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 Shadow Hills, CA | San Bernardino Chimney Sweep
We provide independent DuraFlex in Sunland and chimney cleaning and repair throughout Shadow Hills, from Sunland Boulevard to the long private lanes above Stonehurst Drive. Here’s the thing that makes our DuraFlex work different in this city: Shadow Hills burns more eucalyptus than almost anywhere else in the San Fernando Valley foothills, and that wood glazes a stainless liner fast. Call (877) 516-7159 for a free estimate.

Why Shadow Hills Residents Choose Us for DuraFlex Service
We work on DuraFlex flexible stainless liners, rigid pipe sections, and factory top plates every week. Pulling caps, camera-scoping liners, fitting replacements from our own stock rather than waiting on a factory order. As an independent sweep company we service the brand without being tied to it, so our findings and recommendations reflect what your flue actually needs, not what a manufacturer program tells us to say.
Allen Prescott runs the crew, and he grew up near the Kendall Drive corridor in San Bernardino before spending the better part of three decades on Inland Empire chimneys. When he talks about creosote buildup, it’s from pulling a camera out of a glazed Shadow Hills liner, not from a training manual. We carry DuraFlex-style liner sections, top plates, and caps so Shadow Hills jobs don’t stall waiting on parts.
For broader DuraFlex sales & service questions, this page covers what we carry.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Shadow Hills
- Glazed, tar-like creosote welded to liner seams. Eucalyptus and other locally felled hardwoods burn hot but leave dense, sticky residue that hardens against stainless. A plain wire brush skips right over it. We use rotary heads with chemical treatment to break the glaze without scoring the liner.
- Wind-damaged or missing caps and top plates. Santa Ana gusts coming down the Verdugo Mountains hit tall exterior-mounted stacks hard. A missing cap lets rain and grit into the liner top, and a bent top plate breaks the seal that keeps the annular space dry. We match OEM hardware when the existing install demands it.
- Nest and leaf packing in the annular space. On older 1950s to 70s Shadow Hills fireplaces that got relined later, the gap between the DuraFlex liner and the original masonry chase collects debris from overhanging oaks and sycamores. That packing blocks airflow and traps moisture. It has to come out before cleaning means anything.
- Crushed or separated liner sections at offset shoulders. Custom ranch homes in Shadow Hills often had their flues relined around odd offsets in old parged smoke chambers. A flex liner negotiated around those bends can separate at the seams. We camera-scope before ever putting a brush through, because a brush through a separated section makes things worse.
- Heavy creosote at the tee and cleanout. Freestanding wood stoves on Shadow Hills properties run long and hot, and the tee is where everything collects. It’s the first place we inspect and the place a homeowner skipping annual service finds a blockage. A clean tee means a draft; a packed tee means smoke in the house.
DuraFlex Service in Shadow Hills: What Local Conditions Mean for Your Equipment
Shadow Hills sits in the Verdugo Mountains foothills above the San Fernando Valley, and the burn season here stretches from November through March because those cooler foothill nights keep fireplaces lit long after valley-floor homes have switched off theirs. That extended season, combined with the local habit of burning eucalyptus and other felled hardwoods, means a DuraFlex liner in Shadow Hills glazes faster than the same liner in Burbank or North Hollywood. We see liners here that look like they were sprayed with tar after a single heavy season. The glaze clings at the seams and tee, resists a standard wire brush pass, and needs chemical or rotary treatment to remove without damaging the stainless. If you own a DuraFlex-lined fireplace in Shadow Hills, budget for a mid-season inspection, not just an annual sweep. Our Shadow Hills service area page covers the neighborhoods we work in most.
On a long private lane off Stonehurst Drive, our crew was called for a weak draft on a DuraFlex repair in Tujunga and a DuraFlex-lined fireplace in a 1960s ranch home. The camera showed third-degree glazed creosote welded to the liner seams and a cap screen matted solid with eucalyptus debris. We cleared and reseated the top plate, ran chemical creosote removal, and finished with a proper replacement cap. The draw came back, and the owner scheduled a mid-season follow-up.
DuraFlex Models & Products We Service in Shadow Hills
We service DuraFlex SW single-wall flexible stainless liner kits, the insulated flex liner kits that wrap around SWI-type systems, and the rigid stainless pipe and tee/cleanout assemblies used on freestanding stoves. We also handle DuraFlex top plates, rain caps, and multi-flue caps. When it comes to parts, we stock brand-compatible DuraFlex-style liner sections, top plates, and caps locally. If an existing install requires OEM hardware, we match it. What we won’t do is sell a reline when a repair will do. If the liner is intact and the cap or crown is the failure, we say so and fix the cap.
See the difference
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After
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After
Before
AfterDuraFlex Service Pricing in Shadow Hills
Chimney sweeping in Shadow Hills typically runs $180 to $340, depending on liner condition and how many seasons the flue has gone without service. Glazed creosote removal with chemical treatment adds to the job because it’s slower work. Cap replacement runs $45 to $185 for the part plus labor, and a full reline with DuraFlex service in La Crescenta-Montrose and DuraFlex stainless is the most expensive repair at $1,800 to $3,500. The factors that drive your price are liner access height, creosote condition, and whether we’re repairing or replacing top plates and caps. Estimates are free, and we walk you through the camera footage before any work is approved. Call (877) 516-7159 for an exact quote on your Shadow Hills fireplace.
Serving Shadow Hills, CA — Our Local Coverage Area
We’re based in the Shadow Hills 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 Shadow Hills
It’s almost always fuel. Eucalyptus and locally felled hardwoods leave a dense, sticky creosote that welds to stainless liner seams, while softwood burns drier and leaves a powdery soot a brush clears. Your neighbor might be burning only seasoned softwood. Your liner needs chemical or rotary treatment. Call (877) 516-7159 to schedule a camera inspection and see exactly what your liner looks like.
Yes. We camera-scope the full liner from the top plate down to the tee, and we can inspect the annular space without disturbing the liner. That’s the whole point of a Level 2 inspection. If the camera shows the liner is intact, we don’t recommend pulling it.
Short term, yes. A missing cap lets rain and grit into the liner top, and a bent top plate breaks the seal that keeps the annular space dry. If left exposed through a wet winter, the liner top can corrode. We replace caps and top plates as a standard repair. Call (877) 516-7159 and we’ll get your stack covered properly.
Twice a season if you burn eucalyptus or other dense hardwoods regularly. The local burn season runs November through March, and a liner glazed by January will block draft and compound creosote buildup through February. Mid-season service with chemical treatment saves you from a full reline later. Call (877) 516-7159 to schedule both your seasonal sweeps now.
Yes. A liner that was installed years ago, especially around offset shoulders in an older Shadow Hills masonry chase, can have separated sections or packing in the annular space. A Level 2 shows us what’s inside before we run a brush, so we don’t make a bad situation worse. We include camera inspection on every first-time Shadow Hills service call.
Service Areas Near Shadow Hills
We also serve surrounding foothill and valley neighborhoods. For DuraFlex service west of the Verdugos, see DuraFlex service in Inglewood. For the Hidden Meadows area, see DuraFlex service in Hidden Meadows. We also cover Rubidoux, San Bernardino, Colton, Muscoy, and Loma Linda for chimney sweeping, repair, and dryer vent cleaning.
Book Your DuraFlex Service in Shadow Hills Today
A clean flue isn’t a luxury, it’s just how you keep the fire where it belongs. Call (877) 516-7159 to schedule your DuraFlex in Burbank or Shadow Hills DuraFlex cleaning, inspection, or cap replacement. We’ll walk you through what your liner actually needs, and estimates are free.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving Shadow Hills and the San Fernando Valley foothills.