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 Upland, CA | San Bernardino Chimney Sweep
We provide independent DuraFlex chimney cleaning, inspection, and repair across Upland’s 91784, 91785, and 91786 ZIP codes. What makes our DuraFlex work here different is straightforward: Upland’s postwar masonry fireplaces and foothill-adjacent chimneys create specific failure patterns in these flue systems, and we see them every week. If you have a DuraFlex liner or Class A pipe, call (877) 516-7159 for a free estimate from a shop that knows exactly what to look for in Upland service area homes.

Why Upland Residents Choose Us for DuraFlex Service
We’ve relined and serviced hundreds of DuraFlex prefab and insert systems across Upland and nearby areas like DuraFlex in San Antonio Heights and the surrounding foothill towns, so we know the specific flue diameters, cap styles, and pipe-joint quirks of their factory-built lines. As an independent shop we answer to the homeowner, not the manufacturer, and we’ll tell you honestly when a DuraFlex flue can be cleaned and reused versus when it needs a full replacement.
Allen Prescott, our owner, grew up near the Kendall Drive corridor in San Bernardino and has spent the better part of three decades working on Inland Empire chimneys. He learned HVAC and building systems at San Bernardino Valley College before narrowing his focus to chimney maintenance and venting safety. That background means we diagnose the whole system, not just the pipe. For DuraFlex sales & service, we carry the parts and the practical knowledge to keep your system running through Upland’s Santa Ana cold snaps without a second contractor in the mix.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Upland
- Glazed third-degree creosote on flex liner walls. Upland fireplaces sit unused for months in the hot, dry inland climate, then get hammered during short winter cold bursts. That pattern bakes creosote into a hard, shiny glaze that ignites far easier than the fluffy first-stage buildup most homeowners picture. We remove it with mechanical rotary tools, not just brushes.
- Kinked or crushed stainless flex liners in off-plumb chimneys. Decades of dry rot and seismic settling have shifted many masonry chimneys off-plumb in Upland’s older foothill-adjacent blocks. A prior installer may have forced a liner down a flue with a settlement offset, kinking the stainless and creating a creosote trap. We scope the flue to find it.
- Corroded liner-to-appliance connectors and worn dampers. 1980s-2000s stucco subdivisions in north and east Upland often have DuraFlex Class A installs that owners assume need no service because they burn little wood. The connectors and dampers still corrode in the dry air, and neglected ones can fail at the worst time.
- Spark arrestor and rain-cap corrosion on exterior Class A stacks. Upland’s foothill brush fire exposure means spark arrestor compliance isn’t optional. Corroded or damaged caps let embers escape and invite wildlife into the flue. We replace them with properly sized DuraFlex-compatible components.
- Cracked crowns and separated flue tiles around liners. The same settling that shifts chimneys off-plumb also cracks masonry crowns. Water enters, freeze-thaw cycles from cold snaps do the rest, and the liner’s termination point becomes a weak spot. We address the crown and the liner together.
DuraFlex Service in Upland: What Local Conditions Mean for Your Equipment
Upland’s fireplace stock skews heavily toward decorative 1950s-70s masonry fireplaces built during the postwar citrus-to-suburb transition. Many of these have undersized or unlined flues that fail modern inspection standards even though the homes look well-kept. That’s exactly where DuraFlex relining kits get specified here, and it’s why our cleaning work in Upland frequently turns into a conversation about liner condition. A homeowner in a newer tract home off Mountain Avenue might have a factory-built flue that just needs a sweep. A homeowner in a ranch house near the historic downtown core might have a clay-tile liner that’s spalling behind the DuraFlex, which changes everything about the service call. We don’t assume. In the older foothill-adjacent blocks, sweeps routinely find cracked crowns and separated flue tiles that a flat-roof coastal city’s chimneys rarely show, and those failures directly affect how long a DuraFlex liner lasts before it needs attention.
DuraFlex Models & Products We Service in Upland
We work on the full DuraFlex lineup common in Upland homes: Relining Kits for masonry flues, Class A All-Fuel Chimney Pipe including the HT and HT-Chimney series, Direct-Temp and direct-vent insert venting, and Masonry Flue Liner with stove-to-flue connector kits. When a flue system demands original DuraFlex components, we match them. Where aftermarket caps, dampers, or connectors meet code and hold up long term, we use those and say so plainly. We stock common Upland fitments locally so a routine clean-and-inspect doesn’t stall waiting on a part from a regional warehouse.
See the difference
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AfterDuraFlex Service Pricing in Upland
A standard DuraFlex chimney cleaning and inspection in Upland runs $195 to $350 for a single flue. Adding a camera scope report is $75 to $125. If the inspection finds a crushed or glazed liner section that needs replacement, a full DuraFlex relining kit install typically runs $2,800 to $5,500 depending on flue length and access. Crown repair work on settled Upland chimneys starts around $450, and a proper multi-flue cap runs $250 to $600 installed. What drives cost here specifically: off-plumb flues in older foothill blocks take longer to scope and correct, and glazed creosote removal is more labor-intensive than a standard brush sweep. Every estimate includes a camera inspection and photo report, so you see exactly what we see before any work is approved. Call (877) 516-7159 for a free estimate.
Serving Upland, CA — Our Local Coverage Area
We’re based in the Upland area and know this community well, and we also handle DuraFlex repair in Claremont. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
Frequently Asked Questions: DuraFlex Chimney Cleaning in Upland
You don’t, not without a camera scope. The liner could be kinked at a settlement offset, the crown above it could be cracked and letting water in, or the upper run could be glazed with creosote you can’t see from the firebox. We camera-scope every DuraFlex flue we clean and give you a photo report. That’s the only honest way to answer the safety question.
Upland’s hot, dry climate means fireplaces sit unused for months, then get heavy use during short Santa Ana cold snaps. The long idle periods let creosote harden, and the concentrated burn cycles bake it into a glaze. It’s not that you burn more wood than anyone else, it’s that the burning pattern here produces a denser, more dangerous deposit. Call (877) 516-7159 for a sweep and we’ll show you the difference.
Yes. Even light seasonal burning deposits creosote, and the parts that fail, connectors, dampers, caps, corrode from weather and time regardless of how much wood goes through the pipe. We see plenty of 1980s-2000s Class A installs in north and east Upland that were ignored for years because the owners assumed no wood meant no service. The pipe still needs inspection.
It affects the cap and spark arrestor, mostly. Upland sits at the base of the San Gabriel Mountains, and dry brush fire conditions make ember escape a real concern. A corroded or missing spark arrestor on an exterior Class A stack is a code issue and a fire hazard. We check cap condition on every DuraFlex service call in Upland and on DuraFlex service in Montclair calls too, replacing damaged ones with properly sized components. Call (877) 516-7159 to get yours checked before fire season.
Usually yes, and that’s often the best fix. A properly sized DuraFlex stainless relining kit can navigate the settlement offset while a rigid liner can’t. What matters is that the flue is camera-scoped first to confirm the offset location and make sure the masonry itself hasn’t shifted enough to compromise the crown or firebox. We’ve corrected off-plumb transitions on many Upland homes this way, plus DuraFlex in Rancho Cucamonga properties, and for one postwar ranch block near the Euclid Avenue corridor, we pulled a jammed liner, corrected the transition with a new DuraFlex kit, and installed a multi-flue cap. The chimney has run clean since.
Service Areas Near Upland
In addition to Upland, we serve DuraFlex service in Ontario, Rubidoux, San Bernardino, Colton, and Loma Linda. We also handle DuraFlex service in Home Gardens for homeowners just west of Upland. If you’re anywhere in the western Inland Empire and have a DuraFlex flue, call us.
Book Your DuraFlex Service in Upland Today
A clean flue isn’t a luxury, it’s just how you keep the fire where it belongs. Call (877) 516-7159 and we’ll schedule your DuraFlex cleaning and inspection at a time that works for you. We bring the equipment, the camera, and the straight talk.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving Upland and the surrounding foothill communities.