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 Flushing, NY | Flint Chimney Co Hempstead
We’re Flint Chimney Co Hempstead, and we provide independent HeatShield chimney cleaning and repair as a Flushing Chimney Sweep. We run more HeatShield-lined flues here than any independent crew in the area, and the thing that makes our work different is simple: we know how shared party-wall chimneys and converted multi-family boilers stress this material in ways a suburban manual never covers. Call (516) 559-6922 for a written estimate before any work starts.
Why Flushing Residents Choose Us for HeatShield Service
HeatShield is a ceramic-cement liner system, and it behaves differently in a 1928 rowhouse on 45th Avenue than it does in a detached colonial in Nassau. Our crews have spent the better part of two decades pulling creosote, relining, and repairing HeatShield in Flushing’s attached brick stock and high-rise co-ops. Hank Delano, our owner, learned this trade at Los Angeles Trade-Technical College and has been running chimney crews across Queens and Nassau ever since. He’s known for our Chimney Inspection in Flushing, straight answers on liner condition, and not quoting work a chimney does not actually need.
We’re an independent HeatShield service provider, not manufacturer-affiliated or authorized. That matters because we don’t answer to a sales quota. We answer to what the flue actually shows us. Our techs are background-checked and uniformed on every call, and a live person answers the phone day or night. Every job gets a written price before a single tool comes off the truck. That’s The Garrison Standard, and it applies to every HeatShield sales & service call we run.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Flushing
- Spalling on one side of a shared flue. Flushing has a huge concentration of pre-1930 rowhouses with shared party-wall chimneys. When a neighbor relines only their side, the unlined side leaks exhaust into the HeatShield surface. We see spalled patches and carbon monoxide drift from this pattern regularly, especially on 167th Street and 45th Avenue.
- Hairline cracks that pass a visual check but fail a camera scan. Multi-boiler conversions in Flushing’s converted two-family homes create flue gas condensation and backdrafting soot. That eats into HeatShield’s Cerfractory layer. A visual inspection won’t catch it. A Level 2 camera scan will.
- Rusted top plates and caps from salt air. Flushing Bay sits close enough that salt air accelerates corrosion on stainless top plates and cap joints. We regularly replace cap assemblies that have rusted through within five to seven years, letting water get behind the HeatShield liner.
- Pinholes from sulfur-rich heating oil soot. In Murray Hill basements with old unlined brick, HeatShield applied directly over the masonry develops pinholes from heating oil soot. Damp winters and freeze-thaw cycles turn those pinholes into spalled patches.
- Delaminated smoke chambers. We pulled a HeatShield-lined fireplace flue on 164th Street where the Cerfractory had delaminated after years of damp, salty air. The homeowner’s gas insert was backdrafting. We removed the loose material, re-pointed the smoke chamber brick, and applied a fresh HeatShield smoke chamber system, then camera-scanned to confirm zero cracks before the first cold snap.
HeatShield Service in Flushing: What Local Conditions Mean for Your Equipment
Flushing has one of the highest concentrations of pre-1930 attached rowhouses in Queens with shared party-wall chimneys, many on streets like 167th Street and 45th Avenue. That changes how HeatShield inspection has to work here. In a single-family suburban home, you inspect your flue and you’re done. In Flushing, we always check the condition of the neighbor’s flue condition too, because a liner on only one side of a shared stack can kill draft and push carbon monoxide into both homes. This is not a line from a training manual. It’s what we find on job after job in the Murray Hill and Broadway-Flushing areas, where pre-1930 rowhouses often have unlined or clay-tile-lined chimneys running between units. When an adjacent owner relines only their side, the shared chimney can develop dangerous pressure imbalances. HeatShield owners in Flushing need a service provider who understands that drafting and carbon monoxide risk in a shared stack is not the same as in a standalone chimney. Our Flushing service area coverage includes exactly this kind of inspection, every time.
HeatShield Models & Products We Service in Flushing
We service every HeatShield product line currently in the field: HeatShield Cerfractory Flue Sealant, HeatShield Joint Repair System, HeatShield Smoke Chamber Repair System, and HeatShield Resurfacing System. When a repair is needed, we use only genuine HeatShield Cerfractory compound, joint mesh, and application tools. Never generic refractory mortar. The material’s expansion rate has to match the existing liner, or you’re creating a new failure point. Parts are stocked locally for fast Flushing turnaround, so we’re not waiting on a distributor when your flue needs attention before heating season.
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AfterHeatShield Service Pricing in Flushing
A standard HeatShield chimney cleaning in Flushing typically runs $220 to $380, depending on flue condition, roof access, and whether the chimney is shared. A Level 2 camera inspection runs $150 to $300 and is worth every dollar in a rowhouse with a shared stack. HeatShield smoke chamber repair typically runs $600 to $1,500 depending on the extent of spalling and whether re-pointing is needed. Full HeatShield resurfacing runs $2,800 to $6,500 for a single flue, though multi-flue shared chimneys cost more due to access and party-wall work. Every estimate is written before work starts, and the number on the invoice is the number you approved. Call (516) 559-6922 for an exact quote. The flue tells the truth. You just have to know how to read it.
Serving Flushing, NY - Our Local Coverage Area
We’re based in the Flushing area and 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 Flushing
Technically yes, but we recommend against it and will tell you that plainly. A liner on only one side of a shared party-wall stack creates pressure imbalances that can push exhaust and carbon monoxide into the unlined side, then back into your home. The correct fix is to assess both flues and line the entire shared stack if either side is failing. Call (516) 559-6922 and we’ll camera-scan your specific stack before recommending anything.
Yes, with a caveat. The Cerfractory ceramic layer itself holds up well. The failure point in Flushing is the stainless top plate and cap assembly, which salt air corrodes within five to seven years. We recommend checking cap and flashing joints at every annual inspection and replacing corroded components before water gets behind the HeatShield liner. Call (516) 559-6922 to schedule a cap and flashing check.
In most Flushing multi-unit buildings we see, the cause is backdrafting from a shared flue or a converted boiler system, not the HeatShield itself. When multiple heating systems vent into one stack, or when a neighbor’s unlined flue leaks into yours, the draft reverses and pushes smoke into your unit. A Level 2 camera scan tells us exactly where the failure is. Call (516) 559-6922 for a diagnostic inspection.
Every year, before the heating season. Flushing’s humid continental climate, with cold damp winters and nor’easters, plus salt air from Flushing Bay, accelerates mortar deterioration and cap rust. Annual inspection catches spalling, hairline cracks, and cap corrosion before they become a liner failure. Call (516) 559-6922 to book your pre-season inspection.
Sometimes. If the spalled area is under 30% of the HeatShield surface and the underlying clay tiles are intact, a joint repair or targeted patch with genuine HeatShield Cerfractory compound is a sound fix. If spalling exceeds 30% or the underlying tiles are missing, we recommend a full stainless reline or HeatShield resurfacing, because patching a failing system just delays the inevitable. Call (516) 559-6922 and we’ll show you the camera footage so you can see the scope yourself.
Service Areas Near Flushing
We cover Flushing and the surrounding areas, including Jamaica, Hempstead, Long Beach, Freeport, and Oceanside. If you’re in a neighboring neighborhood with a shared chimney or a HeatShield liner, we’ll bring the same camera-first approach. See our HeatShield service in Jamaica and HeatShield service in Hempstead pages for specifics on those areas.
Book Your HeatShield Service in Flushing Today
Call (516) 559-6922 for a free estimate. We’ll give you a written price before any work starts, and every repair carries our 365-Day Done Right Promise. A live person answers, day or night.
Written by Hank Delano, Owner at Flint Chimney Co Hempstead, serving Flushing since 2002.