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 Los Angeles, CA | Ashby Chimney Los Angeles
We provide independent Chimney Sweep in Los Angeles for DuraFlex cleaning and inspection, and the one thing that makes our work here different is that we clean for fire season, not just for aesthetics. Most DuraFlex liners in this city sit idle for eight or nine months a year, which means creosote hardens into a glaze that a standard brush won’t touch. We use rotary whip systems sized specifically for DuraFlex’s corrugated walls, so we clear the liner without scoring or tearing it. Call (213) 652-7061 for a free estimate, and we’ll give you a written price before any work starts.
Why Los Angeles Residents Choose Us for DuraFlex Service
We’ve stripped, inspected, and rebuilt hundreds of DuraFlex liner systems across Los Angeles, from simple masonry relines to full hillside runs with offset elbows that test every inch of a flexible liner. Nathan Corliss, our owner, grew up in Atwater Village, where older Craftsman bungalows with working fireplaces were just part of the landscape. He’s been cleaning and inspecting flues across the LA basin for going on eighteen years, and he’s the guy neighbors call when they want a straight answer about whether their firebox is safe to light come November.
We’re an independent DuraFlex service provider, which means two things. First, we’re not tied to a manufacturer’s sales targets, so we’ll tell you plainly when a liner can be cleaned and kept, and when it genuinely needs replacement. Second, we stock OEM DuraFlex components and equivalent-certified 316L stainless steel locally, so we’re not waiting on a parts shipment from the East Coast when your cap needs replacing before Santa Ana season. Every job gets a written price and a written guarantee through the Kingswell Guarantee. If a covered repair fails, we return at no charge. That’s the 365-Day Done Right Promise, and it’s in writing every time. You can read more about our full DuraFlex sales & service approach here.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Los Angeles
- Glazed creosote inside DuraFlex 316L corrugations. Los Angeles fireplaces often go unused from March through November. During that long stretch, soft creosote from the previous winter hardens into a shiny, tar-like glaze that locks into the liner’s corrugated ridges. A standard wire brush skims over the top. We use a rotary whip with the right head size to break the glaze without catching the liner walls.
- Tears or kinks near offset elbows in hillside flue runs. Hillside homes in neighborhoods like Mount Washington and Laurel Canyon often have flues with multiple offsets to route around rooflines and structural beams. DuraFlex flex liners handle bends well, but earthquake shifts can pinch the liner at those elbow points. During cleaning, we feel for resistance that signals a kink or tear before it becomes a venting failure.
- Nesting debris wedged between liner corrugations at the cap. Birds and squirrels get into chimneys through damaged or missing caps. We regularly find nests packed between the corrugations just below the cap, which blocks airflow and pushes embers back toward the roof. In dry, windy conditions, that’s a wildfire ignition source. We remove the debris fully and check your cap mesh against Los Angeles fire code.
- Corrosion pitting in DuraFlex aluminum liners on gas fireplaces. Gas fireplaces produce acidic condensation, and when a chimney is used only a handful of times a year, that moisture sits and reacts with soot inside an aluminum liner. Pitting follows. We inspect for this during every Level 2 inspection and recommend replacement only when the pitting has compromised the liner wall.
- Non-compliant spark arrestors on older DuraFlex installations. Los Angeles Municipal Code Section 57.105 requires a spark arrestor with mesh no larger than 1/2 inch on every chimney outlet in the Very High Fire Hazard Severity Zone. Many older DuraFlex installs predate the current code or have caps with 3/4-inch mesh. We check this on every cleaning and upgrade non-compliant caps as part of the service.
DuraFlex Service in Los Angeles: What Local Conditions Mean for Your Equipment
Los Angeles Municipal Code Section 57.105 is the piece of local law that changes how DuraFlex owners here should think about chimney cleaning. The code requires a spark arrestor on all chimney outlets in the Very High Fire Hazard Severity Zone, which covers most hillside neighborhoods, including much of Laurel Canyon, Mount Washington, and the Santa Monica Mountains foothills. And it’s specific about the mesh: no larger than 1/2 inch. A lot of older DuraFlex installations went in with caps that have 3/4-inch mesh or no arrestor at all. Those caps may have been fine when they were installed, but they’re not compliant now, and they don’t stop the embers that matter under Santa Ana winds. When we clean a DuraFlex liner in Los Angeles, checking the cap mesh against Section 57.105 is part of the job, not an upsell. If the mesh is too open or the cap is missing, we quote a replacement with a stainless cap rated for wildfire-prone zones and install it the same visit. That’s the kind of detail a generic DuraFlex service page won’t tell you, because it’s a Los Angeles problem, not a DuraFlex problem.
DuraFlex Models & Products We Service in Los Angeles
We clean and inspect the full DuraFlex lineup you’re likely to have in a Los Angeles home: DuraFlex 316L Flexible Chimney Liner, DuraFlex 304 Flexible Chimney Liner, DuraFlex Aluminum Flexible Chimney Liner, DuraFlex Pro, and DuraFlex Smooth Wall. For liner replacement, we use OEM DuraFlex components or equivalent-certified 316L stainless steel when dimensions match. For caps, mortar, and flashings, we source premium aftermarket parts rated for wildfire-prone zones. We keep common cap sizes, top plates, and connectors on the truck for faster Los Angeles turnaround.
See the difference
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AfterDuraFlex Service Pricing in Los Angeles
A standard DuraFlex chimney cleaning in Los Angeles typically runs between $169 and $269 depending on liner condition, access, and whether the chimney has been idle for multiple years. A Level 2 inspection, which we recommend for any hillside home with offset flue runs, runs between $199 and $349. Cap replacement, when a spark arrestor is missing or non-compliant, runs between $95 and $280 depending on size and material. What drives the cost most is liner condition: a heavily glazed liner takes longer to clean safely, and we’d rather quote high and come in under than surprise you at the door. Every quote is written, and the number on the invoice matches the number we quoted. Call (213) 652-7061 for an exact quote. Estimates are free.
Serving Los Angeles, CA - Our Local Coverage Area
We’re based in the Los Angeles 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 Los Angeles
Yes. Los Angeles Municipal Code Section 57.105 requires spark arrestor mesh no larger than 1/2 inch on all chimney outlets in the Very High Fire Hazard Severity Zone. That covers most hillside neighborhoods in Los Angeles. Many older DuraFlex installations have 3/4-inch mesh or no arrestor at all. We check mesh size on every cleaning and quote a compliant cap when needed. Call (213) 652-7061 and we’ll check yours.
Yes. We clean long-idle DuraFlex liners regularly. The main issue is glazed creosote, which hardens into the corrugations after months or years of disuse. We use a rotary whip sized to the liner diameter to remove the glaze without scoring the walls. We’ll also check for nesting debris, because in Los Angeles a decorative fireplace is a standing invitation for birds and squirrels. Call (213) 652-7061 to book a cleaning and inspection.
Earthquakes typically cause kinks or tears in DuraFlex flexible liners at offset elbows, where the liner bends to route around beams or rooflines. Hillside homes in neighborhoods like Mount Washington and Laurel Canyon are especially prone because their flues often have multiple offsets. During a Chimney Inspection - Los Angeles, we run a camera through the full liner to check for deformation at every elbow. If we find a tear, we’ll show you the footage and quote a repair or section replacement. Call (213) 652-7061 for an inspection.
Common signs include poor draw, smoke spilling into the room when you light a fire, or a strong animal odor near the firebox. Raccoons and birds in Los Angeles foothill neighborhoods often build nests just below the cap, wedging debris between the liner corrugations. We pulled a full raccoon nest from a DuraFlex 316L six-inch liner on a Mount Washington hillside home. The nest had compressed against the corrugations and blocked 90% of the flue. We removed the debris, cleared hardened creosote with a rotary whip, and installed a new stainless cap with 1/2-inch mesh to meet fire zone code. If your fireplace has been drawing poorly, call (213) 652-7061 and we’ll inspect it.
It’s safe when it’s in good condition, but rarely used gas fireplaces create a specific problem in Los Angeles. Gas combustion produces acidic condensation, and when the chimney sits unused for months, that moisture reacts with soot inside the aluminum liner and causes corrosion pitting. We inspect for pitting during every Level 2 inspection and recommend replacement only when the liner wall has been compromised. If you’ve had your gas fireplace for more than ten years and haven’t had the liner inspected, call (213) 652-7061. We’ll show you the camera footage and give you a straight answer.
Service Areas Near Los Angeles
We serve Los Angeles and the surrounding neighborhoods. You’ll find us in Sherman Oaks, Brentwood, Santa Monica, North Hollywood, and West Hollywood. For specific service details in those areas, check our Los Angeles service area page, or see DuraFlex service in Sherman Oaks and DuraFlex service in Brentwood for neighborhood-specific information.
Book Your DuraFlex Service in Los Angeles Today
Say the price first, put the promise in writing, and leave the firebox cleaner than you found it. That’s how we work, on every job, in every Los Angeles neighborhood we serve. Call (213) 652-7061 for a free estimate, and we’ll give you a written price before any work starts. A live person answers, day or night.
Written by Nathan Corliss, Owner at Ashby Chimney Los Angeles, serving Los Angeles since 2002.