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 Florence-Graham, CA
We provide independent DuraFlex chimney cleaning, inspection, and repair across Florence-Graham. Joe Ortiz and our crew know these flues are different from what you’ll find in most of LA County. Here, most DuraFlex liners sit inside chimneys that vent old gravity furnaces, not wood fires, so the work is less about creosote and more about debris, pest exclusion, and making sure the liner actually matches the appliance it’s connected to. Call (833) 958-8849 for a free estimate.

If your DuraFlex system hasn’t been looked at in a while, we’ll tell you exactly what’s in the flue and whether it’s safe to leave alone. That’s the whole job. DuraFlex sales & service is core to what we do, and we service the entire 90001 ZIP code with a straight answer and no upsell pitch.
Why Florence-Graham Residents Choose Us for DuraFlex Service
Most chimney companies in the area don’t know DuraFlex beyond the name on a box. We’ve worked with the Pro, SW, and Relining Kit lines long enough to recognize failure patterns before they become expensive problems. A stainless liner that separates at a seam, a cap that lost its mesh in a Santa Ana event, a top plate pulling loose as 1920s brick shifts – these are things we see weekly in Florence-Graham, and we know which repair buys you another decade and which one is a waste of your money. If you need a Florence-Graham Chimney Sweep, we can help.
Joe Ortiz grew up off Tweedy Boulevard in South Gate territory and trained in the HVAC and sheet metal program at East Los Angeles College, where he learned duct systems and combustion venting before he ever touched a chimney brush. That background matters when a liner was sized for furnace exhaust and someone wants to switch to a gas insert or, less commonly here, actual wood. We verify what’s connected to the flue, not just what’s visible from the cap.
We’re also not shy about telling you when a flue can wait. Florence-Graham has a lot of decorative fireplaces that never see a real fire. If the liner is intact and the cap is doing its job, you don’t need a sweep every year. You need an inspection. We’ll tell you the difference. We serve all of Florence-Graham with that same standard.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Common DuraFlex Chimney Cleaning Problems We Solve in Florence-Graham
- Palm fronds and ficus debris packed behind a missing cap. The palms and ficus trees that line Florence-Graham’s blocks shed constantly. Once a cap’s mesh tears away or the cap itself loosens, leaves and fronds drop straight down the flue. We extract the debris, then install a proper DuraFlex cap so it doesn’t happen again next season.
- Stainless liner seams separating after years of thermal cycling. Furnace-vented flues heat and cool differently than wood-burning chimneys. Over years of idle periods followed by heating cycles, seam welds on some older DuraFlex installations can separate. That lets moisture and debris into the insulation wrap. We find this during Level 2 inspections more often than we find creosote.
- Factory cap mesh corroded and torn free by Santa Ana winds. The wind events that whip through the basin put real stress on cap mesh. Once the mesh goes, birds find the flue within weeks. We replace the factory mesh or the full cap assembly depending on what’s left of the original.
- Top plates and flashing loosened by shifting 1920s masonry. Florence-Graham’s original brick and block chimneys move. Even slight settlement loosens the top plate that seals the liner to the crown. Winter rain tracks down the liner and into the house. Re-securing the top plate and repointing the crown is routine work here, and we do it with mortar matched to the existing brick.
- Compressed insulation wrap inside oversized masonry flues. Many Florence-Graham chimneys were built with oversized flues for old furnaces. When a DuraFlex liner goes into that space, the insulation wrap is what protects the clearance. If it compresses or degrades, the liner can’t do its job. We check insulation integrity on every inspection, not just the visible pipe.
DuraFlex Service in Florence-Graham: What Local Conditions Mean for Your Equipment
Florence-Graham’s Duarte and Graham blocks are dense with single-story stucco bungalows and small duplexes from the 1920s through the 1950s. Most of the chimneys here were built for gravity furnaces or decorative fireplaces, and a lot of them now carry DuraFlex liners that were sized for the furnace, not for wood smoke. That’s the detail generic chimney pages miss. A liner that’s perfect for natural gas exhaust can be too narrow, or too lightly insulated, for solid-fuel burning. So when we do a DuraFlex repair in Boyle Heights or Florence-Graham, we don’t just sweep it. We verify the liner diameter and insulation against the appliance that’s actually venting into it right now. On a 1928 stucco bungalow near the corner of 60th Street and Hooper Avenue, we found a DuraFlex Pro liner whose cap mesh had torn away, letting a ficus canopy fill the flue with leaves and a starling nest. After a Level 2 inspection and full debris extraction, we installed a new DuraFlex multi-flue cap and repointed the cracked mortar crown. The homeowner now has a properly vented, pest-excluded flue for their gas fireplace insert. That’s the specific reality of working in Florence-Graham: making the liner match what’s actually connected to it, not what the original mason assumed in 1935.
DuraFlex Models & Products We Service in Florence-Graham
We service all DuraFlex residential product lines: DuraFlex Pro, DuraFlex SW, and the DuraFlex Relining Kit. When we need parts, we use genuine DuraFlex OEM liners, caps, and top plates whenever they’re available. If the OEM lead time would leave a flue unprotected going into winter rain or Santa Ana season, we use high-quality aftermarket stainless components that meet the same spec. We don’t slap on whatever’s cheapest at a supply house. The right material for the job is the only material we’ll install. Our truck carries common DuraFlex cap assemblies, top plate hardware, and section connectors, which means most Florence-Graham repairs finish the same day we diagnose them. For the Relining Kit and custom-diameter work, we measure on site and order to spec.
See the difference
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After
Before
After
Before
AfterDuraFlex Service Pricing in Florence-Graham
DuraFlex cleaning and inspection work in Florence-Graham depends on what we’re actually dealing with once we get the camera in the flue. A straight cleaning with cap check runs in the $149 to $289 range here. Adding a Level 2 camera inspection typically lands between $189 and $350. If a cap needs replacement, standard DuraFlex cap installs usually run $190 to $450. When mortar repointing enters the picture, figure $45 to $90 per square foot of repointed area on the average Florence-Graham chimney. Full relining with a DuraFlex system is the bigger line item, and that’s where we walk you through exactly what the camera showed before we quote a number. No one at Chimney Sweep South Gate will recommend a liner replacement off a guess. Call (833) 958-8849 and we’ll give you a flat quote before any work begins.

Serving Florence-Graham, CA – Our Local Coverage Area
We’re based in the Florence-Graham 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 Florence-Graham
Usually not. Furnace-vented DuraFlex liners are frequently sized for the lower temperatures and different exhaust volumes of gas appliances, not the higher heat and larger particulate load of wood smoke. We’ll measure the liner diameter, check the insulation, and verify what the liner was originally approved for before we give you an answer. In many Florence-Graham homes, the safer move is a reline sized for solid fuel. Call (833) 958-8849 for a camera inspection and a straight answer.
The short answer is wind and old masonry. Santa Ana events put real stress on the cap assembly, and when the underlying brick crown has cracked or the top plate wasn’t seated into sound mortar, the cap works itself loose over time. We repoint the crown and re-secure the top plate to the brick, then torque the cap down properly. A cap installed into sound masonry doesn’t loosen the same way. Call (833) 958-8849 and we’ll inspect what’s underneath the cap, not just the cap itself.
Yes, in most cases the liner and firebox are independent systems. Crumbling firebox mortar is confined to the firebox itself; the liner runs up the flue behind it. We can repair or rebuild the firebox using the right refractory materials while leaving the DuraFlex liner untouched. If the liner passes inspection, there’s no reason to replace it just because the firebox needs work. For a quote on firebox repair in Florence-Graham, call (833) 958-8849.
All the time. Florence-Graham’s palms and ficus trees make this one of the worst pockets in the area for bird and rodent entry into uncapped flues. Even when a fireplace never gets lit, the flue is still an opening to the outside. Starlings and sparrows get in, build nests, and block the venting path completely. We remove the nest, check for secondary damage, and install a proper cap so the flue is sealed against pests. Call (833) 958-8849 to schedule a cap check before nesting season peaks.
The only way to know is a Level 2 camera inspection. A tremor can shift the masonry around the liner without leaving any visible damage at the cap or firebox. The camera shows us what happened inside: separated seams, crushed insulation, offsets at the top plate, or a liner that’s pulled away from the appliance connection. Small seam separations can sometimes be repaired with a section replacement. A liner that’s offset or collapsed needs full replacement. If you felt the shaking in Florence-Graham and haven’t had your flue checked, call (833) 958-8849. We’ll put a camera in the flue and show you exactly what we see.
Service Areas Near Florence-Graham
Our crew handles DuraFlex service throughout the adjacent communities. We cover DuraFlex service in Huntington Park and DuraFlex service in Norwalk regularly, plus Downey, Bell Gardens, and Lynwood. If you’re just outside Florence-Graham, call and we’ll tell you whether our route includes your block.
Book Your DuraFlex Service in Florence-Graham Today
We schedule cleanings, inspections, and repairs throughout the 90001 ZIP code. One call covers it: sweeping, cap work, repointing, liner evaluation, and dryer vent cleaning if you want it while we’re there. Call (833) 958-8849 for a free estimate. Joe will know the moment he puts a light on it.
Written by Joe Ortiz, Owner at Chimney Sweep South Gate, serving Florence-Graham and the surrounding area.