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 Des Plaines, IL | Duke Chimney Sweep
We provide independent HeatShield chimney cleaning and restoration service across Des Plaines, IL. What makes our HeatShield work different here is simple: we know these older clay-tile flues and what the river-corridor dampness plus O’Hare flight-path freeze-thaw does to them year after year. If you need a sweep, a camera inspection, or a resurfacing evaluation on a HeatShield-coated flue, call (844) 660-6510 for a free estimate.
Why Des Plaines Residents Choose Us for HeatShield Service
HeatShield isn’t a product you learn from a brochure. It’s a flue restoration system that behaves differently depending on the chimney it’s applied to, the moisture that gets behind it, and the condition of the crown above it. We work on HeatShield flue lining and restoration systems every week across Des Plaines, so we’ve seen how the product holds up in the original clay-tile chimneys that dominate the 60016 and 60018 neighborhoods. We’re an independent chimney company, not affiliated with or authorized by HeatShield, and we recommend the product only when the flue condition actually calls for it.
Rob Szymanowski, our owner, grew up in Wheeling and spent years working chimneys and dryer vents across Cook County before founding Duke Chimney Sweep. He learned the mechanical and safety fundamentals of the trade through the HVAC and building systems program at Harper College in Palatine. That background matters when we’re evaluating whether a HeatShield resurfacing job will hold or whether the flue needs a full reline. We stock genuine HeatShield system components locally for faster Des Plaines turnaround, and we show up with the same HeatShield sales & service expertise on every job, whether it’s a simple sweep or a full coating evaluation.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Des Plaines
- Cerfractory coating failing over a damp flue. In the river-adjacent parts of Des Plaines, humid summers keep moisture trapped inside older clay-tile flues. A Cerfractory flue sealant applied over a flue that wasn’t fully dry or properly cleaned will bubble, separate, and fail within a few seasons. We see this on 1950s ranches where the coating was applied years ago and nobody addressed the moisture source first.
- Resurfaced tiles cracking again after freeze-thaw. Des Plaines winters are hard on chimneys. When a HeatShield resurfacing system is applied to flue tiles but the exterior crown and flashing above them are left unrepaired, water keeps coming in from the top. The freeze-thaw cycles do the rest: the coating can’t compensate for structural water entry, and the tiles crack again.
- Coating over tiles that should have been replaced. HeatShield resurfacing makes sense on tiles that are still worth saving. On some older Des Plaines chimneys, the original clay tiles are too spalled or misaligned for a surface repair to work. In those cases, the honest answer is full relining, not a coating. We’ll tell you which one applies to your flue after a Level 2 camera inspection.
- Gas-converted fireplaces with undersized or dirty flues. A lot of wood-burning fireplaces in Des Plaines were converted to gas inserts in the 1990s. Many were never properly cleaned or resized for the insert. The original flue gets coated, relined, or resurfaced without correcting the venting, and the chimney drafts poorly afterward. We check the sizing and condition before recommending any HeatShield work.
- Creosote buildup on HeatShield-coated flues. Even a HeatShield-coated flue needs regular sweeping. On wood-burning fireplaces in Des Plaines ranches and split-levels, creosote still accumulates on the coating surface. We remove it carefully so the coating isn’t damaged by aggressive brushing, which is a real risk when a generalist sweep doesn’t know the product.
HeatShield Service in Des Plaines: What Local Conditions Mean for Your Equipment
Des Plaines sits directly under O’Hare’s flight path and along the Des Plaines River corridor. That’s not just a geographic footnote. The damp river-corridor air plus repeated freeze-thaw is exactly the combination that cracks original clay flue tiles and spalls crowns on the older stock of 1950s and 1960s ranches and split-levels here, especially in 60016 and near downtown. On the older ranches off the river side, we routinely find flue tiles cracked from decades of moisture cycling, and a routine sweep often turns into a HeatShield evaluation: can this flue be resurfaced with HeatShield repair in Mount Prospect and surrounding areas, or does it need a full reline? That’s the decision point we help Des Plaines homeowners understand, using camera inspection so you see what we see before any coating is recommended.
On a 1950s brick ranch near downtown Des Plaines in 60016, our tech swept a wood-burning fireplace that had been converted to a gas insert back in the 1990s and never properly cleaned, then ran a Level 2 camera inspection on the original clay-tile flue. The tiles showed cracked joints and spalling, but the crown and flashing were also failing and feeding water back in. We recommended crown repair and waterproofing first, then discussed HeatShield resurfacing versus a full reline once the flue was dry. That’s the order of operations that actually holds up in this climate.
HeatShield Models & Products We Service in Des Plaines
We service and maintain the full HeatShield product line across Des Plaines: the Cerfractory Flue Sealant (ceilCoat) for sealing and resurfacing clay-tile flue joints, the HeatShield Resurfacing System for restoring spalled or gapped flue tiles in place, the HeatShield Heatseal Insulation Wrap for relined stainless or ceramic flues, and the Crown Coat and CrownSeal exterior crown coating products. For any resurfacing or sealing work, we use genuine HeatShield system components and manufacturer-specified mix. We stock what’s needed locally for faster Des Plaines turnaround, and we use quality aftermarket parts only where they don’t affect the integrity of the flue system. Our repair-first approach is built around the idea that restoring a flue in place often beats tearing it out, but only when the tiles underneath are sound enough to justify it.
See the difference
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AfterHeatShield Service Pricing in Des Plaines
HeatShield chimney cleaning and resurfacing work in Des Plaines varies by flue condition. A Level 2 camera inspection typically runs $150-$350 depending on access and flue height. Creosote removal on a HeatShield-coated flue runs $150-$300, and crown repair with waterproofing typically falls between $400-$900 depending on crown condition and accessibility. A full HeatShield resurfacing evaluation, including the camera inspection and a written condition report, is included with our free estimate process. What drives the cost is what the camera shows: a simple sweep is one thing, a resurfacing recommendation is another, and a full reline is a different scope entirely. We’ll show you the footage and explain what’s worth doing now and what can wait. Call (844) 660-6510 for an exact quote, estimates are free.
Serving Des Plaines, IL — Our Local Coverage Area
We’re based in the Des Plaines area and know this community well, and we also provide Elk Grove Village HeatShield service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs — HeatShield Chimney Cleaning in Des Plaines
It depends entirely on the condition of the tiles. HeatShield resurfacing works when the tiles are cracked at the joints or mildly spalled but still structurally sound. If the tiles are misaligned, heavily spalled, or the joints are wide open, the coating won’t save them, and a full reline is the honest answer. We run a Level 2 camera inspection to see exactly what’s there before we recommend anything. Call (844) 660-6510 to schedule an inspection.
Most of the housing stock in those Des Plaines neighborhoods was built in the 1950s and 1960s with original clay-tile flues. Sixty-plus years of freeze-thaw cycles, river-corridor humidity, and heat from regular burning takes a toll on clay tiles and masonry crowns. A sweep is always the starting point, but it’s often the camera inspection afterward that reveals what actually needs attention, whether that’s routine maintenance or Schiller Park HeatShield service for nearby homeowners. That’s why we treat every sweep as part of a full flue evaluation, not just a brush through the stack.
Yes. Gas inserts don’t produce creosote the way wood does, but the original flue still collects debris, animal nesting material, and deteriorating clay tile fragments over time. Many of the 1990s gas conversions we see in Des Plaines were never properly cleaned or sized for the insert. A blocked or poorly drafting flue on a gas appliance is a carbon monoxide risk, so we recommend an inspection even if you don’t burn wood anymore.
It damages the substrate under the coating more than the coating itself. When moisture gets into the clay tiles behind a Cerfractory coating, the freeze-thaw cycling in Des Plaines winters expands and contracts the masonry. The coating can’t hold up if the tile structure underneath is failing or if water is entering from a cracked crown above. That’s why we always address crown repair and waterproofing before any HeatShield resurfacing work. The coating is only as good as the chimney it’s applied to.
No. Duke Chimney Sweep is an independent chimney company serving Des Plaines and the surrounding suburbs, offering our Chimney Sweep in Des Plaines. We’re not affiliated with, authorized by, or endorsed by HeatShield. We use genuine HeatShield components because they’re specification-grade materials, and we recommend the product when the flue condition warrants it, not because of any manufacturer relationship. If your flue doesn’t need HeatShield, we’ll tell you that plainly.
Service Areas Near Des Plaines
Duke Chimney Sweep works throughout the northwest suburbs. If you’re in Schaumburg, Hoffman Estates, Roselle, Hanover Park, or Medinah, we provide the same HeatShield inspection and restoration service. We also serve HeatShield service in Buffalo Grove and HeatShield service in Rosemont, and you can see our full coverage area on our Des Plaines service area page.
Book Your HeatShield Service in Des Plaines Today
If your Des Plaines chimney needs a sweep, a camera inspection, or a HeatShield evaluation, call (844) 660-6510. We’ll schedule a free estimate, run the camera, and show you exactly what’s going on inside your flue. Rob and the team will tell you what you’re seeing, and what it actually means.
Written by Rob Szymanowski, Owner at Duke Chimney Sweep, serving Des Plaines and the northwest suburbs.