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 Inspection in Hempstead: What to Know First
Flint Chimney Co Hempstead provides independent HeatShield chimney inspection across Hempstead, NY, with most inspections completed in about an hour and a written report in your hand before we leave. A standard Level 2 camera inspection of a HeatShield flue system typically runs $225 – $400 in Hempstead, depending on flue height and access. We are an independent HeatShield service provider, not a factory-authorized dealer, which means our camera findings get reported straight without any pressure to sell you a reline you don’t need. If you’re a Hempstead homeowner with a HeatShield liner or repair and want a straight answer on its condition, call (516) 559-6922.
How HeatShield Products Fail – and How We Fix Them
HeatShield products show specific failure patterns that differ from stainless liners or clay tile. Our inspectors in Hempstead see the same issues repeat across Nassau County homes, and knowing the product line tells us what to look for before the camera even goes up the flue.
- HeatShield CeCure (sprayed ceramic liner): pinhole spalling at the throat. The throat area takes the worst of the temperature swings, and on 10-to-15-year-old CeCure applications we regularly spot surface pitting where the ceramic has begun to shed. A homeowner can’t see this from the firebox. The camera can. We map the affected area and the repair is usually a scoped HeatShield patch, not a full tear-out.
- HeatShield FC (flue coating for clay tile): cracks along mortar joints. FC is a resurfacing ceramic, and where the original clay tile mortar was beginning to fail, the coating tends to telegraph that joint line. In Hempstead homes built in the 1950s through the 1970s, this is the single most common HeatShield failure mode we document. The fix is to prep and recoat the affected segment, assuming the underlying tile is still structurally sound.
- HeatShield liner-to-connector transition gaps. Where a HeatShield-coated flue meets a stainless connector at the appliance end, we occasionally find separation caused by differential expansion. This reads as a gap on camera and is a carbon monoxide reportable issue. The repair is mechanical, not cosmetic: reseat, seal with the correct high-temp product, and verify by camera.
- Improper original heat cure. Some HeatShield products, especially FC, require a controlled heat cure after application. We have inspected Hempstead flues where the coating was never fully cured, leaving it soft and chalky in spots. This is an installation problem, not a product problem, and the fix means recuring or recoating the affected area.
- Storm-driven moisture intrusion at the crown. Hempstead winters alternate freeze and thaw, and a cracked crown lets water run down inside the flue. That water eventually degrades any ceramic-coated surface. On HeatShield work we always inspect the crown and shoulder area as part of the service; a flue interior doesn’t fail in a vacuum, and the fix often starts at the top.
Styles & brands we work with





Our HeatShield Chimney Inspection Process
Every HeatShield inspection in Hempstead follows the same sequence, and the price is in writing before the truck gets there.
- 1
You call and we quote a flat price. We ask for flue height and last service date. You get a written price for the inspection before you commit. No surprises at the door.
- 2
The camera goes in. We run a Level 2-style camera inspection from firebox to crown. The camera records everything, and you’ll see the footage, not a summary filtered through a sales pitch.
- 3
We read the HeatShield specifically. Flue condition, coating thickness where accessible, joint integrity, and the transition points where ceramic meets steel.
- 4
Findings are written and photographed. You get a written report with photos. If we see nothing wrong, the report says maintenance is current and no work is needed. We don’t invent repairs.
- 5
If repair is needed, we quote it in writing. We’ll say whether the HeatShield can be patched or recoated, or whether the condition justifies replacement. Parts decision is always stated: HeatShield product where the repair is warranty-sensitive, quality equivalent where it isn’t.
- 6
Cleanup and guarantee. The work area is cleaned, the flue is retested, and everything we repaired carries the 365-Day Done Right Promise in writing.
See the difference
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After
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AfterWhat HeatShield Chimney Inspection Costs in Hempstead
A standard visual Level 1 inspection of a HeatShield flue in Hempstead runs $150 – $225. A Level 2 camera inspection, which is what we recommend for any HeatShield system older than five years or before a home sale, runs $225 – $400. If we’re already on site for a sweep, the camera inspection is done at the same time and the combined rate is lower than booking separately. What moves the price: flue height, roof pitch, access difficulty, and whether the chimney has multiple flues serving separate appliances. A real estate inspection for a Hempstead home sale with HeatShield components runs $275 – $450 because the documentation standard is higher. Call (516) 559-6922 and we’ll quote your exact job before we show up.
Why Hempstead Homeowners Call Flint Chimney Co Hempstead for HeatShield Work
We run by The Garrison Standard, which is the same code every Garrison Partners location follows. That means a written price before work begins, background-checked and uniformed technicians on every call, and a live person answering the phone around the clock. Our 365-Day Done Right Promise covers every HeatShield repair for a full year, and if a covered repair fails, we return at no charge. We work with HeatShield, DuraFlex, and Gelco products daily, so when a flue issue is better served by a different material, we tell you and specify accordingly. Hank Delano has spent nearly two decades running chimney crews across Nassau County, including steady work in the Fulton neighborhood of Hempstead. The flue tells the truth. You just have to know how to read it.
FAQs
We are an independent HeatShield service provider, not a factory-authorized dealer, and we’ll be direct with you about when a repair is best done with HeatShield product versus a quality equivalent material. When a covered repair needs HeatShield product to keep a manufacturer warranty intact, we’ll tell you and quote it that way. Your written estimate will state exactly what material was used and why. For repair warranty specifics on your exact HeatShield product, call (516) 559-6922 and we’ll help you make sense of it.
Every two years for a regularly used fireplace or stove, and once a year if you burn more than a cord of wood per season. Hempstead’s freeze-thaw winters stress the crown and shoulder, and an annual camera inspection of an older HeatShield system catches surface degradation before it becomes an interior flue problem. Even if you barely use the fireplace, inspect annually; the flue interior is invisible from the firebox.
No, and we won’t pretend otherwise. A visual Level 1 inspection can only see the first few feet of flue from the top and bottom. HeatShield coating failure tends to start at the throat and mid-flue where mortar joints run, and that area is not visible without a camera. Any inspection that calls itself thorough on a HeatShield system without a camera is reporting on what it couldn’t see. Call (516) 559-6922 for a camera inspection with a written report and photos.
Most inspections in Hempstead get scheduled within a few days, and we’ll give you a live answer when you call. A real estate inspection for a pending sale gets priority when we know the closing date. You’ll have a written report the same day.
The failure mode we see most often is silent. A compromised HeatShield surface lets heat and combustion gases reach the masonry behind it, and the first sign a homeowner notices is usually a stain or odor in the wall, not a fire. Carbon monoxide from a separated heat transition point is the risk that worries us most on older HeatShield installs that haven’t been camera-inspected in years. Skip the inspection and you’re gambling on something you can’t see. A camera inspection is under $400 and it settles the question. Call (516) 559-6922.
Written by Hank Delano, Owner, Flint Chimney Co Hempstead at Flint Chimney Co Hempstead, serving Hempstead and nearby areas.