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.
HeatShield Chimney Cleaning in Florence-Graham, CA | Hickory Chimney Sweep
HeatShield chimney cleaning in Florence-Graham usually means more than a sweep. It means evaluating whether the flue’s ceramic coating is still doing its job inside a chimney that may not have been touched since the 1970s. We’re Hickory Chimney Sweep, an independent HeatShield service provider working throughout ZIP 90001 and offering HeatShield service in Walnut Park. What makes our HeatShield work different here is access: many Florence-Graham chimneys sit tight against a neighbor’s wall or hide behind a narrow side yard, and we’re set up for that. Call (855) 554-2841 for a free estimate.
Why Florence-Graham Residents Choose Us for HeatShield Service
The houses here were built before HeatShield existed. 1920s stucco bungalows. 1950s duplexes with shared chimney stacks. Ruben Acosta, our owner, grew up a few blocks from Mariachi Plaza in Boyle Heights and has spent more than two decades sweeping and inspecting chimneys across East Los Angeles and the surrounding neighborhoods. He knows what an 80-year-old flue looks like from the inside, and he knows which failures are worth fixing with HeatShield in South Gate and surrounding areas. That matters when you’re deciding whether a HeatShield resurfacing makes sense or whether the flue’s too far gone to hold a coating.
We carry genuine HeatShield products and know the difference between a proper refractory bond and a coating that’ll spall off in two seasons. We’re not tied to HeatShield, the company. We’re independent. So when we tell a Florence-Graham homeowner the flue is sound enough to coat, it’s because we believe it. When we’d rather reline with a DuraFlex flexible liner system instead, we say so. Visit our HeatShield sales & service page to see the full scope of what we handle.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Florence-Graham
Here’s what we see repeatedly in this part of Los Angeles:
- Cracked flue-tile joints hidden under slow creosote. Florence-Graham winters are mild, so fireplaces run intermittently for ambiance, not all-day heat. Creosote builds slowly, glaze by glaze, and cracks get sealed over by tar. A Level 2 camera inspection shows what the eye can’t. If the tile’s still sound, we resurface with HeatShield Cerfractory Flue Sealant. If it’s crumbling, we’ll tell you.
- Debonded or spalled refractory coatings from a bad first application. We see this on flues that were coated years ago without a proper pre-clean. The dry, windy season in Florence-Graham pushes grit and debris down uncapped flues, and a thin coating with poor adhesion starts flaking. The fix means a full sweep first, then a decision on whether re-coating is viable.
- Failed crowns and flashing on original 1920s – 1950s masonry. Water tracks behind the liner, softens mortar joints, and you won’t see a crack from the firebox until the damage is well along. HeatShield crown repair coatings work here, but only after the underlying masonry is repointed and secure.
- Bird nests packed against liner walls in shared chimneys. In the dense blocks of ZIP 90001, many flues are uncapped. Starlings and pigeons build in them. The nest hides tile damage and prevents any HeatShield material from bonding. We remove it, sweep, and only then evaluate the flue.
- Open joints between clay tiles in converted gas flues. Some Florence-Graham bungalows were converted from wood to gas decades ago, but the original masonry flues were left in service. Acidic gas condensate eats at those joints. HeatShield heat-resistant mortar is meant to seal exactly this kind of damage.
HeatShield Service in Florence-Graham: What Local Conditions Mean for Your Equipment
Here’s the thing most generic chimney pages won’t tell you about Florence-Graham. In these older blocks, a lot of chimneys are shared between adjacent units, or they’re reached through side yards maybe 30 inches wide. That changes everything about how a HeatShield resurfacing job gets done. We bring compact ladders. We coordinate with the neighbor if we need roof access through their yard. Sometimes we have to schedule around what’s parked in the alley. It’s slow, careful work, and it’s the reason some sweeps won’t touch these chimneys at all. We will. Narrow-access chimneys are exactly the ones that haven’t been cleaned in decades, because nobody could reach them. Those are the flues where a camera inspection finds the worst surprises, and often the best candidates for Willowbrook HeatShield service and similar resurfacing work once the flue is clean.
HeatShield Models & Products We Service in Florence-Graham
We work with the HeatShield product lines that actually get installed in Southern California masonry chimneys. HeatShield Cerfractory Flue Sealant for resurfacing cracked clay tile. HeatShield Resurfacing System for spalled and open joints. HeatShield Heat-Resistant Mortar for firebox repointing and flue work. HeatShield crown coatings for masonry restoration up top. We stock genuine HeatShield materials for the jobs we book in Florence-Graham, so turnaround stays short. Where a cap, damper, or flashing isn’t brand-specific, we use professional-grade aftermarket parts from Olympia Chimney, Famco, and Copperfield, the same suppliers certified contractors specify. Visit our Florence-Graham service area page to see the ZIP 90001 coverage map.
See the difference
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After
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AfterHeatShield Service Pricing in Florence-Graham
HeatShield cleaning and resurfacing in Florence-Graham typically runs $220 to $680 depending on what the flue needs. A standard sweep and inspection lands at the lower end. Resurfacing a section of flue tile with HeatShield Cerfractory adds material and labor, and the final number depends on access, flue condition, and how much repointing the firebox needs. The estimate is free, fixed before we start, and includes a camera inspection so you see exactly what we’re coating and why. Call (855) 554-2841 for an exact quote.
Serving Florence-Graham, CA — Our Local Coverage Area
We’re based in the Florence-Graham area and know this community well. We also provide HeatShield in Huntington Park and nearby neighborhoods. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in Florence-Graham
Yes, but it takes coordination. We need access from both sides if the flue is shared, or at minimum permission to work from the neighbor’s side of the roof line. We’ll walk you through that before we schedule. Call (855) 554-2841 and we’ll sort out the access plan first.
Because the damage is above the smoke shelf, out of sight. A camera shows cracked joints, spalled HeatShield-type coatings, and water damage that a flashlight from below will miss. That’s the whole point of a Level 2 inspection, and it’s the only way to know whether resurfacing will work or if a DuraFlex reline is the wiser call.
HeatShield is a resurfacing system, not a structural liner. It goes over existing clay tile when the tile is cracked but still sound. If the flue is crushed, leaning, or the tile has collapsed in sections, we won’t coat it. We’ll quote a full reline instead.
Yes. Nest material holds moisture against the coating, blocks airflow, and prevents a clean bond for any future repair. The fix is a cap, which we install from Olympia Chimney or Copperfield stock. The coating comes after the flue is clean and the cap is in place.
Before. Water behind the liner will undo any coating work in one season. We rebuild the crown with HeatShield crown repair coatings and proper slope, then address the flue. It’s one trip, two tasks, right order. Call (855) 554-2841 for a free estimate.
Service Areas Near Florence-Graham
We run HeatShield service routes into East Los Angeles, Commerce, Boyle Heights, Maywood, and Bell from our Florence-Graham base. If you’re a city or two over, we can usually reach you on the same schedule. Check HeatShield service in Downey if you’re south, or HeatShield service in San Gabriel to the east.
Book Your HeatShield Service in Florence-Graham Today
We bring compact equipment, real HeatShield materials, and a straight answer about your flue. Florence-Graham chimneys have waited long enough. Call (855) 554-2841 for a free estimate and tell us what the flue looks like. We’ll tell you what your winter looks like.
Written by Ruben Acosta, Owner at Hickory Chimney Sweep, serving Florence-Graham since day one.