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 Westmont, CA | San Bernardino Chimney Sweep
San Bernardino Chimney Sweep provides independent Westmont Chimney Sweep service for DuraFlex chimneys across Westmont, CA (90047). We’re not a DuraFlex dealer and we’re not authorized by the manufacturer. What we are is the crew Westmont homeowners call when a DuraFlex liner, cap, or top plate needs work, and the one thing that makes our DuraFlex service here different is that we know what this specific neighborhood does to idle chimneys. Call (877) 516-7159 for a free estimate.

Most Westmont fireplaces are decorative or only used a handful of nights each winter. The flues sit unused for months in damp, marine-influenced air, and that changes the kind of DuraFlex work we do. It’s rarely burn damage. It’s moisture, pests, and rust at the top of the system. We inspect, we clean, and if we find a broken cap or a spalled crown, we fix it before it gets worse.
Why Westmont Residents Choose Us for DuraFlex Service
Allen Prescott grew up near the Kendall Drive corridor in San Bernardino and has spent the better part of three decades working on Inland Empire chimneys and fireplaces. He picked up the fundamentals of HVAC and building systems at San Bernardino Valley College before narrowing his focus to chimney maintenance and venting safety. That background matters in Westmont, because the DuraFlex systems here fail in ways a heating-climate tech often misses — a difference we also see with DuraFlex repair in Lennox.
We’ve worked on DuraFlex stainless flex liners, caps, and top plates across this part of unincorporated LA County for years. We know which parts fail first when a flue sits idle in coastal damp, and we know the difference between a liner that needs cleaning and one that needs repair. Homeowners in Westmont call us because we speak plainly about what we found, what it means, and what actually needs to be done versus what can wait. Allen built his reputation on straight talk, and that’s how we run every DuraFlex job: no upsell, no scare tactics, just a camera inspection and an honest recommendation. Visit our DuraFlex sales & service page for more on how we approach these systems.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Westmont
- Top-down corrosion from idle marine damp. A DuraFlex liner in Westmont often looks fine from the firebox, but months of moisture sitting on the stainless and the cap seam can start rust before the firebox ever shows a problem. We check the top first, because that’s where this neighborhood’s damage starts.
- Cap and spark-arrestor screens packed with nesting debris. Westmont’s 90047 housing stock is full of original uncapped brick fireplaces. When a DuraFlex liner terminates without a cap, raccoons, birds, and squirrels treat the top plate like a shelf. We’ve pulled enough nesting material out of these systems to know it’s the single most common issue we see here.
- Cracked or spalled brick crowns letting water track onto the DuraFlex top plate. The post-WWII stucco bungalows in Westmont have mortar and brick that’s been exposed to winter rain and coastal humidity for seventy-plus years. When the crown deteriorates, water runs down onto the top plate and loosens the seal. We repair the crown and reseal the plate so the liner doesn’t take the hit.
- Liner sections shifted or partially disconnected at joints. Decades of settling and minor seismic movement can leave DuraFlex liner joints slightly out of alignment. You won’t see it from the firebox. A camera run is the only way to confirm whether the sections are still seated correctly.
- Liner-to-insert connector kits failing on 1970s retrofit jobs. A lot of Westmont homes got insert retrofits in the 1970s, and the connector kits used back then are now well beyond their design life. We check the connection point closely during every DuraFlex cleaning here, because that’s where air leaks and draft problems hide.
DuraFlex Service in Westmont: What Local Conditions Mean for Your Equipment
Westmont sits in the South Bay’s marine-influenced, virtually frost-free zone of unincorporated LA County. The 90047 ZIP is dominated by post-WWII 1940s through 1960s tract homes and stucco bungalows, many with original brick masonry fireplaces or 1970s insert retrofits whose mortar crowns and dampers are now well past their design life. For a DuraFlex owner, that local housing stock creates a specific problem: the original brick fireplace was built uncapped, and the DuraFlex liner termination above it often has no cap at all. So before we can scope the flue on a Westmont job, we’re frequently pulling a raccoon nest, bird debris, or a season’s worth of leaf litter off the top plate. The damp air means creosote here never fully dries; it forms a glaze that’s harder to remove than the flaky, dry creosote you get in heating climates. And because these flues get so little use, the damage isn’t from heat stress. It’s from neglect, moisture, and animals. That’s the trade we’re actually doing in Westmont: clearing, capping, and sealing systems that have been sitting idle, not repairing ones that burned too hot. If you’re in the Westmont service area, this is the reality of your chimney, and we work to it.
DuraFlex Models & Products We Service in Westmont
We service DuraFlex stainless steel flexible chimney liners (round, single-wall), rigid stainless liner sections and tee cleanouts for offset flues, multi-flue and single-flue top plates with spark arrestor caps, and the liner-to-insert connector kits still in service on 1970s and 1980s retrofits. When parts are needed, we fit OEM DuraFlex components where they match the existing system and are available. Where an aftermarket cap or arrestor matches the venting spec better, or gets a Westmont homeowner a proper animal guard faster, we use that instead and tell you why. We carry common cap and arrestor sizes on the truck for fast turnaround in 90047, so a nest-clear-and-cap job usually doesn’t require a second visit.
See the difference
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AfterDuraFlex Service Pricing in Westmont
DuraFlex chimney cleaning in Westmont typically runs between $180 and $340 depending on flue condition, roof access, and whether we’re pulling animal debris off the top before we start. A Level 2 camera inspection is extra and worth it on any system that hasn’t been scoped in years. If we find a damaged cap or a spalled crown, that repair is quoted separately, and you’ll see the camera footage before anyone recommends a liner replacement. We never sell a reline unless the camera shows crushed, disconnected, or rusted-through sections. Call (877) 516-7159 for a free estimate, and we’ll give you a straight number before anyone climbs a ladder.
Serving Westmont, CA — Our Local Coverage Area
We’re based in the Westmont area and know this community well, just as we know DuraFlex service in Inglewood. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in Westmont
Yes. An uncapped flue is an open doorway for birds, squirrels, and raccoons, especially in Westmont’s 90047 housing stock where original brick fireplaces were often built without caps from day one. The twigs, leaf litter, and nesting material fall straight down the flue and into your firebox. The fix is clearing the debris, confirming the liner is intact with a camera, and fitting a proper cap with a spark arrestor. That stops the cycle. Call (877) 516-7159 and we’ll handle it.
In Westmont, the answer is often yes, but for a different reason than in heating climates. Your flue isn’t building heavy creosote from constant use; it’s collecting damp soot, pest debris, and moisture-driven rust from sitting idle in marine air. An annual sweep catches the nest you didn’t know about and the glaze that never dried. It’s less about heavy cleaning and more about confirming the system is still sound before the handful of nights you want it. If you’ve skipped a few years, call (877) 516-7159 and schedule a cleaning and camera check.
It absolutely can. The crown sits above the liner termination, and when it cracks and spalls, water tracks down onto the DuraFlex top plate, loosens the seal, and eventually eats into the liner’s upper sections. On Westmont’s post-WWII stucco bungalows, crowns are often original and well past their service life. We repair the crown and reseal the top plate, which protects the liner from further water damage. Call (877) 516-7159 and we’ll take a look.
Not always. On many Westmont retrofit jobs, we can run a camera up the flue through the connector or the cleanout tee without pulling the insert fully out. If the insert blocks access entirely, we’ll tell you before we start and explain what a full removal would involve. The point is getting eyes on the liner, and we’ll use the least invasive route that still gives us a clear picture. Call (877) 516-7159 to talk through your setup.
No. San Bernardino Chimney Sweep is an independent DuraFlex service provider. We are not authorized, sponsored, or warranty-endorsed by DuraFlex, which means our recommendations come from what we find in your flue, not from a brand sales program. We fit OEM DuraFlex parts when they’re the right call, and we’ll tell you when a quality aftermarket part does the job better for your Westmont home. The independence is the point.
Service Areas Near Westmont
We provide DuraFlex service across Westmont and the surrounding South Bay and Inland Empire areas, including DuraFlex service in Hollywood, DuraFlex service in West Athens, and nearby communities like San Bernardino, Colton, and Rialto. If you’re just outside Westmont, call and ask whether we cover your block. Chances are we do.
Book Your DuraFlex Service in Westmont Today
If your DuraFlex service in View Park-Windsor Hills or Westmont fireplace is smoking, your cap is missing, or you haven’t scoped your DuraFlex liner in years, call (877) 516-7159. We’ll give you a free estimate and a straight answer. A clean flue isn’t a luxury; it’s just how you keep the fire where it belongs.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving Westmont since the day he learned what an uncleaned chimney can do to a house.