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 Montclair, CA | Glendale Chimney Sweep
DuraFlex chimney cleaning in Montclair costs $189 – $340 for a standard sweep and Level 1 inspection, and we’re the independent shop that knows exactly what goes wrong with these liners in 1950s – 70s tract homes. The real difference here isn’t the soot. It’s the joint separation and top plate corrosion we find in original DuraFlex prefab systems that sat idle for decades. Our crews work throughout the 91763 ZIP code, and we see the same failure pattern on street after street: flex liners that settled, separated, and started rusting where nobody could see it. Call (833) 467-6493 for a free estimate. We handle DuraFlex sales & service without any manufacturer affiliation, so our recommendations are based on what your flue actually needs, not a brand quota.
Why Montclair Residents Choose Us for DuraFlex Service
Most chimney companies in Montclair can sweep a flue. Few can tell you whether the DuraFlex liner inside it is still safe, because they don’t work with the specific components often enough to recognize early failure. We do. Noel Tarkanian, our owner, grew up in the Montrose neighborhood of Glendale, where his family’s 1950s craftsman had a fireplace that demanded attention every winter. That’s what got him into chimneys in the first place, and he’s spent well over a decade since then inspecting and repairing them across Southern California, including DuraFlex in Claremont. When our crew opens a Montclair prefab fireplace, we’re looking for the specific problems DuraFlex systems develop after 40 or 50 years: corrosion at the joints, settled flex sections, and top plates that gave up years ago.
We use OEM DuraFlex parts when they’re available. When they aren’t, we tell you that upfront and use high-quality aftermarket components only for non-critical accessories, never for anything that affects draft or fire safety. Professional-grade materials, which we name because we stand behind them.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Montclair
Here’s what we typically find when we’re called to service DuraFlex systems in Montclair homes. None of these are rare here.
- Corrosion at liner joints from acidic soot plus moisture. Montclair’s dry climate means fireplaces get used maybe a dozen times a year, and when they do burn, the soot sits. Combine that with occasional winter rain getting past a failed top plate, and the stainless sections start corroding right at the seams. A sweep alone won’t fix this. It needs a camera inspection to catch it early.
- Cracked or separated stainless sections from thermal cycling and Santa Ana winds. Santa Ana events shake and flex everything on a roof, and liners that were installed in the 1960s or 70s have been through hundreds of those cycles. The expansion and contraction from rare hot fires followed by long cold stretches works the joints loose over time.
- Failed top plates and caps letting water into the flue. This is the one that shows up as a ceiling stain in the living room after a rare Montclair rain. The homeowner thinks roof leak. We find a rusted DuraFlex top plate and a cap that hasn’t sealed in years.
- Disconnected or misaligned liner sections in original prefab fireplaces. Especially in the tract homes built between the 1950s and 70s. The original installs were sometimes barely secured, and decades of minor ground movement in the Pomona Valley soils have pulled sections apart. You can’t see it without a camera.
- Soot and debris from disuse rather than creosote buildup. Montclair homeowners rarely have the thick, tarry creosote you see in colder climates where people burn every night. What we do find is dust, spider webs, bird nesting material, and decomposed soot from the last burn two winters ago. We remove all of it before we assess the liner.
DuraFlex Service in Montclair: What Local Conditions Mean for Your Equipment
Here’s the thing about Montclair that generic chimney pages miss entirely. The city’s housing stock is overwhelmingly post-WWII and 1960s – 70s single-story tract homes, most built with original masonry fireplaces and clay-tile flues. The DuraFlex prefab systems we service are sitting inside homes where the fireplace was rarely the primary heat source, unlike the heavier-use systems we see with DuraFlex service in Ontario, because the Pomona Valley has hot, dry summers and mild winters. That sounds like good news for the chimney, but it isn’t. The same dry summer heat that keeps fireplaces idle also cooks the mortar crowns and dries out the flashing around the chimney chase. After a rare winter rain, water finds its way in, and the first sign is usually a brown stain on the living room ceiling, often years before anyone thinks to call a sweep. By then, the DuraFlex liner joints have been rusting quietly. A chimney cleaning in Montclair often turns into a liner assessment, because the real issue isn’t soot. It’s whether decades of disuse and a few hard rains have compromised the flue. We check the crown and flashing closely on every Montclair call, because that’s what this specific housing stock demands.
DuraFlex Models & Products We Service in Montclair
We service the full range of DuraFlex products installed in Southern California homes, from DuraFlex service in Upland to the coast. That includes the DuraFlex Stainless Steel Chimney Liner in round configurations, DuraFlex Insulated Flexible Liner Kits used in retrofit applications, DuraFlex Prefab Fireplace Chimney Systems found in many original Montclair tract installs, and DuraFlex Oval/Vent Liners for tighter flue spaces. We stock common OEM DuraFlex components locally, so most repairs don’t wait on a parts shipment. When a liner is past the point of safe repair, we’ll tell you that plainly and recommend replacement, rather than patching something that’ll fail again in two seasons. Honest assessment saves you from recurring issues, and from paying twice for the same repair.
See the difference
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AfterDuraFlex Service Pricing in Montclair
Standard chimney sweeping with a Level 1 inspection runs $189 – $340 in Montclair, and DuraFlex prefab systems fall within that range unless we’re adding a camera inspection. A Level 2 inspection, which we recommend before any home sale or after any suspected liner issue, runs $350 – $600 and includes full video documentation of the flue interior. Cap installation runs $150 – $400 depending on the DuraFlex system and roof access. Crown repair typically runs $400 – $900. What drives the cost here is access: single-story tracts are straightforward, but second-story chase access and steep roof pitches add time. Every estimate includes a written breakdown before we start, and we don’t recommend anything we can’t show you on camera. Call (833) 467-6493 for a free estimate on DuraFlex service in Montclair, or see our DuraFlex repair in La Verne if you’re further west.
Serving Montclair, CA — Our Local Coverage Area
We’re based in the Montclair 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 Montclair
Book a Level 2 camera inspection before listing. Montclair buyers in 1960s tracts often have home inspectors flag prefab fireplaces, and the most common findings are separated liner joints and rusted top plates, problems that sit hidden for decades because these fireplaces see so little use. We give you a written report with video, so you can show buyers exactly what’s there. A clean inspection report moves the sale forward. Call (833) 467-6493 and we’ll schedule it.
Because water is getting to it from above, and Montclair’s dry heat speeds up the corrosion cycle once the protective coating is compromised. The cap usually fails because the top plate underneath it wasn’t sealed properly, or the crown has cracked enough to let water pool. We replace the top plate and cap with OEM-style parts and address the crown so the next cap doesn’t meet the same fate. Call (833) 467-6493 for an inspection, and we’ll show you exactly where the water is coming from.
Maybe, but you won’t know without a camera. A 1980s DuraFlex liner in a Montclair home has been through 40-plus years of dry heat, Santa Ana winds, and rare hard rains. The stainless steel itself may be fine, but the joints, top plate, and cap are the usual failure points. We inspect the entire length with a video camera and tell you straight what’s serviceable and what isn’t. If it’s compromised, we recommend replacement with a current DuraFlex insulated liner kit. Call (833) 467-6493 for a Level 2 inspection.
Yes, when OEM DuraFlex parts are available, those are what we install. We’re an independent service provider, not a DuraFlex dealer or authorized affiliate, which means we choose parts based on fit and safety rather than brand obligation. For non-critical accessories, we’ll use high-quality aftermarket components if they perform as well. For anything that affects draft, fire safety, or structural integrity, we spec OEM. Call (833) 467-6493 and we’ll tell you exactly what your repair needs.
Yes, and in Montclair the reason is less about creosote and more about what moves in when the fireplace sits idle. Birds, insect nests, and debris accumulate in unused chimneys. More critically, the liner joints and top plates in older DuraFlex prefab systems deteriorate over time whether you burn or not. An inspection now costs less than a water-damaged ceiling or a failed home inspection later. A clean chimney isn’t a luxury, it’s just basic fire safety. Call (833) 467-6493 for a free estimate.
Service Areas Near Montclair
Beyond our Montclair coverage in 91763, we provide DuraFlex chimney service in Glendale, Silver Lake, Burbank, Echo Park, Hollywood, and La Cañada Flintridge. If you’re in a neighboring community and need DuraFlex-specific inspection or repair, we can likely help. For homes just over the county line, see DuraFlex service in Los Serranos. For the Inland Empire side, check DuraFlex service in Chino. Full details on our broader reach are on the Montclair service area page.
Book Your DuraFlex Service in Montclair Today
If your Montclair home has a DuraFlex prefab fireplace that hasn’t been inspected in years, now’s the time. We’ll camera the full liner, show you exactly what we find, and quote any repair before work begins. Call (833) 467-6493 for a free estimate. Let’s get your flue ready before the next buyer or the next winter, whichever comes first.
Written by Noel Tarkanian, Owner at Glendale Chimney Sweep, serving Montclair with independent DuraFlex chimney inspection, cleaning, and repair.