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 South Pasadena, CA | Santa Ana Chimney Sweep
We provide independent DuraFlex chimney cleaning and repair across South Pasadena, and the work here is different from neighboring cities because so many of these homes sit in historic districts where the visible chimney silhouette is protected. What separates our DuraFlex service in South Pasadena is that we know how to sweep, re-seat, and repair these liners without disturbing century-old brick, fragile terra-cotta caps, or the corbeled details that trigger Preservation Commission review. If you own a Craftsman bungalow with a DuraFlex liner, call (855) 341-9658 for a straight answer on its condition.

We’re DuraFlex sales & service specialists in the practical sense: we work on these systems every week. We source OEM liners, top plates, and caps, and we install them correctly in older masonry. We are not authorized, sponsored, or endorsed by DuraFlex, and we’ll say so plainly when a system needs repair versus replacement.
Why South Pasadena Residents Choose Us for DuraFlex Service
Allen Becerra, who leads our crew, grew up in the historic neighborhoods of Orange County and spent years learning how old masonry behaves before he ever touched a chimney. That background matters in South Pasadena, where an 1885 Victorian on El Centro or a 1920s Arts & Crafts bungalow off Raymond won’t tolerate the same aggressive sweeping techniques a mid-century ranch in Alhambra DuraFlex repair might. We name the materials we use and why they matter, because a DuraFlex liner seated inside a failing single-wythe clay flue needs a different hand than one running straight up a modern chase.
Homeowners call us because we’re a full-service chimney and vent company, not a sweep-only operation. Sweep, repair, reline, handled by the same crew. If a cleaning uncovers a cracked crown or a shifting liner, we can fix it on the spot. That keeps South Pasadena residents from juggling two contractors and a Preservation Commission submittal that neither one understands fully. We’re also licensed and insured, and we’ll show you what we find with a camera before recommending any work.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in South Pasadena
- Shifting liners inside cracked clay flues. Many South Pasadena homes still carry the original single-wythe clay tile flue from 1910 or 1920. When those tiles crack and spall, a DuraFlex flexible liner that was once supported suddenly shifts. The result is uneven heating, exposed seams, and accelerated wear. We routinely catch this during a Level 2 inspection before it becomes a fire-safety concern.
- Top plates lifted by Santa Ana winds. South Pasadena gets real wind events in the fall, and over time those gusts work on the mechanical connection between the DuraFlex top plate and the chimney crown. Once that seal loosens, rain and debris drop straight down onto the liner crown. On the Raymond Hill streets especially, we re-seat loose top plates and reseal them every season.
- Degraded insulation wrap after idle summers. A chimney that sits untouched from April through October undergoes a specific kind of neglect. Then holiday fires come, and the DuraFlex insulation wrap gets slammed with heat cycling it hasn’t seen in months. Over a few winters, that wrap can break down, leaving the liner in direct contact with failing mortar. We’re specific about this because we see it in South Pasadena differently than we do in coastal areas with cooler year-round weather.
- Corrosion at liner joints behind gas log sets. Gas logs and inserts produce condensate, not just heat. When a DuraFlex liner was installed behind a gas set and the joint at the appliance collar wasn’t perfectly seated, moisture pools over wet winters and eats at the stainless steel. We inspect these joints closely because a corroded collar is often repairable, not a full liner replacement.
- Nests and debris packed against the top plate. On mature-tree streets like the El Centro blocks, squirrel nests are common, and they don’t just block airflow, they trap moisture against the top plate and crown. We’ve pulled nests out from behind DuraFlex caps and found cracked crowns underneath. The cleaning fixes the airflow, but the crown repair is what keeps the chimney dry.
DuraFlex Service in South Pasadena: What Local Conditions Mean for Your Equipment
South Pasadena is one of the few cities in the San Gabriel Valley where a chimney cap change can trigger design review. The city’s Historic Preservation Commission governs exterior changes on contributing Craftsman and Arts & Crafts homes within the historic districts, and a chimney is exterior. That means when a DuraFlex liner needs a new cap or the crown needs repointing on a 1912 bungalow off San Pasqual, we can’t just bolt on a modern multi-flue cap. The visible silhouette has to stay close to the original: low-profile, matching terra-cotta or painted metal where appropriate, nothing that reads as new construction. Neighboring cities like Alhambra and Pasadena DuraFlex service areas mostly don’t have that constraint. It changes which DuraFlex top plate assemblies we recommend and how we finish the visible cap above the liner. We’ve done enough of these in South Pasadena to know what will clear a Preservation Commission review and what will get a homeowner flagged.
DuraFlex Models & Products We Service in South Pasadena
We work on DuraFlex stainless steel flexible chimney liner kits in round and oval profiles, the insulation wrap systems, chimney caps and top-plate assemblies, and the pre-fabricated chimney and venting components installed in many of the mid-century additions behind South Pasadena’s original bungalows. When a liner, cap, or top plate needs replacing, we use DuraFlex-spec OEM parts whenever the system can be matched. Where an OEM part is no longer produced, we turn to quality aftermarket fittings and tell you that’s what we’re doing. We stock the most common liner diameters, top plate sizes, and cap profiles locally, which means a faster turnaround for South Pasadena jobs than ordering from a distant distributor.
See the difference
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AfterDuraFlex Service Pricing in South Pasadena
A standard DuraFlex chimney cleaning in South Pasadena typically runs $180 to $340, depending on the liner condition, accessibility, and whether the flue serves a fireplace, insert, or gas log set. If your chimney has a second flue, a mid-century addition, or heavy creosote, expect the upper end of that range. A Level 2 camera inspection, which we strongly recommend for any home with an older DuraFlex liner, adds $125 to $200. Crown repair and repointing starts around $350 and increases with the extent of damage. Re-lining a chimney with a new DuraFlex system typically ranges from $2,500 to $5,000, and in South Pasadena’s historic districts, matching the cap and crown silhouette can add to that total. Our estimates are free, and we’ll show you exactly what’s wrong before you spend anything. Call (855) 341-9658.
Serving South Pasadena, CA — Our Local Coverage Area
We’re based in the South Pasadena area and know this community well, including nearby San Marino DuraFlex service calls. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in South Pasadena
Yes, we check the liner with a Level 2 camera inspection, looking specifically for joint separation, corrosion at the appliance collar, tears in the stainless, and shifting against the original clay flue. In South Pasadena’s older housing stock, the most common failure is the liner shifting as the century-old clay tile behind it cracks. If you haven’t had it inspected since purchase, call (855) 341-9658 and we’ll give you a straight report.
It can, if your home is a contributing structure in one of South Pasadena’s Historic Preservation Commission districts and the cap change alters the visible chimney silhouette or the exterior design. In practice, we keep the original terra-cotta cap look or match a low-profile DuraFlex cap that reads as period-appropriate, which usually clears review without a hearing. We’ll tell you before we order anything.
Two reasons we see regularly: thermal cycling from long idle summers followed by heavy holiday fires, and condensate pooling behind gas log sets and inserts over wet winters. Both stress the joint connections, and once a joint opens, it’s a path for moisture and flue gases to escape. We inspect joints during every cleaning and can often re-seat a failing joint before it becomes a liner replacement.
Yes, and these are actually the installations where joint corrosion shows up fastest, because gas combustion produces water vapor that condenses inside the liner. We sweep, camera-inspect, and repair DuraFlex liners behind gas sets in South Pasadena regularly. If you haven’t had yours inspected since the last owner put it in, call (855) 341-9658.
We do it carefully, and we don’t use aggressive power-roto tools on chimneys where the crown mortar is already crumbling or the terra-cotta cap has spalled. A properly sized brush, gentle passes, and visual inspection as we go will clean the liner without worsening the cap or crown. Then we’ll show you what the crown actually needs, and you decide from there.
Service Areas Near South Pasadena
Our crews work throughout the San Gabriel Valley and beyond. In addition to South Pasadena service area coverage, we handle DuraFlex service calls in La Habra, Cerritos, La Mirada, East La Mirada, Portola Hills, and Aliso Viejo. We also provide DuraFlex service in Palos Verdes Estates, where coastal moisture creates its own set of joint corrosion problems, and DuraFlex service in Riverside, where wind-driven debris and hotter summer idle cycles take their toll differently.
Book Your DuraFlex Service in South Pasadena Today
We know DuraFlex liners in South Pasadena’s old masonry, and we don’t upsell what your chimney doesn’t need. On the El Centro blocks a while back, we opened a 1912 Craftsman whose original clay flue had been re-lined years ago with a DuraFlex flexible stainless liner. A squirrel nest packed against the top plate had pushed moisture into a cracked crown. Our tech cleared the nest, swept the liner, re-seated the loosened DuraFlex top plate, and repointed the crown and cap to match the original silhouette, so it wouldn’t trip historic-district design review. The homeowner got a working flue and a chimney that still looks like the neighborhood. A clean flue isn’t a luxury, it’s what separates a working fireplace from a fire hazard. Call (855) 341-9658 for a free estimate.
Written by Allen Becerra, Owner at Santa Ana Chimney Sweep, serving South Pasadena and the surrounding communities.