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 | Firebrick Chimney Sweep
Firebrick Chimney Sweep provides independent DuraFlex chimney cleaning, inspection, and repair across Lennox, including the 90304 ZIP. We’re not a DuraFlex-authorized shop; we’re a full-service chimney company that works on these stainless systems every week and knows how Lennox’s damp marine air shortens their life. If your DuraFlex liner or cap is failing on a pre-war stucco house off Lennox Boulevard, we can diagnose it, sweep it, and fix it without sending you to a second contractor. Call (866) 520-4943 for a free estimate. We sweep it, we repair it. One company, no referrals.
Why Lennox Residents Choose Us for DuraFlex Service
Most chimney companies in this part of LA County can sweep a flue. Fewer understand what’s actually happening inside a DuraFlex stainless liner that’s been sitting in Lennox fog for fifteen years. We do. DuraFlex sales & service is a core part of our work because these systems are everywhere in Lennox’s 1920s – 1950s housing stock, and they fail in predictable ways when the marine layer does its thing.
Nelson Quijada, our owner, learned mechanics and construction at Los Angeles Trade-Technical College before spending two decades focused on flue systems and firebox masonry. He grew up off Cahuenga Boulevard and has worked on the same kind of hillside and bungalow chimneys his whole career. His own house has a wood-burning fireplace he uses every winter, which is probably why he takes creosote buildup a little more personally than most people would. We stock OEM DuraFlex liner sections, joint bands, top plates, and caps for fast turnaround in Lennox, and when a part isn’t worth replacing, we tell you that plainly.
Styles & brands we work with
Common DuraFlex Chimney Cleaning Problems We Solve in Lennox
DuraFlex systems are well-built, but Lennox’s climate and housing patterns create a specific set of recurring failures. Here’s what we actually see:
- Condensate corrosion at liner seams and joints. Lennox’s coastal-basin marine layer keeps moisture in the air most of the year. When fireplaces get light, sporadic use, acidic condensate sits against the stainless instead of flashing off, pitting seams and weakening weld points. We find this on DuraFlex SS flexible relining kits more than almost any other failure.
- Failed top plates and rain caps. Fog-driven water seeps past rusted top plates, runs down the DuraFlex liner, and rusts the appliance collar and connector at the firebox. On tight-lot Lennox bungalows, this often goes unnoticed until the damper seizes or the firebox smells like wet rust.
- Pulled fasteners and joint gaps after a sweep. Older DuraFlex joint bands lose tension over time, especially on rental properties where nobody’s touched the system in decades. A thorough chimney cleaning can disturb a liner that was barely holding together, revealing gaps at the connector transition.
- Rusted or seized dampers. The damp marine air in Lennox attacks damper assemblies, and we often find them frozen open or shut on DuraFlex factory-built systems. An open damper lets cold, damp air pour down the flue between fires.
- Compromised insulation wraps on insulated DuraFlex kits. Deferred maintenance in rental units off Lennox Boulevard means insulation wraps get soaked, torn, or missing entirely. An uninsulated DuraFlex liner in a tight masonry chase drafts worse and condenses more.
DuraFlex Service in Lennox: What Local Conditions Mean for Your Equipment
Here’s something specific to Lennox that a generic DuraFlex page won’t tell you. Because Lennox is an unincorporated LA County island, chimney work here follows LA County Fire/Public Works clearance rules rather than a city building department. On the blocks off Lennox Boulevard, that changes how a reline or rebuild gets documented. Inglewood and Hawthorne contractors work under city codes; we work under county clearances, which means our inspections and repair paperwork look different and get reviewed differently. If you’ve got a DuraFlex liner that needs a cap replacement, joint reseat, or full reline, the county wants specific clearance documentation. We handle that paperwork the way LA County expects, because we do it here every week. On a recent job off Lennox Boulevard, we opened up a 1940s stucco bungalow’s firebox and found the DuraFlex flexible liner’s top plate rusted through from years of marine-layer fog, with water tracking down to a heavily creosote-glazed flue that hadn’t been swept since the property went rental. We swept out the glazed creosote, replaced the failed DuraFlex top plate and rain cap with an OEM cap, reseated the liner joints, and documented the clearances to county rules before signing off. That’s the standard we hold in Lennox.
DuraFlex Models & Products We Service in Lennox
We work on the full DuraFlex lineup: DuraFlex SS flexible stainless relining kits, both insulated and uninsulated; DuraFlex Pro double-wall factory-built chimney sections; DuraFlex rigid stainless chimney liner lengths; and DuraFlex chimney caps, top plates, and rain-cap assemblies. Our parts approach is simple: we use OEM DuraFlex liner sections, joint bands, top plates, and caps when they’re available and cost-effective, and quality aftermarket stainless components only where fit and rating allow. If your DuraFlex liner is sound, we clean, reseat, and re-cap it. If seams are corroded through or the flue is compromised, we recommend relining rather than patching a failing liner. That’s not an upsell; it’s the difference between a one-season fix and a ten-year fix.
See the difference
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AfterDuraFlex Service Pricing in Lennox
Chimney sweeping in Lennox for a DuraFlex-lined fireplace typically runs $180 – $340, depending on creosote condition, liner length, and whether we’re also doing a Level 2 inspection. Cap replacement adds $95 – $265 for the part and labor, with OEM DuraFlex caps at the higher end. A full Level 2 inspection on a DuraFlex system runs $250 – $600 depending on access and scope; when you suspect hidden corrosion around the connector or top plate, that inspection is the only way to know for sure. Glazed creosote removal adds $75 – $250 when chemical treatment is required. We quote a flat price before we book, so there’s no surprise on the invoice. Call (866) 520-4943 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. 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 rust you’re seeing is almost always a failed top plate or rain cap, not the liner itself. Lennox’s marine layer drives fog-driven moisture against the top-plate assembly for months at a time, and once the plate perforates, water tracks down the liner and rusts the collar and connector. We replace the failed DuraFlex cap with an OEM or rated aftermarket cap, reset the top plate, and the liner usually stays dry after that.
Not always, but we recommend one on any DuraFlex system in Lennox that hasn’t been inspected in five years or has visible rust, water staining, or a seized damper. A Level 2 inspection uses a camera to check seam integrity, joint-band tension, and clearances, so we can sweep without accidentally disturbing a liner that’s about to let go. It’s the difference between cleaning a flue and understanding what’s actually happening inside it. Call (866) 520-4943 to schedule one.
Light, sporadic fireplace use in Lennox’s damp climate often produces glazed creosote that has hardened and sat rather than burned off. Standard sweeping won’t touch glaze. We use rotary brushes and, when needed, a creosote treatment that breaks down the glaze over a few days so it can be removed cleanly without damaging the stainless liner.
That old, crusted soot from the oil-burner days is common in Lennox chimneys that predate conversion to gas or wood. It sits inside the flue and clings to the liner walls, restricting draft and holding moisture against the stainless. We can remove it and inspect the liner underneath. If the liner was installed over that old soot without proper prep, we’ll find that too.
Yes. Because Lennox is unincorporated LA County, relines and rebuilds follow LA County Fire/Public Works clearance rules rather than a city building department. We document clearances, prepare the paperwork the county expects, and make sure your DuraFlex reline or cap replacement is signed off properly. Call (866) 520-4943 and we’ll walk through what your specific job will require.
Service Areas Near Lennox
We serve Lennox and the surrounding LA neighborhoods, including Lennox service area coverage across 90304. Our DuraFlex work also takes us into DuraFlex service in Maywood, DuraFlex service in Shadow Hills, Culver City, View Park-Windsor Hills, and Westwood. If your fireplace is in a pre-war stucco house near the county line, we’re already working on chimneys just like yours.
Book Your DuraFlex Service in Lennox Today
If your DuraFlex liner, cap, or flue needs attention in Lennox, call (866) 520-4943 for a free estimate. We’ll tell you what’s wrong, what it costs, and whether it can wait. Chimney work is all we do, and that depth shows in every inspection.
Written by Nelson Quijada, Owner at Firebrick Chimney Sweep, serving Lennox, DuraFlex repair in Del Aire, and the surrounding LA County communities.