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 Temple City, CA | Corona Chimney Sweep
We’re Corona Chimney Sweep, and we provide Temple City Chimney Sweep and independent DuraFlex chimney cleaning across the area, from the ranch tracts off Lower Azusa to the bungalows near Las Tunas. The thing that makes our DuraFlex work different here is that we’re not just running a brush through the stainless liner. We inspect the annular space between the liner and the original 1950s clay tile, because that’s where Temple City’s deferred-maintenance problems actually hide.
Call (855) 382-6159 for a free estimate on DuraFlex cleaning, inspection, or repair. We service the 91780 ZIP and surrounding San Gabriel Valley neighborhoods, including DuraFlex in San Gabriel.
Why Temple City Residents Choose Us for DuraFlex Service
We’ve pulled, inspected, and re-capped hundreds of DuraFlex liners in San Gabriel Valley ranch homes, including DuraFlex service in Rosemead. That experience matters because DuraFlex stainless systems behave differently than the original masonry flue they sit inside. You need someone who understands both. Most Temple City houses that got a DuraFlex reline in the 1990s or 2000s still have the original clay tile behind it, and the way those two materials interact over decades is where problems start.
We’re an independent service provider, not a DuraFlex dealer or authorized agent. That distinction matters more than people think. Our loyalty is to your flue, not a brand quota. If the liner is sound, we clean it and document its condition. If it’s failing, we say so plainly and show you the photos. Nolan Ferris, our owner, grew up in South Corona and learned combustion systems through Norco College’s vocational program before narrowing his focus entirely to chimneys. He’s methodical about creosote classification, and the crew follows that same standard on every job.
For Temple City homeowners, that means you get a straight answer about what your DuraFlex liner needs. DuraFlex sales & service work requires knowing the hardware inside and out, and we do.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Temple City
- Bottom joint and fitting corrosion. Mild, mostly rainless winters sound easy on a chimney, but they create a specific failure pattern in Temple City. When a fireplace sits idle for months, condensation lingers in the lower section of a DuraFlex liner instead of burning off. That moisture settles at the bottom joints and connector fittings, slowly corroding them. We find this on liners in houses where nobody has burned a fire in years.
- Insulation abrasion over original clay tile. A DuraFlex insulated liner gets pulled through rough, 50-plus-year-old clay tile during installation. Over time, the outer stainless wrap can abrade against those original tile edges. When we inspect a relined fireplace in a tract home off Las Tunas, we check for exposed insulation, because once that outer wrap is compromised, the liner’s thermal performance is too.
- Wind-lifted caps and loosened top plates. Santa Ana events hit Temple City with real force, and a loose DuraFlex termination will lift under sustained gusts. The top plate and cap seal loosen, and then birds, bees, and rats find their way in through the gap. We’ve pulled caps off liners where a full nest was blocking the flue directly below the termination point.
- Sagging or kinked liner sections in the smoke chamber. The ground under Temple City moves. It’s a fact of life in Southern California, and over 50 or 60 years, that settling shifts original clay tile inside masonry chimneys. Where a DuraFlex liner transitions through the smoke chamber, that offset can create a sag or kink in the stainless. The liner wasn’t installed wrong; the house moved around it. We check this on every inspection because it affects draft and can trap creosote.
- Failed top plate sealant from dry heat exposure. Temple City’s summer heat and dry air age silicone sealant faster than people expect. The top plate seal on a DuraFlex liner takes direct sun on the crown, and after a decade or so that sealant shrinks and cracks. Water gets in behind it. That’s how a liner that still looks fine from inside the firebox ends up leaking at the top.
DuraFlex Service in Temple City: What Local Conditions Mean for Your Equipment
Most Temple City ranch homes off Lower Azusa still have the original 1950s clay-tile flue behind whatever DuraFlex liner was dropped in during a 1990s or 2000s reline. On a recent North El Monte DuraFlex service call near Lower Azusa and Temple City Boulevard, we pulled the cap on a DuraFlex Pro liner installed years earlier and found the top plate silicone had failed completely. A wren had built a nest in the gap, blocking the flue. The homeowner hadn’t burned a fire in years. We swept the liner, replaced the top plate and cap screen with DuraFlex OEM parts, and re-sealed the crown edge where a hairline crack had let water in. That quiet kind of damage is exactly what we find on these mid-century tract homes. The takeaway for any Temple City homeowner with a relined fireplace: the stainless interior is only half the story. The annular space between liner and clay tile, and the seal at the top plate, are where deferred maintenance shows up first.
DuraFlex Models & Products We Service in Temple City
We service the full range of DuraFlex liners found in Temple City homes. That includes DuraFlex Reline Kits in 316L stainless, DuraFlex Pro liners in 316Ti stainless, DuraFlex Insulated Flex Liners, and DuraFlex Ovalized Liners used where the original flue shape makes a round liner impractical. When parts are needed, we use DuraFlex OEM top plates, caps, and connector components whenever available. The liner’s fit and warranty depend on matching profile and alloy, so we don’t substitute where it matters. For wear items like cap screens and clamps, we’ll use quality aftermarket equivalents when OEM is back-ordered. If we find a liner that’s dented, kinked, or showing insulation exposure, we recommend replacing that section rather than patching. A compromised flexible liner can’t be reliably re-sealed in place.
See the difference
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AfterDuraFlex Service Pricing in Temple City
DuraFlex chimney cleaning in Temple City typically falls between $180 and $340 for a standard sweep and basic inspection. If we’re adding a Level 2 video inspection to check a liner installed by a previous owner, expect to move toward the upper end of that range or slightly beyond, depending on access. Cap replacement with a DuraFlex OEM top plate and screen generally runs $250 to $500 installed. Full liner replacement costs vary widely based on height and access, and we never quote that without seeing the existing system first. A free estimate includes camera documentation of what we find, so you’ll see the condition before you decide on anything. Call (855) 382-6159 and we’ll walk the flue with you.
Serving Temple City, CA — Our Local Coverage Area
We’re based in the Temple City 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 Temple City
Yes, and that’s exactly the scenario where a Level 2 inspection earns its cost. A previous owner’s liner might be 20 years old, and you have no record of how it was installed or whether the original clay tile behind it was sound. The inspection uses a camera to document the liner interior, the annular space, and the top plate seal. If you can’t see daylight through the damper, we need to talk before you light that first fire of the season. Call (855) 382-6159 to set one up.
Look at the cap from the ground first. If it’s sitting off-level, the top plate underneath shifted. If you see bird activity around the crown, there’s a gap somewhere. The real confirmation comes when we pull the cap and inspect the seal and fasteners. Santa Anas loosen terminations over repeated seasons, and the fix is usually straightforward: re-seat the top plate, replace the sealant, and confirm the cap is secured to OEM spec. Call (855) 382-6159 and we’ll check it.
Yes, and in Temple City that’s common. The liner may not have much creosote, but it can have critter debris, deteriorated sealant, and corrosion at the bottom joints from decades of condensation. We’d start with a camera pass to see what’s in there, then sweep, then inspect again. The cleaning is still essential before any burn, because you don’t know what’s been living in there for 30 years. Call (855) 382-6159 and we’ll schedule it.
In some ways, yes. Less frequent burning means less thermal cycling and less creosote buildup. But dry heat also ages top plate sealant faster, and infrequent use lets moisture sit at the bottom joints instead of burning off. The mild climate doesn’t remove the maintenance obligation. It changes where the failures show up. A liner that’s never hot still corrodes if condensation sits in the bottom fittings. Call (855) 382-6159 for an annual check and we’ll track the actual condition over time.
Don’t burn anything until we inspect it. A kink in a flexible liner disrupts draft and can trap creosote. In Temple City, the cause is usually original clay tile that shifted with decades of ground movement, not a faulty liner. The fix depends on severity. Sometimes the section can be corrected; other times it needs replacement. Either way, it’s a repair call, not a cleaning add-on. Call (855) 382-6159 and we’ll camera the entire run and show you exactly what’s happening.
Service Areas Near Temple City
We serve Temple City and the surrounding San Gabriel Valley neighborhoods. Temple City service area coverage includes the 91780 ZIP and adjacent streets. We also handle DuraFlex service in Arcadia and DuraFlex service in South San Gabriel, plus work in Rosemead, El Monte, San Marino, and Alhambra. If you’re within reach of the San Gabriel Valley, we can get to your flue.
Book Your DuraFlex Service in Temple City Today
If you own a Temple City home with a DuraFlex liner and you can’t remember the last time anyone looked at it, start here. We’ll sweep it, camera it, and tell you straight what’s holding up and what’s fine. Call (855) 382-6159 and schedule a free estimate. If you can’t see daylight through the damper, we need to talk before you light that first fire of the season.
Written by Nolan Ferris, Owner at Corona Chimney Sweep, serving Temple City since the company’s founding.