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 | Imperial Chimney
We clean and service DuraFlex stainless steel chimney liners throughout Pasadena, including South Pasadena DuraFlex service, and we do it as an independent provider, not a manufacturer affiliate. What makes our work different here is that we understand how Pasadena’s century-old chimneys and historic preservation rules interact with modern liner systems. If you have a DuraFlex liner in a Craftsman bungalow or Period Revival home, call (866) 253-3809 and we’ll take a straight look at it.
Why Pasadena Residents Choose Us for DuraFlex Service
DuraFlex liners show up in a lot of Pasadena chimneys because they solve a real problem: old clay tile flues that have cracked and spalled. But a liner only works as well as the person maintaining it. Noel Carrasco, who leads our team, grew up in Koreatown and trained in the HVAC and building systems program at Los Angeles Trade-Technical College. An instructor there pulled him toward chimney work, and he’s been inspecting and cleaning flues across the LA basin for close to two decades. That’s the background behind our approach to DuraFlex service: we don’t just run a brush through and call it done. We look at the liner, the termination, the crown, and the connection points, then tell you what we found. If it’s in the flue, we’ll tell you straight, no upsell, no vague “concerns.”
Pasadena homeowners tend to be particular. They own old houses with original masonry, and they want the work done without cutting corners or defacing the architecture. We match that expectation. Our DuraFlex sales & service work covers the full range of what these liners need, from routine creosote removal to Level 2 inspections to cap installation and liner repair.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Pasadena
These are the issues we see most often with DuraFlex liners in Pasadena homes:
- Pinhole corrosion from spalled clay tiles. Many Pasadena chimneys built between 1890 and 1930 have single-wythe brick and clay tile flue liners that have cracked and deteriorated over a century of heating cycles. When a DuraFlex liner sits tight against those spalled edges, the stainless steel abrades over time. We find pinholes developing in liners that looked fine from the outside.
- Oversized liners in narrow hand-built flues. Bungalow Heaven and other Craftsman neighborhoods have chimneys built by hand, and no two are exactly the same dimensions. A DuraFlex liner that was sized too generously leaves a wide annular space that doesn’t draft well and collects creosote faster. We see this constantly in 1910s and 1920s homes where a previous contractor installed a liner based on a guess rather than actual measurements.
- Debris and animal intrusion packed against the liner corrugations. The mature deodar cedars and oaks that shade Pasadena’s older neighborhoods drop needles and leaves onto roofs year-round. Squirrels find their way into uncapped or damaged terminations. We pull nests and leaf litter out of flues where the debris has compacted against the liner’s ribs, choking off draft ahead of the first fall fire.
- Rust at the cap connection after Santa Ana events. Santa Ana winds drive dust and moisture into top-mounted terminations. The connection where the cap meets the liner is the first place we see surface rust starting, especially on homes along the wind-exposed streets near the Rose Bowl and the Arroyo Seco corridor.
- Creosote glaze in liners that sit idle for months. Mild Pasadena winters mean chimneys go unused from spring through early fall. What looks like light buildup in April turns into a hardened, shiny glaze by October. That glaze bonds to the liner wall and takes more than a standard brushing to remove properly.
DuraFlex Service in Pasadena: What Local Conditions Mean for Your Equipment
Here’s something specific to Pasadena that you won’t hear from a generic chimney company: Pasadena’s historic preservation ordinances restrict exterior alterations to chimneys on designated landmark properties. That means when a DuraFlex liner in a historic home needs replacement, we often can’t simply swap in a standard off-the-shelf termination. The crown profile and cap style have to match what was originally there, or at least what the city’s design review board will accept. We’ve done replacements in Bungalow Heaven where the solution was a custom-fabricated multi-flue cap that kept the original clay tile crown intact and passed the neighborhood’s review process. In nearby communities like San Marino DuraFlex service areas, nobody would bat an eye at a standard cap. In Pasadena, that standard cap can get a homeowner flagged. We know how to plan around it before the work starts, not after the inspector shows up.
We recently serviced a 1912 Craftsman bungalow in Bungalow Heaven with an original single-wythe brick fireplace and a DuraFlex SW liner installed about ten years ago, and we also handle DuraFlex repair in Altadena. The liner had pinhole corrosion from years of abrasive soot against spalled clay tiles, and a squirrel nest blocked the top. We removed the nest, replaced the damaged section with a new DuraFlex Pro liner segment, and installed a custom multi-flue cap that satisfied the neighborhood’s historic guidelines. The homeowner can now safely enjoy fires during the Santa Ana season.
DuraFlex Models & Products We Service in Pasadena
We service the full DuraFlex flexible liner family: DuraFlex SW (smooth wall), DuraFlex Pro (double wall), DuraFlex Insulated, and DuraFlex Oval. On every job we use OEM DuraFlex components for critical connections because that preserves the proper fit and UL listing. For ancillary items like caps and flashing, we’ll use quality aftermarket parts when they meet our durability standards. We stock common liner segments and termination components locally so Pasadena turnaround is fast when a repair is straightforward. If a liner has corrosion or damage that compromises safety, we’ll tell you it needs replacement rather than patching it and hoping for the best.
See the difference
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After
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Before
AfterDuraFlex Service Pricing in Pasadena
| Service | Typical Range |
|---|---|
| DuraFlex chimney cleaning & basic inspection | $180 – $350 |
| Level 2 inspection with camera | $250 – $500+ |
| Creosote removal (glazed / heavy buildup) | $350 – $900 |
| Cap installation or replacement | $250 – $700+ |
| Liner section replacement | $1,000 – $3,500+ |
Pasadena pricing depends on three things: accessibility, liner condition, and what we find during the inspection. A narrow flue in a 1920s Craftsman takes longer to clean properly than a straight mid-century chimney. A free estimate covers the visual and camera assessment of your liner’s condition. Call (866) 253-3809 and we’ll schedule a visit to your Pasadena home.
Serving Pasadena, CA — Our Local Coverage Area
We’re based in the Pasadena area and know this community well, including East Pasadena DuraFlex service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in Pasadena
Yes. A Level 2 inspection includes a camera run through the full liner length, and we pay specific attention to the top termination where wind-driven debris and moisture hit first. After a Santa Ana event is a good time to check. Call (866) 253-3809 to book an inspection.
Yes. Narrow hand-built flues are exactly what we deal with regularly in Pasadena’s Craftsman neighborhoods. We use flexible rods and appropriately sized brushes so the liner gets cleaned without scraping the stainless or forcing debris down. The cleaning takes longer than a wide modern flue, but it’s routine work for us.
It can. If your home is in a designated historic district or landmark property, exterior changes like the cap or crown profile may require design review. We’ve handled replacements in Bungalow Heaven where the cap had to be custom-matched to the original clay tile crown. We plan for that before ordering parts, which saves you time and a rejection from the city’s review board.
It depends on the existing flue condition and how you use the fireplace. DuraFlex SW works well when the clay tile is intact enough to provide support. DuraFlex Pro or Insulated makes more sense when the original tile is severely spalled or when clearance to combustibles is a concern. We’ll measure the flue, inspect the existing liner and tile, and recommend what fits your specific chimney rather than defaulting to whatever’s on the truck. Call (866) 253-3809 for a free estimate.
Once a year is the baseline, but the timing matters. Because Pasadena chimneys sit idle through spring and summer, debris and nests build up ahead of the first fall burn. We recommend scheduling your sweep in September or early October, before the Santa Ana fire season peaks. If you burn more than a couple times a week, twice a year is safer. Call (866) 253-3809 and we’ll help you set a schedule that matches how you actually use your fireplace.
Service Areas Near Pasadena
Our Pasadena service area work takes us into the surrounding communities regularly. We also provide DuraFlex service in Burbank, Studio City, and South Gate, where many homeowners face the same combination of older chimneys and newer liner systems. Looking for something closer to the coast? See our DuraFlex service in Santa Monica. To the south, we cover DuraFlex service in West Rancho Dominguez as well.
Book Your DuraFlex Service in Pasadena Today
Whether you need a routine cleaning, a Level 2 inspection, or a liner repair, call Imperial Chimney at (866) 253-3809. We’ll schedule your Pasadena visit, give you a straight assessment, and tell you exactly what the camera shows before recommending any work.
Written by Noel Carrasco, Owner at Imperial Chimney, serving Pasadena’s historic homes and DuraFlex liner systems across the LA basin.