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 Alhambra, CA | Hickory Chimney Sweep
We provide independent DuraFlex chimney cleaning and repair across Alhambra, including the 91801, 91803, and 91804 ZIP codes. Here’s what sets our Alhambra work apart: most chimneys in this city were built between 1920 and 1955 with original clay flue tiles, and the 1987 Whittier Narrows earthquake left countless caps loose or missing. So when we service a DuraFlex liner in Alhambra, we’re rarely just sweeping, we’re checking whether that liner is still properly anchored to a chimney that’s shifted over four decades. Call (855) 554-2841 for a free estimate.
Why Alhambra Residents Choose Us for DuraFlex Service
Ruben Acosta, our owner, grew up a few blocks from Mariachi Plaza in Boyle Heights and has spent more than two decades sweeping and inspecting chimneys across East Los Angeles and the San Gabriel Valley. He learned duct and flue work at East Los Angeles College, where an instructor hammered home that flue integrity, not just creosote removal, is where real fire safety lives. That’s the lens we bring to every DuraFlex job in Alhambra.
We’re not a manufacturer-authorized shop. We’re independent, which means we tell you what your DuraFlex liner needs, not what a sales program pushes. Our crew has worked on DuraFlex sales & service systems in Alhambra’s Spanish Colonial and California bungalow homes long enough to know exactly how these liners fail here: thermal cycling, seismic micro-shifts, and moisture working into old mortar. We stock OEM DuraFlex clamps, top plates, and connectors, and when an aftermarket cap or clamp meets or beats original spec, we’ll use that instead and tell you why.
The Alhambra homeowner with a wood-burning fireplace or gas insert wants the job done right the first time, and wants a straight answer when something’s wrong. That’s what we deliver. No upsell, no scare-sell. Just a clear read on your flue and a plan to fix what needs fixing.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Alhambra
Here’s what actually goes wrong with DuraFlex systems in this city, based on years of service across Alhambra service area homes:
- Cracked or separated liner seams. Alhambra’s older masonry chimneys shift subtly with ground settling and minor seismic activity. Over years, that movement stresses the welded seams on a DuraFlex SS liner. We find separated seams most often on chimneys built before 1950, where the original clay tiles beneath the liner have cracked and no longer provide a stable substrate.
- Corrosion at the liner-to-cap connection. Alhambra gets occasional winter storms that drive rain into aged mortar joints. When water sits at the top plate where the DuraFlex liner meets the cap, you get corrosion. It’s slow, but on a 1990s-era liner, it’s often the reason a cap replacement turns into a connector replacement too.
- Insulation blanket degradation. Many local DuraFlex liners were installed with insulating blanket kits, per code for wood-burning applications. When original clay tiles spall and crumble behind the liner, the insulation can tear or compress. We see this in Alhambra’s shallow fireboxes, where the heat is more concentrated and the surrounding masonry is thinner than in newer construction.
- Liner crushing or misalignment. When the original clay flue tiles crack and shift from decades of settling, a flexible DuraFlex liner can get pinched or pulled out of round. This is common in the 1920s-1930s bungalows south of Main Street, where original chimneys were built for occasional fires, not the gas log sets now installed.
- Loose or missing caps from the 1987 earthquake. After Whittier Narrows, a lot of Alhambra homeowners never got their chimney caps replaced. That open flue lets in rain, birds, and debris. When we clean a DuraFlex liner under one of those caps, we often find debris packed against the top plate, which accelerates everything else on this list.
DuraFlex Service in Alhambra: What Local Conditions Mean for Your Equipment
Here’s the thing about Alhambra specifically: the 1987 Whittier Narrows earthquake shook loose mortar and chimney caps throughout the city, and close to forty years later, a good number of those caps were never put back. That’s not true across the county. In South Pasadena or Monrovia, you’ll find more post-1960s construction with caps that were factory-installed and sealed. In Alhambra, the pre-war Spanish Colonial and bungalow stock means the chimney on your street may still have the same hand-built clay cap it had when someone nailed shingles over the original roof. What that means for DuraFlex owners here: a routine chimney cleaning in Alhambra routinely turns into a cap replacement, because a DuraFlex liner cannot protect the home if the top of the flue is open to weather and animals. We do not pad the job, we show you photos. But if your cap is missing or your top plate is rusted, we’ll say so and we’ll fix it before it becomes a liner failure.
DuraFlex Models & Products We Service in Alhambra
We service the full DuraFlex product family we see in Alhambra homes: the SS liner kits, Pro flexible chimney liner, insulating blanket kits, and both round and oval flue liners. Most local installations from the 1990s and early 2000s are Pro liners, while newer relines in the last ten years often use the SS kits with an insulation wrap. We carry OEM DuraFlex top plates, connector sections, and clamps in our trucks for same-visit repairs where possible. For caps, we recommend what fits the flue and the house, not what’s fastest to grab off a shelf.
See the difference
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AfterDuraFlex Service Pricing in Alhambra
Chimney cleaning and DuraFlex inspection in Alhambra typically runs between $189 and $249 for a single-flue home. When we find damage that needs repair, small items like cap replacement or a top plate connector usually add $150 – $400. Repointing mortar around the crown, a common need on Alhambra’s 1920s-1940s chimneys, generally runs $75 – $150 per section, and those sections add up on a two-story Spanish Colonial. Every job starts with a free phone or site estimate where we tell you what we see, what it costs, and what can wait. Call (855) 554-2841 and we’ll give you a straight number.
Serving Alhambra, CA — Our Local Coverage Area
We’re based in the Alhambra area and know this community well, from here to DuraFlex service in San Marino. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in Alhambra
Every year. A 1990s DuraFlex liner in an Alhambra chimney has already been through three decades of thermal cycling, some seismic movement, and at least a few winter storms. Annual inspection catches seam separation and top plate corrosion before they become a chimney fire or carbon monoxide risk. If you haven’t had it looked at in a few years, call (855) 554-2841 and we’ll get you on the schedule.
Yes. The earthquake shook loose mortar and dislodged or cracked hundreds of chimney caps across Alhambra. Many were never repaired or replaced. We still find homes with open flues or mismatched caps that never went back on straight. If your cap is original to the house or older than you are, it’s worth a ten-minute look.
Because the problem isn’t always heat or creosote. In Alhambra’s older homes, the original clay flue tiles behind the DuraFlex liner crack and settle, which can pinch, crush, or pull the liner out of alignment. That’s a structural issue, not a usage issue. When the substrate fails, the liner often needs to be replaced or re-secured, even if you only burn fires twice a year. Call us at (855) 554-2841 and we’ll inspect it properly.
We can, in most cases. Spalling on the exterior masonry does not touch the DuraFlex liner itself. We repoint mortar joints, replace individual bricks where needed, and resurface the crown to stop water from getting behind the liner’s insulation. Full chimney rebuilds are rare. What matters is whether the structural core is still sound, and we’ll show you exactly what we see before any work starts.
For a Spanish Colonial with its characteristic shallow firebox and hand-finished cap, a multi-flue cap on a galvanized or stainless base is the right call. It needs to shed rain without trapping heat and it needs to sit flush on the DuraFlex top plate. We match the cap to the flue diameter, not the other way around, so it actually seals. A loose cap is no cap, and Alhambra has enough loose caps already.
Service Areas Near Alhambra
We cover Alhambra and the surrounding communities, including East Los Angeles, Monterey Park, San Gabriel, South Pasadena, and Rosemead. If you’re just outside Alhambra, we also provide DuraFlex service in Florence-Graham and DuraFlex service in Downey. Same crew, same DuraFlex expertise, same straight answers.
Book Your DuraFlex Service in Alhambra Today
If your Alhambra chimney has a DuraFlex liner that hasn’t been looked at in years, or you know the cap is shot and the flue is open, call (855) 554-2841. We’ll schedule a sweep and inspection, show you what we find, and give you a straight quote for anything that needs fixing. We’re here year-round, not just before winter.
Written by Ruben Acosta, Owner at Hickory Chimney Sweep, serving Alhambra, DuraFlex repair in San Gabriel, and the wider San Gabriel Valley.