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 Westminster, CA | Brownstone Chimney Sweep
We provide independent DuraFlex chimney cleaning and repair across Westminster, CA, with service focused on the 92683, 92684, and 92685 ZIP codes. The one thing that makes our DuraFlex work here different: most Westminster chimneys we open aren’t burning wood at all. They’re gas-converted ranch flues from the 1950s through 1970s, and the real job is confirming the vent is safe or clearing out what Santa Ana winds pushed in. Call (866) 253-8489 for a straight answer about your setup.
We’re Brownstone Chimney Sweep, a dedicated chimney and vent specialist. DuraFlex liners, caps, and top-sealing dampers show up all over Westminster’s older tracts, and we service them every week. We’re not manufacturer-affiliated or authorized by DuraFlex. We diagnose and repair their components on the merits, using genuine parts where they make sense and quality aftermarket stainless when a profile’s been discontinued. If you’re in Westminster and your DuraFlex system hasn’t been looked at in years, that’s exactly the kind of job we handle.
Why Westminster Residents Choose Us for DuraFlex Service
Westminster’s housing stock is mostly single-story ranch and stucco tract homes built between the 1950s and 1970s. Many of those original masonry fireplaces got retrofitted with gas inserts, capped off entirely, or lined with DuraFlex stainless when the clay tiles behind them started failing. None of that work is one-and-done. The liner, cap, and damper all need periodic inspection, especially when a fireplace sits unused through our mild winters and Santa Ana season fills uncapped flues with palm fronds and roof rat nests.
Ruben Archuleta, our owner and lead sweep, grew up in East Los Angeles and learned the trade from older craftsmen who taught him one thing that stuck: a chimney problem rarely announces itself until it’s already serious. That’s why we approach every Westminster DuraFlex job the same way. We open it, we look, we tell you what we found. No upsell, no alarm bells. The brands your chimney technician trusts, DuraFlex included, last longer when someone catches the small stuff before it becomes a liner replacement.
We fit genuine DuraFlex replacement caps, dampers, and connectors where the existing system is a current profile. When a discontinued DuraFlex profile makes OEM parts unavailable or overpriced, we use quality aftermarket stainless components that match the spec. We repair what’s repairable. If your liner is sound, we fix the cap or damper rather than pushing a full reline. That’s the whole approach.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Westminster
Here’s what we actually find when we open DuraFlex systems in Westminster. If any of these sound familiar, call (866) 253-8489.
- Palm frond and leaf debris packed into the liner corrugations. Santa Ana gusts drive dry leaf litter and palm fronds straight down into uncapped flues. If your DuraFlex cap is missing or the screen got torn out by rats, that debris lodges in the liner’s corrugated profile and restricts draft. We vacuum it out and replace the cap so it doesn’t happen again next wind season.
- Top-sealing damper gaskets that dried out and stopped seating. On Westminster flues that sit unused for years, the rubber gasket on a DuraFlex top-sealing damper loses its flexibility. The damper hangs slightly open, leaking conditioned air into the chimney chase and letting warm air escape. We replace the gasket or the damper assembly, depending on condition.
- Liner joints pulled loose after a gas insert retrofit. When an original clay-tile flue was cracked and moisture got behind the liner, the stainless joints and bottom connector at the firebox can corrode or pull apart. That’s a venting hazard for gas appliances. We secure or replace the connector and confirm draft with a proper inspection.
- Crushed or dislodged cap screens packed with nesting material. Roof rats in Westminster’s older neighborhoods love a warm flue. They climb in through damaged screens, build nests on top of the DuraFlex liner, and block the vent. We clear it, then replace the screen or the full cap if the frame is bent.
- Debris loading on the cap mesh restricting draft. Even without a full nest, years of wind-blown debris can clog the mesh on a DuraFlex cap until the fireplace starts smoking back into the room. We clean the cap, check the screen for tears, and replace it if the mesh is compromised.
DuraFlex Service in Westminster: What Local Conditions Mean for Your Equipment
In the older tracts off Bolsa and Westminster Avenues, a large share of DuraFlex-capped flues we open have been gas-converted or sealed off entirely. That changes the job description. You’re not dealing with creosote buildup from a working hearth. You’re dealing with a flue that needs to be confirmed as safely dead, or correctly venting a gas appliance that was retrofitted years ago. A technician who only knows how to sweep creosote misses the point entirely.
We see this constantly on the 1960s stucco ranches between Bolsa Avenue and Westminster Boulevard. The fireplace got sealed decades ago, the DuraFlex cap is still up there, and nobody’s looked at it since. When we open these flues, we’re checking for animal entry, debris packing, and whether the damper is actually closed. If the home now vents a gas insert through that liner, we’re verifying the connections and draft. That’s what DuraFlex service in Westminster really means: vent confirmation and debris control, not creosote sweeping. If you’re in Westminster and you’re not sure whether your chimney is dead, dormant, or actively venting something, call us. We’ll tell you exactly what you have.
DuraFlex Models & Products We Service in Westminster
We work on the DuraFlex product lines most common in Westminster’s older homes. That includes the DuraFlex Stainless Steel Flexible Chimney Liner in round, single-wall profile; the DuraFlex Insulated Flexible Liner Kit; the DuraFlex Deluxe Stainless Chimney Cap; and the DuraFlex Top-Sealing Damper. We stock common replacement caps, dampers, and connectors for fast turnaround in Westminster, so a repair doesn’t mean waiting two weeks for shipping.
On OEM parts: when the existing system is a current DuraFlex profile, we use genuine DuraFlex components. When a profile’s been discontinued and OEM parts are unavailable or overpriced, we fit quality aftermarket stainless that matches the original spec. We also handle DuraFlex sales & service for homeowners who need a liner assessed or replaced.
See the difference
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AfterDuraFlex Service Pricing in Westminster
Chimney sweeping in Westminster typically runs $180 to $340, and most DuraFlex cleaning and inspection jobs fall in that range. Cap replacements usually add $150 to $400 depending on the cap profile and whether it’s a current or discontinued DuraFlex model. Top-sealing damper repairs run $200 to $450, depending on whether we’re replacing the gasket or the full assembly. A Level 2 inspection with camera documentation costs $200 to $400.
What drives the price in Westminster is access. Single-story ranches are straightforward. Steeper roofs off Bolsa Avenue or two-story additions complicate things. If your flue hasn’t been opened in years, the first visit may include extra debris removal time. Every estimate is free, and we quote before any work begins. Call (866) 253-8489 and we’ll give you a number based on what you actually have, not what we hope you’ll buy.
Serving Westminster, CA — Our Local Coverage Area
We’re based in the Westminster 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 Westminster
Yes, but the job isn’t creosote removal. It’s confirming the liner is still properly connected at the firebox and that no debris or animal nesting is restricting gas venting. We clear the flue, check the connector, and run a Level 2 inspection to verify draft. Gas appliances vent carbon monoxide, and a blocked flue is a hazard even when there’s no wood burning. Call (866) 253-8489 to schedule a Westminster vent check.
Santa Ana gusts drive dry leaf litter and palm fronds directly down into uncapped or screen-damaged flues. If your DuraFlex cap screen is torn, rats have likely used the opening, and every wind event adds more debris. We replace the screen or the full cap, then vacuum the liner. A functioning DuraFlex cap stops the cycle.
Most of the time, the gasket has dried out on a flue that sat unused through mild Westminster winters. We can replace the gasket and re-seat the damper without replacing the whole unit, unless the damper frame itself is bent or the cable’s failed. We’ll diagnose it on site and show you what we found. Call (866) 253-8489 for an exact quote.
Don’t light anything until we’ve opened the flue and inspected it. Capped chimneys in Westminster routinely collect animal nests, debris, and moisture damage during years of disuse. We verify the flue is sound, clear any blockages, and tell you whether it’s safe to return to service or better left sealed. I’ll tell you what I found and what it means. You decide what happens next.
The liner itself doesn’t need waterproofing, but the chimney crown around it might. Cracked crowns let moisture behind the liner, which corrodes the stainless joints at the firebox. We inspect the crown whenever we service a DuraFlex liner in Westminster and recommend sealant or repair only when there’s evidence it’s needed. Call (866) 253-8489 and we’ll take a look.
Service Areas Near Westminster
We provide Westminster service area coverage and also work in nearby Downey, Bell Gardens, Santa Fe Springs, Cudahy, Pico Rivera, and Paramount. For homeowners a bit farther out, we offer DuraFlex service in Anaheim and DuraFlex service in Lomita. If you’re in Westminster or any neighboring city and need a DuraFlex system checked, one call covers it.
Book Your DuraFlex Service in Westminster Today
If your DuraFlex cap is packed with debris, your damper won’t seat, or you haven’t verified your gas insert’s venting in years, don’t wait for the next Santa Ana event to make the problem obvious. Call (866) 253-8489 for a free estimate. We sweep it, we inspect it, we repair it. Westminster homeowners get straight talk about what their chimney actually needs.
Written by Ruben Archuleta, Owner at Brownstone Chimney Sweep, serving Westminster and surrounding Orange County communities.