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 Claremont, CA | Pilgrim Chimney
We provide independent Claremont Chimney Sweep service, including DuraFlex cleaning, inspection, and component-level work across the city. The thing that makes our DuraFlex work here different is simple: this city’s older Village homes have masonry fireplaces that were built before modern liners existed, so when a DuraFlex system gets added to one, it has to be fitted around hand-built fireboxes and original clay-tile flues. That’s a different job than the standard slab-box install, and it’s the job we’ve done steadily for years. Call (866) 253-5031 to schedule.
Why Claremont Residents Choose Us for DuraFlex Service
We work on DuraFlex prefab and liner components every week across Claremont’s mix of factory-built boxes and relined masonry fireplaces. That means we know how their sections, caps, dampers, and tee connections actually fail in this climate. Len Pacheco, owner at Pilgrim Chimney, spent the better part of three decades working chimneys across Southern California before focusing on the kind of older housing stock Claremont is known for. He’s pulled enough deodar cedar needles out of DuraFlex caps to know that most Claremont “draft problems” are really termination blockages. Because we’re independent, we diagnose the DuraFlex assembly itself rather than steering every call toward a new liner. If the liner is sound, we clean it, reseat it, and re-cap it. If it’s not, we tell you plainly and show you the camera footage.
We carry DuraFlex sales & service parts knowledge that matters for exact-fit work: OEM caps, dampers, and liner components when the assembly needs a precise match, and quality aftermarket stainless where it meets or exceeds the original spec. For Claremont homeowners, that means no waiting on a part to ship across the country when a top plate or tee connection needs attention.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Claremont
- Kinked or crushed liner sections at the smoke-chamber transition. On shallow factory-built boxes and some older retrofits, the flexible stainless section bends too sharply where it enters the smoke chamber. The result is restricted draft and soot trapping that a routine sweep alone won’t fix. We see this pattern regularly in Claremont’s mid-century ranch tracts where original fireplaces were swapped for factory boxes decades ago.
- Caps and spark arrestors packed with deodar cedar debris. The tall, dense cedars along Claremont Village and the college neighborhoods drop needles and seed pods every fall. They collect in DuraFlex top-mount caps until the termination is choked off. Homeowners call us thinking the liner needs replacing. Most of the time, the fix is a cap removal, a thorough cleaning, and a verification sweep.
- Loose tee joints and corroded connections from long idle cycles. Claremont’s hot, dry inland summers mean chimneys sit unused for months. When fall hits and the first fires start, liner joints and tee connections that worked fine last winter have cycled through heat expansion, cooling contraction, and occasional Santa Ana-driven moisture. Loose connections let combustion gases escape where they shouldn’t.
- Seized dampers and rusted firebox panels on DuraFlex-equipped units over slabs. Wind-driven moisture at the cap works its way down during Santa Ana events. Over time, that rusts damper assemblies and firebox panels. We’ve seen damper handles practically welded in place on Claremont homes that haven’t had a sweep in a decade.
- Clay-tile flues with a DuraFlex liner that no one documented. A lot of Claremont’s 1900 – 1930s Craftsman and Period Revival homes had a DuraFlex liner added at some point, but the original clay tiles were left in place. That’s fine when it was done correctly. We inspect those transitions carefully during every sweep, because a poorly sealed connection between the old tile and new liner is exactly where creosote and moisture accumulate.
DuraFlex Service in Claremont: What Local Conditions Mean for Your Equipment
Here’s the Claremont-specific reality that shapes how we approach DuraFlex work in this city. The historic Village and surrounding college-neighborhood tracts carry a concentration of 1900 – 1930s Craftsman and Period Revival homes whose original masonry chimneys were often never lined at all. Many now have DuraFlex relines, but those liners were fitted around original clay-tile flues and hand-built fireboxes, not a standard slab-box retrofit. That means the flexible stainless sections bend through irregular masonry transitions that vary house to house. A liner that looks fine from the top can have a crushed section or a gap at the smoke chamber that only a Level 2 camera inspection reveals. In a newer tract home, the same DuraFlex kit is practically cookie-cutter. In Claremont’s older neighborhoods, every install is different. Homeowners here also ask us not to alter a period chimney’s visible look, which changes how we set the top plate and cap. We choose terminations that sit low and clean against the original brick or stone instead of sticking up like an afterthought.
The Claremont service area we cover includes the full 91711 ZIP, from the Village outward through the college neighborhoods and into the surrounding ranch tracts. The tree canopy matters more than most people realize. On a 1920s Craftsman near the Village, our crew pulled a DuraFlex top-mount cap packed solid with deodar cedar needles and seed pods. The homeowner assumed weak draft meant a failing liner. After a Level 2 inspection we found the flexible liner sections sound but the tee joint loose at the smoke chamber. We reseated the connection, cleared the termination, and reinstalled the cap. The fireplace drafted correctly on the first test burn without touching the original clay-tile flue.
DuraFlex Models & Products We Service in Claremont
We service the full DuraFlex product range you’re likely to find in Claremont homes: DuraFlex Pro stainless flexible chimney liner kits, DuraFlex 316/316L flexible relining systems, DuraFlex insulated liner sections and tee kits, and DuraFlex top-mount and multi-flue cap assemblies. Our parts approach is straightforward. When an assembly needs exact-fit replacement, we match OEM DuraFlex caps, dampers, and liner components. Where a quality aftermarket stainless section meets or exceeds the original spec, we use that and tell you why. We stock common DuraFlex caps, connectors, and liner sections so most Claremont repairs don’t wait on a distributor order. For older masonry retrofits, we keep a range of connector and top-plate sizes on hand because we know how irregular those original fireboxes can be.
See the difference
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AfterDuraFlex Service Pricing in Claremont
DuraFlex cleaning and inspection work in Claremont follows the same pricing structure as our broader chimney service: an annual sweep with a standard inspection typically runs $180 – $340, a Level 2 camera inspection for real-estate transactions or post-fire concerns runs $300 – $600, and a cap or spark-arrestor replacement adds roughly $120 – $350 to service. A full DuraFlex reline, when it’s actually needed, is a different conversation with costs that depend on flue length, accessibility, and masonry condition. What drives the cost here: older Village chimneys with irregular transitions take longer to clean and inspect properly, and they more often need cap replacement because of the cedar debris load. We never quote a reline without showing you the camera evidence first. Call (866) 253-5031 for a free estimate, and we’ll tell you what your DuraFlex system actually needs after we look at it.
Serving Claremont, CA — Our Local Coverage Area
We’re based in the Claremont area and know this community well, and we also offer DuraFlex service in La Verne. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in Claremont
No. A proper sweep on a DuraFlex liner uses poly or appropriately sized brushes matched to the liner diameter, not wire brushes that can scratch or catch the flexible stainless. We inspect the liner with a camera first to check for existing kinks, crushed sections, or loose joints so we know what we’re working with before the brush goes down. If we find a section that’s already damaged, we’ll show you the footage and talk through reseating or section replacement before proceeding. Call (866) 253-5031 to schedule a sweep on your DuraFlex-equipped fireplace.
In Claremont, the most common reason is a DuraFlex cap packed with deodar cedar needles and seed pods that accumulated during the summer and fall. The chimney sits idle for months in the hot, dry inland climate, and when you light the first fire, the clogged termination restricts draft and smoke pushes back into the room. The second common cause is a liner joint or tee connection that worked loose during the long idle cycle and is now allowing air to bypass. We start with a cap pull and a camera look rather than guessing. If it’s debris, you’ll know immediately. If it’s a joint, we reseat it. Call (866) 253-5031 and we’ll get to the bottom of the fall smoke.
Many older Claremont chimneys with original clay-tile flues can keep those tiles if they’re intact and properly sized for the appliance. A DuraFlex liner is typically recommended when the original flue is cracked, spalled, or unlined, or when clearances don’t meet modern fire-safety standards. We don’t push relines on chimneys that don’t need them. We’ll run a camera through the entire flue, show you exactly what we see, and give you a straight answer on whether the existing system is safe to use or genuinely needs relining. Call (866) 253-5031 for an honest assessment with photo evidence.
Yes, and that’s a routine call for us in Claremont and for DuraFlex repair in Upland. The deodar cedars along the Village and college streets are hard on caps. We replace DuraFlex top-mount caps, spark arrestors, and top plates as standalone components whenever the liner beneath them is sound. You don’t need a new liner because a cap rusted through or got packed with debris. We’ll test the draft after the new cap goes on to confirm the fix. Call (866) 253-5031 to price a DuraFlex cap replacement for your home.
Santa Ana wind events hit Claremont straight off the San Gabriel Mountains, and they do two things to a DuraFlex chimney for our DuraFlex service in San Antonio Heights customers as well. First, they drive needles, seed pods, and fine debris into the cap and spark arrestor, which is why we see so many clogged terminations every fall. Second, sustained high winds can exploit any small gap in the top plate or cap assembly, pulling moisture and grit down into the flue and accelerating corrosion on dampers and connections. After a heavy Santa Ana stretch is a good time to have us inspect the cap and top plate for wind damage before the burning season really starts. Call (866) 253-5031 to book a post-wind check.
Service Areas Near Claremont
Beyond Claremont, we serve homeowners across the surrounding foothill and inland communities. If you’re in a neighboring city and have a DuraFlex system that needs attention, we’re active in DuraFlex service in Montclair as well as DuraFlex service in Calimesa. We also take calls from Victorville, Apple Valley, Hesperia, and the Spring Valley Lake area.
Book Your DuraFlex Service in Claremont Today
Whether it’s an annual sweep, a cap replacement, or a Level 2 inspection on a DuraFlex system in a century-old Claremont fireplace, we’ll give you the straight story. Call (866) 253-5031 for a free estimate. A clean chimney isn’t exciting, until you remember what the alternative looks like.
Written by Len Pacheco, Owner at Pilgrim Chimney, serving Claremont’s fireplaces and dryer vents with steady, methodical care.