and recommend repair only when a video scan shows it’s actually needed. We fit genuine DuraFlex components wherever dimensions and alloy match the existing install.
If you’re looking for DuraFlex sales & service knowledge combined with local Lennox conditions, we’re the independent crew that treats your liner like a system, not just a pipe to sweep.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Lennox
- Creosote glaze on the corrugated inner wall. DuraFlex liners have a ribbed interior that catches soot and creosote more readily than smooth clay tile. In Lennox, where fireplaces see only a handful of burns a year, the buildup is often thin but sticky, and a quick look-down from the roof misses it. We brush and inspect the full inner circumference.
- Top plate and cap corrosion from marine air. Lennox sits inside a persistent marine layer. The chimney crown, cap base, and top plate stay damp for months at a time. We regularly find the cap base rusted through and the top plate bolts loose, letting water run down the outside of the liner.
- Liner joint separation behind cracked clay tile. Many Lennox homes built in the 1940s and 1950s still have original clay tile flues around an installed DuraFlex liner. When that tile spalls and shifts, the liner joint can open up. A Level 2 video scan shows it, even when the firebox looks fine.
- Damper and firebox rust migrating to the liner connection. Cool, damp mornings accelerate rust on dampers and firebox faces. Where a DuraFlex liner connects to the firebox through a deteriorated masonry base, that connection loosens and leaks.
- Insulation wrap degradation on older DuraFlex kits. Exterior-installed or unlined-chase DuraFlex setups can lose their insulation wrap over time, especially with Lennox’s humidity cycles. We check for wrap separation at every service.
DuraFlex Service in Lennox: What Local Conditions Mean for Your Equipment
Lennox is a small, densely packed unincorporated pocket of Los Angeles County where most homes are older ranch-style houses built between the 1940s and 1960s, and many still have their original brick masonry fireplaces with clay tile liners. Because the area sits directly under the flight path of LAX and experiences mild but persistent marine air, chimney sweeps here spend more time dealing with moisture-driven spalling and cracked flue tiles than with heavy creosote from constant burning. For DuraFlex owners, that means the liner itself isn’t the weak point at first. The weak points are the top plate, the cap, and the connection to a deteriorating clay tile housing. We plan our Lennox sweeps around moisture damage first: reseal the top, confirm the liner joints are intact on camera, then clean the inner wall. A generic DuraFlex service call that skips the video scan will miss exactly the problems our Lennox climate creates. That’s what we mean when we say we match the service to the postal code, not just to the brand.
On a tight-lot ranch home off 104th Street in Lennox, our crew ran a Level 2 video scan and found a hairline crack in the original clay tile housing a DuraFlex flex liner. The crack was invisible from the firebox but clear on camera. The cap base was rusted from marine air. We resealed the top plate, installed a new cap, re-wrapped and secured the liner joint, and swept light soot from the corrugated inner wall. The homeowner now has a dry, sealed flue instead of a slow leak behind the liner.
DuraFlex Models & Products We Service in Lennox
We service the full range of DuraFlex chimney products installed in Lennox homes: Stainless Steel Flex Chimney Liner Kits in both 316L and 304L alloy, Insulated Flex Liner Kits for wood-burning fireplaces, Round and Oval Flexible Flue Liners, and Chimney Cap and Top Plate components. When a part needs replacing, we fit genuine DuraFlex components where the diameter, alloy, and insulation rating match the existing install. If a specific DuraFlex part is discontinued or not available locally, we source quality aftermarket stainless and insulation rather than making a homeowner wait or cutting corners. We repair when the liner, joints, and insulation are sound. We recommend replacement only when a video scan shows wall thinning, joint separation, or a cracked tile housing the liner.
See the difference
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AfterDuraFlex Service Pricing in Lennox
DuraFlex chimney cleaning in Lennox typically runs between $180 and $340, depending on liner diameter, creosote stage, and whether cap or top-plate work is needed. A Level 2 video inspection adds $80 to $160 and is the single best way to confirm what’s actually happening inside the liner. Cap replacement with a genuine DuraFlex component usually runs $150 to $300 installed. Insulated liner kits and full relining jobs vary widely by height and access, so we quote those after a site visit. Your free estimate includes a written, line-item price before any work begins, and we’ll show you the camera footage that justifies any repair recommendation. Call (855) 341-9658 for an exact quote.

Serving Lennox, CA — Our Local Coverage Area
We’re based in the Lennox 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 Lennox
The 316L and 304L stainless in a DuraFlex liner resists rust well, but the marine layer attacks the components around it: the cap base, the top plate bolts, and the masonry connection point. Over years of damp mornings, those fail first. We check them every visit.
Because the liner usually runs through a clay tile flue that’s 60 to 80 years old and may be cracking from spalling mortar, even if the firebox looks fine. A video scan shows joint separation, tile shift, and hidden moisture entry that a visual inspection from either end misses. In Lennox, that’s the difference between a working liner and a slow leak.
In our experience, corrosion and moisture damage are the bigger concerns. Lennox fireplaces see only occasional use, so creosote buildup is usually light. The persistent marine layer is what eats caps, rusts dampers, and spalls the clay tile around the liner. Plan your maintenance around the moisture.
Yes. If the liner body and joints are sound on video, a new cap and top plate reseal solve the problem. We only recommend a full liner replacement when the camera shows wall thinning or joint separation.
A properly installed and sealed DuraFlex liner contains a flue fire far better than a cracked clay tile flue. But in Lennox, where homes sit close together, that protection depends on the cap, joints, and clay tile housing staying intact. That’s why we treat the whole system, not just the liner. For a free inspection, call (855) 341-9658.
Service Areas Near Lennox
Our DuraFlex service from Lennox extends across the nearby South Bay and Southeast LA County communities. We regularly work in Lennox service area and neighboring cities including Inglewood, Hawthorne, Lawndale, and Gardena. For homeowners further out, we also provide DuraFlex service in Sunnyslope and DuraFlex service in Lakeland Village.
Book Your DuraFlex Service in Lennox Today
A clean flue isn’t a luxury – it’s what separates a working fireplace from a fire hazard. Call (855) 341-9658 and we’ll schedule your DuraFlex chimney cleaning in Lennox, usually within days. Same-week appointments are available in fall and early winter.
Written by Allen Becerra, Owner at Santa Ana Chimney Sweep, serving Lennox and surrounding communities.