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 North Hollywood, CA | Corona Chimney Sweep
We provide independent HeatShield chimney cleaning and repair across North Hollywood, including the 91611, 91612, 91615, and 91616 ZIP codes, plus HeatShield repair in Valley Glen. Most of our HeatShield calls here come from older Spanish Colonial Revival and bungalow homes where the original clay tile flues took damage during the 1994 Northridge earthquake and were later coated with HeatShield Cerfractory as a repair. The difference is that we treat every HeatShield service call as an inspection-first job: before we clean or resurface anything, we run a Level 2 camera inspection to see what the liner is actually doing inside the flue. Call us at (855) 382-6159 for a free estimate on HeatShield cleaning, inspection, or repair anywhere in North Hollywood.
Why North Hollywood Residents Choose Us for HeatShield Service
We install, clean, and repair HeatShield systems using genuine HeatShield materials: Cerfractory Flue Sealant, the cast-in-place liner system, and HeatShield Crown Coat. That matters in North Hollywood because this housing stock is dominated by 1920s-through-1950s masonry chimneys that were built for occasional wood fires and now carry decades of deferred maintenance. We’re an independent service provider, not a manufacturer affiliate, but our technicians are factory-trained in HeatShield’s Cerfractory and cast-in-place liner products. Nolan Ferris, our owner, cut his teeth on combustion systems through Norco College’s vocational program and has spent well over a decade inspecting flues across the Valley. He still insists on showing homeowners the camera footage before any HeatShield work goes on the calendar. We use the same camera and application equipment authorized installers run, and we document every job with before-and-after video. We also stock the HeatShield product lines and the common cap and damper parts for North Hollywood’s older brick chimneys, which means less waiting when your liner or crown needs attention. You can also read about our broader HeatShield sales & service work.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in North Hollywood
- Cracked HeatShield Cerfractory from post-earthquake flue separation. North Hollywood’s 1920s-1950s brick chimneys took a beating in the Northridge quake. Hairline cracks in clay tile liners went unnoticed for years, and when HeatShield coating was later applied over separated tiles, the movement underneath eventually cracked the coating too. We find this on camera, remove the failed section, re-prep the substrate, and recoat.
- Animal nests packed above the liner. In the older NoHo blocks, uncapped chimneys become pigeon, squirrel, and raccoon nests during the long dry off-season. We pull the debris out, inspect the HeatShield surface for damage from acidic droppings or blocked draft, and install a proper multi-flue cap so it doesn’t happen again.
- Thermal shock after months of disuse. North Hollywood summers are hot and dry, and most fireplaces sit dormant from April through November. The first winter fire sends intense heat up a cold flue, which can widen existing cracks in a HeatShield coating, especially where a dry-cracked crown has let moisture and debris in. We see this every season.
- HeatShield applied over bare brick that was never a proper liner substrate. Many California bungalows in North Hollywood originally ran unlined brick flues. If someone applied HeatShield directly over bare masonry without proper prep, the coating will spall and fail prematurely. We correct the prep and reapply correctly, or recommend a DuraFlex stainless liner if the brick condition doesn’t support HeatShield.
- Crumbling mortar crowns. The lack of real rain in the Valley means crowns don’t rot so much as dry-crack and chip. When the crown fails, water seeps down the outside of the flue and undermines the HeatShield bond. We repair crowns with HeatShield Crown Coat or rebuild them as needed.
HeatShield Service in North Hollywood: What Local Conditions Mean for Your Equipment
The 1994 Northridge earthquake left many masonry chimneys in North Hollywood’s older neighborhoods with hairline cracks and separated flues that homeowners don’t discover until a Level 2 camera inspection. That’s the single biggest factor shaping HeatShield work in this city, and it’s why we treat every HeatShield call here as an inspection-first job, not just a sweep. A separated flue under a HeatShield coating will crack that coating from underneath, no matter how well the original application was done. On a 1920s Spanish Colonial Revival home off Magnolia Boulevard in the NoHo arts district, our crew responded to a call about a smoky first fire and found a HeatShield Cerfractory liner installed years earlier that had cracked along the back wall from exactly that: a flue separation nobody caught. We removed the failed section, re-prepped the clay tile, and applied a fresh HeatShield coating, then installed a new multi-flue cap to keep the pigeons out of the other open flues. The homeowner lit a test fire that evening with no smoke backup. Most homes here don’t have this level of documentation because previous sweeps never ran a camera. We do. Call (855) 382-6159 before your chimney becomes another one we pull apart in spring.
HeatShield Models & Products We Service in North Hollywood
We service and install the full HeatShield residential line: Cerfractory Flue Sealant, the HeatShield cast-in-place liner system, the HeatShield Resurfacing System for clay tile flues, and HeatShield Crown Coat. We also provide HeatShield repair in Studio City and surrounding Valley communities. For every application, we use genuine HeatShield materials to ensure proper adhesion and longevity. When a cap or damper is beyond saving, we recommend quality aftermarket replacements that fit North Hollywood’s older chimney configurations, paired with the HeatShield work. When a firebox shows extensive spalling or a flue has multiple failed tiles, we’ll give you an honest assessment of whether HeatShield resurfacing is a viable long-term fix or whether a full reline with DuraFlex is the smarter investment. We keep common HeatShield sizes and the related cap and crown materials stocked for fast turnaround across North Hollywood and the Valley.
See the difference
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AfterHeatShield Service Pricing in North Hollywood
HeatShield chimney cleaning in North Hollywood typically runs between $180 and $340, depending on flue condition, liner type, and whether we’re also removing animal debris or addressing crown damage. A Level 2 camera inspection, which we strongly recommend on any post-earthquake masonry chimney, adds to that range. HeatShield Cerfractory repair work is priced after we see the camera footage and know the scope. We don’t quote liner work blind. Our estimates are free, and every recommendation comes with before-and-after video so you’re never paying for something you can’t see. Call (855) 382-6159 for a flat-price estimate on HeatShield service in North Hollywood.
Serving North Hollywood, CA — Our Local Coverage Area
We’re based in the North Hollywood area and know this community well. We also offer Universal City HeatShield service and cover nearby neighborhoods throughout the Valley. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in North Hollywood
I live in a 1920s bungalow in North Hollywood and my chimney has never been lined. Can HeatShield be applied directly to the brick?
No, not directly to bare structural brick. HeatShield is a coating system designed for clay tile flues or properly prepared masonry surfaces. If your bungalow’s flue is raw brick, we need to inspect it first with a camera, then either prep it properly or recommend a stainless liner like DuraFlex. Applying HeatShield over unprepared brick is how liners fail in a season.
How can I tell if my HeatShield liner was damaged by the Northridge earthquake?
You usually can’t tell from the outside. The telltale signs are smoke backing up into the room, a sudden drop in draft, or visible cracks in the firebox. The definitive answer comes from a Level 2 camera inspection, which shows whether the clay tiles underneath the HeatShield coating have separated. If you’re in a pre-1994 masonry chimney in North Hollywood, it’s worth having us look. Call (855) 382-6159 and we’ll run the camera.
My chimney is uncapped and I hear animals in it. Do I need a sweep before you install a cap?
Yes. You don’t want a cap installed over a nest. Debris blocks draft, catches fire, or decomposes against the HeatShield surface. We remove the animals and the nesting material, inspect the liner and damper for damage, and then install the cap. In North Hollywood’s older blocks, this is one of the most common calls we get each spring.
What’s the difference between a Level 1 and Level 2 inspection, and which one do I need for my HeatShield-lined chimney?
A Level 1 inspection is a visual check of the accessible parts of your chimney and appliance, done on a routine maintenance visit with no history of problems. A Level 2 inspection adds a camera scan of the flue interior and is required when the home has changed hands, the system has been modified, or an event like an earthquake or chimney fire has occurred. If your North Hollywood home was here in 1994 and you have a HeatShield liner, we recommend a Level 2. We run the camera on every HeatShield call.
Can you repair a cracked crown on my Spanish Revival chimney without replacing the whole thing?
Usually yes. If the crown has surface cracking or minor chipping, we clean and prep the surface and apply HeatShield Crown Coat, which is designed for exactly that repair. If the crown has slumped or the damage extends into the mortar joints below, we’ll give you a straight assessment of whether a rebuild is needed. The dry Valley climate means crowns here crack rather than rot, and many can be saved. Call (855) 382-6159 for a free crown evaluation.
Service Areas Near North Hollywood
We serve North Hollywood and the surrounding San Fernando Valley communities, plus the Inland Empire. For nearby coverage on your side of town, you can read about our North Hollywood service area. We also run HeatShield calls in HeatShield service in Westwood when work takes us west, and HeatShield service in Carlsbad for jobs down the coast.
Book Your HeatShield Service in North Hollywood Today
If your chimney hasn’t been inspected or cleaned in the last two years, or you saw smoke spill into the room on the first fire of the season, don’t wait. Call Nolan and the crew at (855) 382-6159 to schedule your HeatShield cleaning or inspection in North Hollywood or for Burbank HeatShield service. Free estimates, real camera footage, and work we stand behind.
Written by Nolan Ferris, Owner at Corona Chimney Sweep, serving North Hollywood since he first started pulling pigeon nests out of Valley chimneys years ago.