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 Lakewood, CA | Walnut Chimney
DuraFlex chimney cleaning in Lakewood costs between $189 and $329 for most single-flue mid-century ranches, and the work typically takes 45 to 90 minutes. We’re an independent DuraFlex service provider working across all four Lakewood ZIP codes, 90711 through 90714, and we also handle DuraFlex in Signal Hill. What sets our DuraFlex work here apart is knowing that Lakewood’s 1950s tract chimneys fail in predictable, block-by-block patterns, which lets us spot liner and cap problems before they become fire hazards or leak into your ceiling. Call (855) 341-3461 for a free estimate.

Our crew has pulled and repointed enough DuraFlex stainless liners and DuraFlex chimney caps in Lakewood’s 1950s ranches that we know how these systems age in coastal-damp, lightly-used flues. We handle DuraFlex sales & service on a weekly basis, and we treat every repair as a full-system call, from the firebox to the cap.
Why Lakewood Residents Choose Us for DuraFlex Service
Russ Dempsey, our owner, grew up off Amar Road in Walnut and still lives ten minutes from where he learned to ride a bike. He studied sheet metal and venting systems through the HVAC program at Citrus College, then spent his first years doing fireplace retrofits and cleanouts on the older ranch homes scattered through the San Gabriel Valley before focusing exclusively on chimneys. That background matters most when a DuraFlex liner in a Lakewood Park ranch is not behaving the way the manufacturer’s diagram says it should.
When a Lakewood homeowner calls us about a DuraFlex liner or cap, we arrive knowing what to look for on a 1950s single-flue masonry chimney. We fit genuine DuraFlex liners and caps whenever the existing system is DuraFlex, and we only use quality aftermarket flex or caps where the diameter, length, or fit makes an OEM match impractical, and we say which one it is before we start. We repair a DuraFlex liner that is sound but poorly capped or badly connected, and we tell owners honestly when corrosion or a crushed liner means replacement is the only real fix. That transparency keeps us busy across Lakewood service area ZIP codes without much advertising.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Lakewood
- Rusted-out DuraFlex cap screens. Lakewood’s coastal salt air and year-round marine fog sit on exposed metal caps. The original screen rusts through, birds get in, and rain follows. We see this on nearly every third cap we touch in the 90712 and 90713 blocks, and the fix is a correctly sized DuraFlex Pro cap, not a patch.
- Glazed creosote on a lightly-used liner. Lakewood homeowners fire their fireplaces maybe a dozen times a winter, often just on the first cold night. Those short, sporadic fires produce creosote that cools and hardens against the stainless liner wall. A light-use chimney still reads as heavily fouled on inspection, and it takes mechanical removal, not just a brush.
- Corrosion at the top 18 inches of the liner. Marine-layer damp settles at the top of a seldom-fired flue and sits there for months. The top section of a DuraFlex stainless liner pits and corrodes while the rest of the liner looks sound. We check that top stretch on every cleaning call in Lakewood, because that is where the failure starts.
- Loose liner-to-crown and top-plate connections. The original 1950s masonry crowns on Lakewood Park ranches are cracking on schedule. Water tracks down onto the DuraFlex top plate, loosens the connection, and quietly rusts the hardware. A cleaning is the right time to catch it, before the leak shows up inside the house.
- Crushed or kinked flex sections from old installs. Not every DuraFlex liner in Lakewood was installed last year. Some go back to the first wave of gas conversions and insert retrofits. A kinked section traps creosote and blocks the draft, and we find these on inspection more often than homeowners expect.
DuraFlex Service in Lakewood: What Local Conditions Mean for Your Equipment
Lakewood was developed as one of America’s first planned post-war suburbs, and its mid-century tract homes originally had fireplaces as a standard feature. That means thousands of nearly identical 1950s chimney flues now hit their 70-year mark at the same time. The houses off Del Amo Boulevard, the ones with the original brick fireplaces and simple single-flue masonry chimneys, share the same flue height, the same cap size, and the same chase geometry as the house three doors down. For a DuraFlex owner, that sameness is useful: we can often pre-fit a DuraFlex cap or liner length before we climb the roof, because we have already measured the same chimney on the same block. A our Chimney Sweep in Lakewood calendar is driven by these synchronized mid-century chimneys and the marine layer, not by any other city’s patterns.
On a Lakewood Park ranch off a 1950s tract block near Del Amo Boulevard, our tech found a homeowner’s DuraFlex stainless liner sound at mid-flue but glazed with hardened creosote and topped by a rusted-out DuraFlex cap screen that had let the marine-layer damp straight down the flue. We swept the liner, broke up the glazed creosote, and set a new DuraFlex cap sized to the original single-flue masonry chimney, then ran a Level 2 check confirming the top plate and crown were still tight. That call is the Lakewood pattern in one sentence: the liner was fine, the top was not.
DuraFlex Models & Products We Service in Lakewood
We work on the full DuraFlex product family as an independent service provider, not a manufacturer-authorized dealer. That covers the DuraFlex Stainless Steel Chimney Liner, the 6-inch round flex kit, the Insulated Flex Liner Kit, and the Pro Stainless Chimney Cap, plus the Multi-Flue and Custom Cap line for wider mid-century masonry crowns. We keep common DuraFlex cap sizes and liner sections stocked locally so Lakewood calls do not wait on a distributor shipment from across the country. When a part is not OEM, we say so and explain the fit difference before any work begins.
See the difference
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AfterDuraFlex Service Pricing in Lakewood
DuraFlex chimney cleaning in Lakewood runs $189 to $329 for a standard single-flue ranch. If the flue has a heavy glazed creosote buildup, expect the higher end of that range, because mechanical removal takes longer than a standard brush pass. A Level 2 inspection adds $150 to $250 depending on flue height and access. Cap replacement varies with the cap model and whether the crown needs prep work first. Every estimate is free, and we give you a written price before we start, not after. Call (855) 341-3461 and we will walk you through what your specific Lakewood chimney likely needs.
Serving Lakewood, CA — Our Local Coverage Area
We’re based in the Lakewood area and know this community well, and we also offer Long Beach DuraFlex service nearby. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in Lakewood
If the corrosion is limited to the top 12 to 18 inches and the rest of the liner is sound, a repair is often possible and smart. If the pitting runs the full length or the flex sections are kinked and trapping creosote, replacement is the only honest fix. We will show you the camera footage and tell you which one applies, without pushing a new liner you do not need.
No. Walnut Chimney is an independent DuraFlex service provider. We work on DuraFlex liners and caps regularly, but we are not authorized, sponsored, or warranty-endorsed by DuraFlex. What that means for you: we will install genuine DuraFlex parts where the system calls for them, but we will also tell you when a quality aftermarket part fits better. Call (855) 341-3461 for a straight answer on your specific chimney.
Yes, whenever the existing system is DuraFlex and the OEM part is the right fit. We fit genuine DuraFlex liners and caps as the default. If a diameter, length, or crown match makes an OEM part impractical, we will offer a quality aftermarket alternative and tell you the difference before we start. No silent substitutions.
Plan on 45 to 90 minutes for a standard single-flue cleaning with a visual inspection. If we are also running a Level 2 camera check or replacing a cap, add another 30 to 60 minutes. Lakewood’s tract chimneys are uniform, which keeps the work moving faster than on custom builds.
Because marine-layer damp and short, sporadic fires are exactly the combination that creates glazed creosote and cap corrosion. A fireplace used three times a winter can still read as heavily fouled on inspection. If you are seeing rust streaks on the cap or a weak draft, call (855) 341-3461 and we will take a look before the next cold snap.
Service Areas Near Lakewood
Walnut Chimney covers Lakewood and the surrounding mid-century neighborhoods. We regularly service DuraFlex chimneys in Garden Grove, Westminster, Stanton, Anaheim, and Fountain Valley. If you are just over the line, we can usually reach you on the same route. We also handle DuraFlex service in Bellflower and DuraFlex service in San Joaquin Hills.
Book Your DuraFlex Service in Lakewood Today
If your DuraFlex repair in Paramount or Lakewood area liner or cap is showing its age, or if you simply have not had the flue looked at in a few years, call (855) 341-3461 for a free estimate. We will schedule a time that works, show up with the right parts, and tell you plainly what the chimney needs. If the flue’s clean and the draft is right, everything else takes care of itself.
Written by Russ Dempsey, Owner at Walnut Chimney, serving Lakewood and the surrounding communities across the San Gabriel Valley.