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 Westwood, CA | Firebrick Chimney Sweep
We provide independent Silver Lakes HeatShield service and ceramic flue repair across Westwood, and there’s one thing that separates our HeatShield work here from everywhere else: we know what happens to a flue liner when a cabin sits empty from April through October, then gets asked to perform through a Sierra winter. Our technicians work on HeatShield Cerfractory sealant, resurfaced liners, and refractory mortar in Westwood homes every week. We’re manufacturer-trained on HeatShield repair methods, but we do not work for HeatShield. We work for you. Call (866) 520-4943 for a free estimate on HeatShield service in Westwood.
Why Westwood Residents Choose Us for HeatShield Service
Chimney work is all we do, and HeatShield is a material we use constantly, not occasionally. Nelson Quijada, our owner and lead chimney specialist, grew up off Cahuenga Boulevard and spent two decades working on the same hillside homes and mid-century bungalows he walked past as a kid before narrowing his focus entirely to flue systems, firebox masonry, and draft diagnostics. That depth matters when a HeatShield application starts showing cracks. We know whether it’s spalling from freeze-thaw or chemical degradation from creosote, because we’ve seen both in Westwood dozens of times.
We’re an independent HeatShield sales & service provider. That word “independent” matters more than most homeowners realize. We stock genuine HeatShield replacement materials and repair compounds locally, so when your flue needs resurfacing or a joint needs repointing before the first hard freeze, we’re not waiting on a distributor in Sacramento. And because Firebrick handles repair work alongside cleaning, a HeatShield problem found during a sweep gets fixed in the same visit more often than not. One company. No referrals. No second contractor showing up a month later.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Westwood
- Cerfractory flue sealant cracking and spalling from freeze-thaw cycles. Westwood sits at roughly 5,000 feet, and a flue that gets hot at night and freezes by morning goes through thermal stress most sealants never see. When the Cerfractory starts flaking, we grind out the damaged section and reapply with HeatShield’s pre-mixed refractory mortar, not a hardware-store patch.
- Resurfaced liners degrading from creosote corrosion after part-time residents skip cleanings. A cabin that sits empty all summer and fires up in November often has last season’s creosote still coating the flue. Creosote is acidic. It eats at a resurfaced HeatShield liner the same way it eats at clay tile. We remove the creosote first, then assess whether the liner surface is still sound.
- Refractory mortar joints failing in older masonry chimneys from dense pine and fir firewood. Westwood burns what grows around it. Pine and fir produce heavy creosote and burn hot. In the town’s older mill-era chimneys, the mortar joints between flue tiles crack under that heat load, and the gaps let smoke and gases into the house. HeatShield refractory mortar is our go-to for repointing those joints.
- HeatShield insulation settling or detaching in chimney caps under heavy snow load. A multi-flue cap that handled two feet of snow last winter might not handle four. When insulation inside the cap compresses or separates, draft suffers and water gets in. We inspect caps on every Westwood chimney, because we know what a Sierra snowpack does to them.
- Animal nests discovered at the first fall visit after a cabin sat empty. This is the Westwood-specific one. Squirrels, birds, and raccoons find an open flue in June and treat it like rent-free housing. By October, the nest is packed and baked into the flue walls. We remove it carefully, then check whether the HeatShield surface underneath needs touching up.
HeatShield Service in Westwood: What Local Conditions Mean for Your Equipment
Westwood’s seasonal cabin culture creates a problem most chimney companies in year-round communities never see. A chimney that sits untouched for five or six months develops issues silently. Rain gets past a cracked crown. An animal builds a nest that blocks the flue entirely. A small spall in the Cerfractory sealant spreads as freeze-thaw cycles work the crack wider, summer after summer. Then the first fall visit reveals damage that would have been minor in February but is now structural. This is the single biggest information-gain point for HeatShield owners in Westwood: the damage you find in October is almost always damage that started in March and grew while nobody was looking. That’s why we recommend a fall inspection for any HeatShield-serviced chimney on a seasonal property, even if the cabin “didn’t get used much” last winter. The flue doesn’t care how often you used it. The flue cared that it sat open to the weather for half a year.
Last October, we were called from HeatShield in Adelanto to a 1920s mill-era cabin on Ash Street in Westwood where the homeowner had skipped chimney maintenance for two seasons. Our tech found a HeatShield Cerfractory flue sealant that had cracked and spalled from freeze-thaw cycles, along with heavy creosote buildup. We removed the creosote, reapplied HeatShield refractory mortar to the flue, and installed a new multi-flue cap. By the first snow, the chimney was drafting safely again.
HeatShield Models & Products We Service in Westwood
We work with the full HeatShield product line: Cerfractory Flue Sealant, the Resurfacing System, Pre-Mixed Refractory Mortar, and HeatShield Insulation Products. When a repair calls for new materials, we use genuine HeatShield stock, not an aftermarket equivalent we hope behaves the same way. If a chimney’s damage is too extensive for HeatShield repair, such as widespread spalling or a crown that’s compromised beyond resurfacing, we tell you that plainly and recommend rebuilding or relining rather than patching something that’ll fail again in two winters. That honesty is the point of hiring a company that actually understands the material, not just one that stocks the can.
See the difference
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AfterHeatShield Service Pricing in Westwood
HeatShield chimney cleaning in Westwood typically runs between $180 and $340, depending on flue height, creosote condition, and whether the chimney has one flue or multiple. If we’re doing a HeatShield repair at the same time, the repair work is quoted separately after we’ve seen the flue with a camera. A free estimate from us includes a visual inspection of the accessible chimney components and a straight answer about what needs doing now versus what can wait. You’re never paying for a resurfacing job sight unseen, and you’re never getting a “repair” recommended without camera evidence you can look at yourself. For an exact HeatShield service quote in Westwood, call (866) 520-4943.
Serving Westwood, CA — Our Local Coverage Area
We’re based in the Westwood area and also offer HeatShield in San Fernando, so we know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in Westwood
Freeze-thaw cycles are the leading cause of HeatShield Cerfractory sealant failure in Westwood. When moisture works into a tiny crack in the sealant or the surrounding masonry, that moisture freezes and expands, and every cycle widens the crack a little more. After one hard winter, the sealant can start spalling away from the flue wall. This is not a product defect; it’s what high-elevation climate stress does to any ceramic material. Getting the chimney inspected before heating season means we catch small spalls before they become flue-wide failures. Call (866) 520-4943 to schedule a fall inspection.
Check for animal nests in the flue, cracking or spalling in the HeatShield sealant around the flue tiles, water stains on the ceiling near the chimney, and any damp smell in the firebox. An empty summer gives animals time to nest and gives water time to penetrate every small crack in the crown, the flashing, and the flue itself. Nelson Quijada once said it plainly: “A dirty flue isn’t a maintenance issue – it’s a fire waiting on a cold night.” And an empty cabin is exactly where that fire waits. Call (866) 520-4943 for a fall HeatShield inspection before you light the first fire.
Yes, in most cases HeatShield refractory mortar can repoint and resurface spalled brick and damaged flue joints. The key is that the underlying brick still has structural integrity. If the spalling is surface-level, we grind out the loose material and reapply HeatShield mortar, which bonds to the existing masonry and withstands the next freeze-thaw season. If the brick itself is crumbling, HeatShield alone won’t fix it, and we’ll tell you that. We don’t recommend a product when the structure can’t support it.
For wood stoves connected to a masonry chimney, HeatShield’s insulation mix around the flue liner helps maintain draft in cold weather, which is exactly what a wood stove needs when temperatures drop below freezing at night. The insulation keeps the flue gases hot enough to rise quickly, reducing creosote condensation and improving burn efficiency. We’ll assess your stove, your flue height, and your typical burn schedule before recommending an insulation spec, because a cabin that’s used on weekends has different draft behavior than a full-time home.
Yes. We use genuine HeatShield replacement materials and repair compounds for compatibility and longevity. Aftermarket equivalents introduce risks we won’t take, especially in Westwood’s freeze-thaw environment where a substandard repair fails faster. If we can’t get the right HeatShield product for your repair, we’ll say so and give you options rather than substituting a lookalike. Call (866) 520-4943 for a free quote.
Service Areas Near Westwood
Beyond Westwood itself, we provide HeatShield chimney cleaning and repair to homeowners in our Westwood service area and surrounding communities including HeatShield service in Culver City and HeatShield service in View Park-Windsor Hills. We also serve parts of Lassen County’s rural and vacation properties where seasonal cabins and wood stoves are common. If you’re not sure whether we cover your road, call us. The answer is usually yes.
Book Your HeatShield Service in Westwood Today
If your Westwood chimney hasn’t been inspected this fall, or if you’re seeing signs of HeatShield flue damage, now is the time to act before the snow arrives and the creosote builds up. Firebrick Chimney Sweep handles HeatShield in Northridge and Westwood inspection, cleaning, and repair under one roof, with genuine HeatShield materials and honest recommendations. Call (866) 520-4943 for a free estimate.
Written by Nelson Quijada, Owner at Firebrick Chimney Sweep, serving Westwood chimney systems for decades.