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 Lake Arrowhead, CA | Ashwood Chimney Sweep
We provide independent DuraFlex chimney cleaning and repair across Lake Arrowhead, and the one thing that makes our work here different is this: we’re sweeping liners that often burned all winter while nobody was watching. A lot of Lake Arrowhead homes are cabins and vacation rentals, which means a DuraFlex liner can carry a full season of creosote before any owner lays eyes on it. Call (833) 805-3229 for a sweep that treats your flue like a system, not a chore.
Why Lake Arrowhead Residents Choose Us for DuraFlex Service
We’ve been working on DuraFlex stainless liners, caps, and tee components long enough to know what mountain burning does to them. Not the brochure version of DuraFlex. The real one. The liner seams that loosen after a hard winter of heating and cooling cycles, the cap mesh that packs solid with glazed creosote and pine needles, the top plates that rust faster up here than they ever would down the hill.
Norm Castillo, our owner, grew up off Sierra Avenue in Fontana and came up through the Chaffey College HVAC and building systems program before narrowing his focus to chimneys, flues, and venting. He’s been running Ashwood Chimney Sweep for close to two decades, and he treats a DuraFlex liner in Lake Arrowhead like what it is: stainless steel that’s been asked to do serious work at elevation. We stock OEM-spec stainless parts and lean toward repair before replacement. You don’t need a new liner just because a cap rusted out or a tee joint loosened. You need someone who can tell the difference.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Lake Arrowhead
- Glazed creosote loads from absentee burning. A cabin sits empty for months, renters or family burn wet pine, and the liner develops a hard, shiny creosote glaze that a standard brush won’t touch. We see this constantly in Lake Arrowhead. It takes rotary cleaning heads and patience, and we have both.
- Cap mesh clogged with creosote and pine debris. Forest cabins surrounded by conifers shed needles onto roofs and into cap screens. Add creosote vapor from hard winter burning and that mesh becomes a solid plate, choking draft. We clean or replace DuraFlex ProTop caps as part of a service call.
- Flexible liner seams loosening after repeated heating and cooling. A wood stove that runs hot all winter and cold all spring puts real stress on flex liner seams. We re-secure them before they separate enough to leak combustion gases where they shouldn’t be.
- Top plate and cap corrosion from snowmelt and damp shoulder seasons. Lake Arrowhead gets real snow, and it melts slowly into spring. That freeze-thaw-damp cycle accelerates fastener rust on top plates and caps. We replace corroded hardware with stainless and seal the plate properly.
- Liner-to-appliance connector gaps and unsealed tees. Tight A-frame chases and converted fireplaces often hide a tee joint that wasn’t sealed well to begin with. Creosote drops onto the smoke shelf, performance suffers, and it’s a fire risk. We find it during the sweep and fix it on the spot.
DuraFlex Service in Lake Arrowhead: What Local Conditions Mean for Your Equipment
Here’s the thing about Lake Arrowhead that a generic DuraFlex page won’t tell you: a huge share of these homes are second homes and vacation rentals, so the liner often absorbs an entire heating season of creosote without the owner ever firing the stove themselves. We pull a cap off a DuraFlex Pro liner in the Arrowhead Woods area and find a season’s worth of glazed buildup from renters who burned whatever was stacked by the porch, wet or not. That’s not negligence, it’s just how mountain rentals work. The previous occupant’s burning habits are your liner’s current condition. Our sweep doesn’t just account for your usage. It accounts for everyone’s usage since the last cleaning. The fact that you only light a fire twice a winter doesn’t matter if the family that rented your cabin for Thanksgiving ran the stove for eleven straight days with pine that hissed. We inspect for what actually happened, not what you assume happened. That’s the difference between a sweep and a real inspection.
DuraFlex Models & Products We Service in Lake Arrowhead
We service the full DuraFlex Pro line as it’s installed in mountain homes: stainless flexible liner kits, insulated and uninsulated, in round and oval configurations for masonry offsets. We work on ProTop and deluxe stainless chimney caps, rigid stainless pipe sections, and tees. When a part needs replacing, we match the existing liner diameter, tee size, or cap model with OEM or equal-spec stainless so the system stays compatible. Mild steel mixed into a stainless run is how you get premature failure, and we won’t do that to a customer. We keep common DuraFlex-compatible cap sizes and tee components in our truck stock because driving down the mountain for a part wastes your day and ours. For more on our DuraFlex work, see our DuraFlex sales & service page.
See the difference
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AfterDuraFlex Service Pricing in Lake Arrowhead
A chimney sweep for a DuraFlex-lined fireplace or wood stove in Lake Arrowhead typically runs $180 to $340, depending on how much glazed creosote we’re dealing with and whether the liner needs rotary cleaning. Cap replacement with a DuraFlex-compatible stainless cap adds roughly $60 to $150 for the part, and any seam re-securing or tee sealing is quoted once we see the condition. Here’s what shapes your price:
- Glazed creosote: Heavy, shiny buildup takes more time and rotary tooling than light soot. That’s the single biggest variable.
- Cap condition: If your DuraFlex ProTop cap is clogged beyond cleaning or rusted through, replacement is cheaper than fighting draft problems all winter.
- Access: Tight A-frame chases and steep mountain rooflines can add time, and time is the honest cost driver.
We give a flat price before we start. No surprise line items. Call (833) 805-3229 for a free estimate and we’ll tell you what you’re looking at.
Serving Lake Arrowhead, CA — Our Local Coverage Area
We’re based in the Lake Arrowhead 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 Lake Arrowhead
Probably, because an empty cabin isn’t an unused cabin. Renters and family members burn wood you never see, and a full season of intermittent hard burning builds glazed creosote that a standard brush won’t remove. We inspect for exactly that and use rotary cleaning heads when the glaze is too hard for conventional sweeping. Call (833) 805-3229 and describe how the cabin gets used; we’ll tell you what to expect before we quote.
Because Lake Arrowhead’s conifers drop needles onto your roof, and creosote vapor condenses on the mesh, and the two combine into a paste that hardens into a plug. It’s a mountain problem, not a DuraFlex defect. A cap mesh that clogs repeatedly may be sized wrong for your burning habits. We can replace it with a cap that handles pine-heavy burning without choking draft, and we’ll show you the difference.
Yes, and this is common in Lake Arrowhead. Older cabins built mid-century often had open fireplaces later converted to inserts or freestanding stoves, and the flue geometry rarely matches the new appliance well. We can run a proper DuraFlex Pro liner, insulated or uninsulated depending on the chimney, sized to the stove’s requirements. The conversion may have worked fine for years with an ovalized path or a loose connector, but a correctly sized liner changes how the stove drafts, and it’s worth doing right before another winter.
A rusted top plate is a top plate problem, not a liner problem. Snowmelt and damp springs in Lake Arrowhead corrode top plates and fasteners far faster than the stainless liner below them. We replace the plate and hardware, re-seal it, and only recommend a full reline if the liner itself is actually compromised. We don’t sell liners that aren’t needed. We’ll show you the condition on camera so you can see exactly what we’re seeing.
At Lake Arrowhead’s elevation with a long wood-burning season, once a year is the floor, not the ceiling. If your cabin is a vacation rental or you burn pine regularly, twice a year is realistic. Pine and fir at mountain moisture levels build creosote faster than hardwoods burned dry. A liner that gets swept annually before the first cold snap is a liner we rarely have to repair. Call (833) 805-3229 and we’ll get you on the pre-season schedule.
Service Areas Near Lake Arrowhead
We serve Lake Arrowhead and the surrounding mountain communities, plus the valley below. Our service area includes Lake Arrowhead service area coverage throughout the 92352 ZIP code. We also work regularly in Fontana, Rialto, and Bloomington, and we handle DuraFlex chimney work in El Cerrito and Pomona for customers who know our reputation from the mountain and want us down the hill. See DuraFlex service in El Cerrito Corona and DuraFlex service in Pomona for those service areas.
Book Your DuraFlex Service in Lake Arrowhead Today
A clean flue isn’t a luxury – it’s just the job done right. If your Lake Arrowhead chimney hasn’t been swept since last winter, or you don’t know when it was last touched, call (833) 805-3229 for a free estimate. We’ll assess the liner, the cap, and the tee, and tell you exactly what needs doing, in plain language, before anyone picks up a brush.
Written by Norm Castillo, Owner at Ashwood Chimney Sweep, serving Lake Arrowhead and the San Bernardino Mountains for close to two decades.