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 Highland, CA | Ashwood Chimney Sweep
DuraFlex chimney cleaning in Highland means dealing with a liner system that gets hammered by Cajon Pass winds and months of idle summer heat, not just routine soot. We’re an independent chimney sweep providing DuraFlex service across Highland, and the thing that makes our work different is that we find the failure at the top plate, not just the creosote in the flue. That’s a Highland problem, and the fix starts with sweeping and inspecting the entire run. Call (833) 805-3229 to book a free estimate. We repair with the same materials professional contractors specify.
Why Highland Residents Choose Us for DuraFlex Service
We’ve spent years pulling, sweeping, and re-lining DuraFlex stainless flexible liners in Highland’s foothill housing stock, so we know how these systems age under Santa Ana wind cycles and hard first-burn use. Norm Castillo runs the crew, and he grew up in Fontana off Sierra Avenue, not far from where Kaiser Steel used to run, and he’s been working the Inland Empire for close to two decades. DuraFlex is what we find in the flues here, and we service it because of that, not because anyone authorized us to. When a Highland homeowner calls about a fireplace that hasn’t been touched in years or a liner that’s venting wrong, we show up with the right parts and the experience to know the difference between a sweep and a re-line. Ashwood handles the whole flue, not just the easy parts. We fit OEM DuraFlex liner components where the existing system is DuraFlex so the run stays matched and warrantable. See our full DuraFlex sales & service page for more.
Styles & brands we work with
Common DuraFlex Chimney Cleaning Problems We Solve in Highland
In Highland, DuraFlex liners fail in patterns tied to winds, summer heat, and the way older homes here are built. Here are the five failures we see again and again.
- Top plate and cap clogged with palm fronds and fine ash. Downslope winds off the Cajon Pass blow debris into uncapped flues, and a DuraFlex top plate with a fine mesh spark arrestor becomes a catch basin. We’ve seen caps packed so tight that the firebox won’t draw at all.
- Insulation wrap torn loose from the liner. The wrap blankets heat-cycle for years, and the adhesive or wire ties fail, usually a foot or two down from the top. That leaves the clay flue exposed to creosote-glaze contact. We find this on mid-century Highland homes where summer heat then cold snaps stress every seam.
- Glazed creosote collecting at smooth-wall seam junctions. When wind drives ash down the flue, it cools the upper run, and creosote hardens at the joints where two sections of DuraFlex SW meet. It’s not the liner’s fault, but it needs a careful sweep so the seams aren’t gouged.
- Pinholes and corrosion at the bottom connector. A 1970s masonry firebox that’s been unused through a hot Highland summer can hold enough condensate to start pitting the liner’s lower connector. The liner may be perfectly sound, but that one joint is now a carbon monoxide risk.
- Cap loosened or spark arrestor crushed from repeated wind load. A standard cap might survive a decade in Redlands, but in Highland the constant flexing and debris impact over a few Santa Ana seasons will loosen the seating and let water and ash follow the liner down.
DuraFlex Service in Highland: What Local Conditions Mean for Your Equipment
Because Highland sits at the base of the Cajon Pass, downslope winds push palm fronds and fine ash into uncapped flues faster than on the valley floor, so on a DuraFlex liner we find the clog, and the failed spark arrestor, at the top plate rather than in the firebox. That’s the one fact that separates Highland from Redlands or San Bernardino proper, and it’s the first thing we check on every DuraFlex job here. A homeowner in the East Highland foothills will get a cap packed with debris three times a year, while someone five miles down the hill won’t see that in five years. For DuraFlex owners specifically, that top-plate buildup is worse, because the smooth-wall liner holds the heat fine, but the cap and seating take the full force of the wind, and once the mesh is crushed flat the spark arrestor isn’t doing anything. In Highland fire country, that’s not a cosmetic detail. It’s the whole point of having a cap.
On a 1960s ranch home in the East Highland foothills we pulled a DuraFlex smooth-wall liner that had been capped years earlier and found the top plate packed with palm fronds and fine ash, the spark arrestor mesh crushed flat. Our tech cleared the debris, found the insulation wrap had torn loose about a foot down, re-seated the liner and wrap, and set a new multi-flue cap sized for the wind exposure. The homeowner got an honest Level 2 report and a cap that will actually survive the next Santa Ana event. That’s the kind of Highland-specific service we provide every week, unlike a typical DuraFlex repair in Muscoy.
DuraFlex Models & Products We Service in Highland
We service the full DuraFlex lineup found in Highland homes: Smooth-Wall (SW) flexible stainless liner kits, Pro single-wall flexible relining systems, insulation wrap blankets used with 316L and 316Ti liner kits, and rigid and flex tee kits for fireplace insert and wood stove installs. When a system is still DuraFlex, we fit OEM DuraFlex liner components so the run stays matched and warrantable. When OEM equivalents are slow to arrive or overkill for an older Highland flue, we use quality aftermarket caps, top plates, and connectors. We stock the common DuraFlex parts for fast turnaround, and we won’t sell you a re-line if the liner is sound, a sweep and re-cap is the right call.
See the difference
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AfterDuraFlex Service Pricing in Highland
Chimney sweeping in Highland typically runs $180 to $340, depending on the liner length, how much glazed creosote has built up, and whether we’re also servicing the cap and top plate. A Level 2 inspection, which we recommend when a liner has been sitting through a hot summer or shows signs of top-plate debris, runs $250 to $550. If a liner needs repair or relining, cost depends on what we find with the camera, and you’ll see the footage before you agree to anything. A free estimate covers the full inspection and a written quote, so you’ll know the exact number before we touch a tool. Call (833) 805-3229 to book, and we’ll walk you through what’s actually needed.
Serving Highland, CA — Our Local Coverage Area
We’re based in the Highland area and know this community well, just as we know DuraFlex service in Loma Linda. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in Highland
Highland sits at the base of the Cajon Pass, and the downslope winds blow palm fronds, ash, and debris into uncapped or poorly capped flues faster than any neighborhood down the hill. The DuraFlex top plate and spark arrestor become the catch point, and once the mesh is clogged, the draw drops and smoke backs up. The fix is a cap sized for Highland’s wind exposure and a pre-season check every fall. Call (833) 805-3229 and we’ll get you on the schedule before the first cold night.
Yes, we use poly brushes sized for smooth-wall stainless, and we go slow at the seams where glazed creosote collects. Wire brushes would scratch the liner and create crevices for future buildup, so we don’t use them on DuraFlex SW. If the creosote is glazed hard, we use a professional-grade chemical treatment followed by a careful mechanical sweep, and we inspect the seams afterward with a camera.
We camera-inspect every DuraFlex liner during a cleaning, and we look for tears, pinholes, separated wrap, or unseated joints. If the liner is sound, a sweep and re-cap is the honest answer. If it’s torn, under-insulated, or the bottom connector has corrosion through the wall, relining is the only safe path. We’ll show you the footage so you can see exactly what we see.
Yes. Highland’s Cajon Pass wind loads are strong enough to loosen a standard cap’s seating and crush a fine mesh spark arrestor within a few seasons. We recommend a multi-flue cap with a heavier gauge mesh and mounting hardware sized for exposed foothill locations. It costs a little more up front, but it stays seated and keeps debris out instead of becoming debris itself. Call (833) 805-3229 for a free cap check and quote.
The liner itself is stainless and won’t rust from sitting, but the bottom connector and firebox area can collect condensate during months of hot, unused weather, and that can lead to pinholes over time. More often, the real problem is what the wind deposits up top while the fireplace is idle: debris, ash, and sometimes nests. An annual sweep and inspection catches both issues early. If it’s been a year or more, call (833) 805-3229 for a free estimate.
Service Areas Near Highland
We provide DuraFlex chimney cleaning throughout the 92346 ZIP code and nearby foothill and valley neighborhoods including Fontana, Bloomington, Rialto, Sunnyslope, Glen Avon, and Muscoy. We also serve DuraFlex service in San Antonio Heights and DuraFlex service in Crestline for homeowners in the foothill communities. See our Highland service area page for full coverage details.
Book Your DuraFlex Service in Highland Today
A clean flue isn’t a luxury – it’s just the job done right. If your Highland home has a DuraFlex liner that hasn’t been swept in a year or more, or the cap keeps clogging, call (833) 805-3229 for a free estimate. Norm and the crew will get you on the schedule before the first real cold night.
Written by Norm Castillo, Owner at Ashwood Chimney Sweep, serving Highland since 2008.