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 Van Nuys, CA | San Bernardino Chimney Sweep
We provide our HeatShield services, including chimney cleaning and resurfacing, across Van Nuys, and the one thing that sets our work here apart is what we find underneath the coating: original 1950s clay-tile flues with cracked mortar joints that have to be repaired before any HeatShield bond will hold. That pre-coating substrate check changes how long a Van Nuys liner lasts, and it’s why we camera every flue before we quote. Call (877) 516-7159 for a straight answer on whether your HeatShield liner is sound.
Why Van Nuys Residents Choose Us for HeatShield Service
We’ve been sweeping and relining San Fernando Valley chimneys for years as an independent HeatShield applicator, which means our only job is getting your flue sound, not selling you a brand. 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 chimneys and fireplaces in Southern California homes. He trained in HVAC and building systems at San Bernardino Valley College before narrowing his focus to chimney maintenance and venting safety, and he built our shop’s reputation on straight talk: we’ll tell you exactly what we found in your flue, why it matters, and what actually needs to be done versus what can wait.
We work on HeatShield systems every week in Van Nuys, including Sherman Oaks HeatShield service nearby, from original 1950s clay-tile flues off Van Nuys Boulevard to newer cast-in-place liners. We carry genuine HeatShield lining and TherMix materials for resurfacing work because a mismatched coating on a cast-in-place flue is a do-over waiting to happen. And because we’re local to the Valley, we don’t schedule a Van Nuys visit like a distant dispatch, we show up knowing what the tract-home flues in 91405 and 91406 typically look like before we ring the bell.
Styles & brands we work with
Common HeatShield Chimney Cleaning Problems We Solve in Van Nuys
- Delamination where the clay tile beneath has cracked. Van Nuys sits on some of the Valley’s most active soil-and-heat cycling. Original 1950s clay-tile flues shift and crack at the mortar joints, and a HeatShield ceramic coating that looks intact from the top can be pulling away underneath. Camera inspection catches this before a chimney fire does.
- Hairline cracking from thermal shock. Dry Santa Ana summers leave flues idle for months, then winter cold snaps bring heavy open-hearth burning. That heat cycle stresses the HeatShield surface, especially if it was never re-inspected after installation.
- Soft spots from worn TherMix insulating mortar. In older Van Nuys tract flues where the original tile job was already uneven, missing or degraded TherMix behind the liner face shows up as reduced draft and weak spots on a sweep.
- Failed bond at the smoke chamber transition. If soot and glazed creosote were never fully stripped before a resurfacing job, the HeatShield layer lifts at the shelf. We fix this with proper prep and a re-application that actually adheres.
- Downdraft and smoke blowback during Santa Ana wind events. The Valley’s famous wind events push smoke back into living rooms when flues aren’t clean and caps aren’t doing their job. A clean, properly capped flue is the difference between a cozy night and a smoke-filled den.
HeatShield Service in Van Nuys: What Local Conditions Mean for Your Equipment
Van Nuys Boulevard’s older tract blocks sit on some of the Valley’s most active soil-and-heat cycling, so we routinely find original 1950s clay-tile flues with missing mortar joints and hairline tile cracks before any HeatShield resurfacing can even be quoted. The substrate has to be sound first. That pre-coating repair step, repointing loose joints and stripping old glaze before applying the ceramic lining, is a bigger share of our Van Nuys work than a clean flue in a newer neighboring city would ever need, because those newer flues don’t carry seventy years of shifting Valley soil and thermal cycling in their tile work. If you own a ranch or cottage tract home in 91401 or 91405 with its original fireplace, the odds are good your flue needs joint work before it ever sees a fresh coat.
On a ranch home just off Van Nuys Boulevard in 91405, our tech pulled a cap packed with leaf litter and found the original 1950s clay flue had cracked at two mortar joints, letting creosote glaze reach the outer brick. We stripped the glaze with a rotary pass, repointed the joints, then applied a HeatShield cast-in-place lining and set a new multi-flue cap. The homeowner lit the first fire of the cold snap with a clean, properly drafting flue. That sequence, inspection first, substrate repair second, coating only when it will hold, is how we handle every HeatShield job in Van Nuys.
HeatShield Models & Products We Service in Van Nuys
We service every HeatShield product line you’re likely to find in a Van Nuys home, and we also offer HeatShield repair in Encino. That includes the original HeatShield cast-in-place ceramic flue lining, HeatShield TherMix insulating mortar for cast-in-place liners, and HeatShield refractory resurfacing compound for firebox and smoke chamber repairs. We also see a lot of HeatShield-lining retrofits applied over original clay-tile flues in 1950s tract homes, and those are the jobs where substrate condition matters most.
When resurfacing is needed, we use genuine HeatShield lining and TherMix materials. On hardware like caps, dampers, and spark arrestors, we’ll fit quality aftermarket parts where they’re as good as OEM. And if a flue is too far gone for a HeatShield bond, we’ll say so and quote a liner replacement instead of coating a dead substrate. We’re independent, not manufacturer-affiliated or authorized, and we’d rather lose a coating job than sell one that fails.
See the difference
Before
After
Before
After
Before
AfterHeatShield Service Pricing in Van Nuys
Chimney cleaning in Van Nuys, which includes a camera inspection and full creosote removal, typically runs $150 to $250. If we find a cracked flue, a standard HeatShield resurfacing job often lands between $800 and $1,300 depending on flue length and how much joint repair comes first. Pre-coating substrate repair (repointing before lining) adds $200 to $500 on older tract homes where the original tile has failed. A full liner replacement, when a flue is too far gone for a HeatShield bond, ranges from $2,500 to $5,000. Every quote starts with a free estimate, and you’ll see the camera footage yourself before we recommend spending a dollar. Call (877) 516-7159 for an exact number on your flue.
Serving Van Nuys, CA — Our Local Coverage Area
We’re based in the Van Nuys area and know this community well, and we also provide HeatShield service in North Hills. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in Van Nuys
No. HeatShield won’t bond properly over cracked or shifting clay tile, and coating a cracked substrate guarantees the ceramic layer pulls away within a season or two. We repoint the tile joints and stabilize the flue first, then apply HeatShield only when the substrate is sound. In Van Nuys tract homes from the 1950s, that pre-coating repair is often half the job. Call (877) 516-7159 and we’ll camera your flue before quoting anything.
Wind-driven downdraft is almost always a combination of a dirty or restricted flue and a cap that isn’t doing its job. In Van Nuys, dry Santa Ana winds hit ranch and cottage rooflines hard, and a flue with creosote buildup or a missing spark arrestor will push smoke back into the house. We clean the flue, check the cap, and often recommend a multi-flue cap that interrupts downdraft. It’s a common call during cold snaps, and we can usually fix the draft issue the same visit.
The only way to know is a Level 2 camera inspection. A HeatShield liner can look fine from the top while delaminating at the mortar joints underneath, especially in Van Nuys where soil shifting and thermal cycling have been working on the original tile for seventy years. We run a camera the full length of the flue and show you what we see. If the coating is sound, we’ll tell you it’s sound. If it’s lifting, you’ll see exactly where.
It can be, if your flue is cracked and you want to keep burning safely. HeatShield resurfacing costs less than a full liner replacement and keeps an original fireplace functional without opening walls. But we’ll tell you straight if your flue is too far gone for a coating and a liner replacement is the only safe route. A few cords a winter still produces creosote, and a cracked flue is a fire hazard no matter how often you burn. Call (877) 516-7159 for an honest read on your flue.
Yes. Every sweep includes a cap check, and in Van Nuys we find caps packed with leaf litter from the Valley’s wind events more often than not. A plugged or missing cap causes downdraft and lets rain and debris into the flue. We’ll replace or repair the cap as part of the visit, and we’ll show you what we found before we do.
Service Areas Near Van Nuys
We serve Van Nuys and the surrounding San Fernando Valley communities, including Valley Glen and Palms. If you’re in HeatShield service in Valley Glen, we cover that area regularly. We also serve homeowners further afield looking for HeatShield service in Palos Verdes Estates. For the full Van Nuys service area, including the 91408, 91409, 91410, and 91411 ZIP codes, give us a call.
Book Your HeatShield Service in Van Nuys Today
If your Van Nuys chimney hasn’t been camera-inspected this year, now’s the time, before the next cold snap hits and you’re lighting fires against a dirty flue. Call (877) 516-7159 for a free estimate and we’ll tell you exactly what your flue needs. A clean flue isn’t a luxury, it’s just how you keep the fire where it belongs.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving Van Nuys and the San Fernando Valley.