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 Pasadena, CA | San Bernardino Chimney Sweep
We service DuraFlex chimney liners throughout Pasadena, including the 91101, 91189, 91191, and 91199 ZIP codes. Our DuraFlex work in Pasadena is different because we understand what happens when a flexible stainless liner meets a 1910s terra-cotta flue in a Landmark District home: historic preservation rules can kick in the moment you touch the crown, and the original masonry needs to be handled with respect. We’re an independent DuraFlex service provider, not a manufacturer affiliate, so our recommendations come from what we find inside your flue, not a warranty department script. Call (877) 516-7159 for a free estimate from Allen Prescott’s team.

Why Pasadena Residents Choose Us for DuraFlex Service
Allen Prescott grew up near the Kendall Drive corridor in San Bernardino and has spent nearly three decades working on Inland Empire chimneys, including a lot of San Marino DuraFlex service calls and DuraFlex systems in Pasadena’s older housing stock. He picked up his HVAC and building systems fundamentals at San Bernardino Valley College before narrowing his focus to chimney maintenance and venting safety. That background matters when you’re dealing with a DuraFlex liner that was installed in a 1920s Spanish Colonial Revival flue and has been quietly separating at the joints for years.
We don’t sell DuraFlex. We service it, repair it, and replace it when that’s the honest call. Because we’re independent, we can tell you when a repair makes more sense than a full reline, and we can source OEM DuraFlex components or quality aftermarket parts that meet original specs when OEM is discontinued. That’s the difference between working with us and working with someone who only knows one answer to every chimney problem. For a deeper look at our DuraFlex capabilities, see our DuraFlex sales & service page.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Pasadena
- Liner separation at joints in original brick flues. Pasadena sits in seismic country, and a 1910s chimney has absorbed a hundred small earthquakes. We regularly find DuraFlex liners where the sections have pulled apart at the connectors inside the old terra-cotta flue, letting smoke and carbon monoxide into the chimney chase rather than out the top.
- Corrosion from sporadic use and trapped moisture. Pasadena’s fire season is short and rare, and most homeowners burn a handful of times a year. That means leaves, bird nesting material, and other debris accumulates in the flue and traps moisture against the stainless liner. We see pitting and rust on DuraFlex liners in fireplaces that were converted to gas logs years ago and barely used since.
- Improper sizing in Craftsman-era chimneys. Those oversize terra-cotta flues in Bungalow Heaven and Prospect Park homes were never designed for a modern flexible liner. When a DuraFlex liner is installed without proper sizing or insulation, the draft suffers and creosote builds up even with light use. We fix that by evaluating the whole flue, not just the liner.
- Liner top damage from UV exposure and Santa Ana winds. The exposed top of a DuraFlex liner takes direct sun for months on end in Pasadena’s hot, dry summers, then gets hit with wind-driven debris during Santa Ana events. We frequently replace damaged top plates and caps on liners where the metal has degraded or the connection has worked loose.
- Crown cracks letting water into the liner system. A cracked crown on a pre-war chimney sends water down the outside of the DuraFlex liner, accelerating corrosion and washing mortar out of the flue. In Pasadena’s older brick chimneys, crown repair and repointing are usually needed before the liner itself can be properly assessed.
DuraFlex Service in Pasadena: What Local Conditions Mean for Your Equipment
Here’s what you need to know if you own a DuraFlex-lined chimney in Pasadena’s Landmark Districts. In Bungalow Heaven and other designated historic areas, exterior chimney repairs that alter the chimney crown or any visible masonry can trigger historic-preservation review. That means a DuraFlex liner installation that requires crown modification has to use mortar and brick that match the original 1910s profiles, not whatever the supply house had on the shelf. This step doesn’t apply in neighboring San Gabriel or DuraFlex repair in Altadena. We recently serviced a 1912 Craftsman bungalow in Bungalow Heaven with a DuraFlex Pro liner installed in the 1990s. The homeowner reported smoky backdrafts. Our Level 2 inspection found the liner had separated at a joint and the crown had cracked, letting water in. We replaced the damaged liner section with an OEM DuraFlex component, repointed the crown with color-matched mortar, and installed a new multi-flue cap, all done without triggering a historic review because we matched the existing profile exactly. That’s the kind of detail that matters when you live in a house that’s been standing for over a century.
DuraFlex Models & Products We Service in Pasadena
We service all the major DuraFlex product lines, including the DuraFlex Pro, DuraFlex Reline Kit, DuraFlex Insulated Liner, and DuraFlex Flexible Flue Liner. If you have an older DuraFlex system, we still carry or can source OEM components for most applications, and we’re straightforward about when an aftermarket part is the better value. For Pasadena homeowners, that means less waiting when a repair is straightforward, and an honest conversation when a full reline is the right long-term move. We stock common connectors, top plates, and caps for faster turnaround on typical East Pasadena DuraFlex service calls and throughout the area. And because we don’t stop at the liner, we handle the surrounding masonry work too: Level 2 inspections, relining, and mortar repointing are all part of what we do on a regular Pasadena service call.
See the difference
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AfterDuraFlex Service Pricing in Pasadena
Chimney sweeping in Pasadena typically runs $185 to $350, depending on the size of the flue and how much creosote and debris has built up. A Level 2 inspection, which we recommend whenever a DuraFlex liner hasn’t been looked at in a few years, adds $150 to $350. If the inspection finds liner damage, simple DuraFlex component replacements can run $400 to $1,200, while a full reline usually lands between $3,000 and $7,000 depending on flue height and access. Crown repair and mortar repointing, which are common needs in Pasadena’s older brick chimneys, typically add $500 to $2,500. Our estimates are free, and we include camera inspection findings with every quote so you can see exactly what we’re seeing. Call (877) 516-7159 and Allen will walk you through what a DuraFlex service call in Pasadena actually looks like.
Serving Pasadena, CA — Our Local Coverage Area
We’re based in the Pasadena 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 Pasadena
A permit is typically required for structural chimney modifications in Pasadena, and in Landmark Districts like Bungalow Heaven, exterior changes that affect the crown or visible masonry can also trigger historic-preservation review. The liner installation work itself often falls under the City of Pasadena’s building permit requirements when the flue is being altered. We handle the inspection and can advise on what your specific property will require before any work starts. Call (877) 516-7159 and describe your chimney; we’ll tell you what the Pasadena process looks like for your street.
Annually is the right interval for Pasadena, especially if your fireplace sees only sporadic seasonal use. Debris builds up in rarely used flues, and Pasadena’s dry-season heat cycles plus the occasional Santa Ana wind event put stress on liner tops and caps. A Pasadena Chimney Sweep yearly visual check plus a Level 2 inspection every few years catches joint separation and corrosion before it becomes a carbon monoxide risk.
It might be, but a 1990s DuraFlex liner has been in service for roughly 25 to 35 years, and in Pasadena’s older masonry chimneys we often find joint separation and moisture intrusion by that age. The liner needs an inspection, not an assumption. Book a Level 2 inspection and we’ll show you the camera footage so you can decide based on what’s actually there.
Yes, and we do it routinely. In Bungalow Heaven and Prospect Park, we match mortar color and brick profile to the original 1910s work so the repair doesn’t stand out and doesn’t trigger unnecessary historic review. This is standard practice for our Pasadena service calls, not an extra-cost specialty. Call (877) 516-7159 for a free estimate on repointing your chimney.
The DuraFlex Pro line uses a heavier-gauge stainless steel designed for higher-temperature applications and longer service life, while the standard DuraFlex Flexible Flue Liner is a lighter option suited to lower-duty venting. For most Pasadena wood-burning fireplaces, either can work, but the Pro holds up better in our seismic conditions and dry-heat cycles. We’ll tell you which one your chimney actually needs, not which one costs more.
Service Areas Near Pasadena
We service Pasadena and the surrounding communities, including San Gabriel, Altadena, and South Pasadena. For DuraFlex work in South Pasadena specifically, see our DuraFlex service in South Pasadena page. We also serve the broader Pasadena service area and can reach homes in the San Gabriel Valley quickly. If you’re further out in the high desert, our DuraFlex service in Yucca Valley page covers that region.
Book Your DuraFlex Service in Pasadena Today
We’re ready to inspect, clean, or repair your DuraFlex liner in Pasadena. A clean flue isn’t a luxury – it’s just how you keep the fire where it belongs. Call (877) 516-7159 for a free estimate, and we’ll schedule your service with Allen Prescott’s crew.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep. Allen grew up near the Kendall Drive corridor in San Bernardino and has spent nearly three decades servicing chimneys across the Inland Empire and Pasadena, with a focus on DuraFlex liner systems in historic homes.