Level 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.
Fast, Reliable Chimney Cap & Crown Across Bethpage
A chimney cap and crown repair in Bethpage typically costs between $280 and $850, with most jobs completed in a single visit after a Level 2 camera inspection. Our Chimney Cap & Crown team serves Bethpage from our New York City dispatch office, and we’ve spent decades working on the exact post-war housing stock that defines this hamlet. Call (934) 348-4832 for a free estimate, or read on to understand why Bethpage’s original Grumman-era chimneys fail the way they do.
Bethpage is not like newer Long Island developments. Block after block of late-1940s through 1960s Cape Cods and ranches, built fast for Grumman Aircraft workers, carry original single-flue masonry chimneys now 65 to 75 years old. Most were sized for oil heat, then converted to gas without relining. That’s why our Chimney Cleaning & Sweep in Bethpage starts with understanding your flue’s history. That history lives in your flue, your crown, and your cap, whether you’ve thought about it or not. We have.
Why Hearthstone Chimney Co. Is Bethpage’s Preferred Chimney Cap & Crown Company
We’ve been answering the phone with a live person for over 42 years, and that includes every hour of every day right now. Bethpage homeowners call us because they have been burned by contractors before and they remember it. They want photos they can see, a plain-English verdict, and a number on the estimate that matches the number on the invoice.
Our technicians are background-checked and uniformed. Most jobs are completed in a single visit. We document every inspection with a Level 2 camera and show you the footage before recommending any work. The 90-Day Done Right Promise is in writing, with no arguing. If it’s not right, we come back.
We know the difference between a Broadway-area Cape and a split-level off Hempstead Turnpike. We know which blocks still have original concrete crowns poured in the 1950s that are now spalling through Nassau County’s hard freeze-thaw cycles. That local knowledge means we diagnose faster and quote accurately.
Our Chimney Cap & Crown Services in Bethpage
Cap Installation
A proper cap is the cheapest insurance against water damage your chimney will ever get. In Bethpage, we install stainless steel and copper caps from Gelco and Olympia Chimney that withstand salt-laden Atlantic air far better than the galvanized boxes sold at hardware stores. Most original caps on these 1950s Capes have rusted through at the screen and rivets within a decade. We measure your flue or flues on site, fabricate or stock the correct cap, and set it with proper clearances and a drip edge that sends water away from the masonry, not into it.

Cap Replacement
Replacement is what we do most often in Bethpage. The old cap is rusted, missing, or was never the right size to begin with. We remove it, inspect the crown and flue top with a camera, and only then recommend the replacement. For homes with multiple flues or an oversized oil-era flue now venting gas, we often specify a multi-flue cap that covers the entire crown and protects the vulnerable concrete edges. This is especially common on the expanded ranches near the Plainview border where a second flue was added for a Bethpage Fireplace Services installation or insert.

Crown Repair
The concrete crown is the chimney’s roof. On Bethpage’s original 1950s construction, these were poured thin, often without proper reinforcement or overhang, and 75 years of Long Island winters have taken their toll. Spalling, crazing, and washboarding let meltwater penetrate behind the top clay tile, where it freezes, expands, and rots the mortar joints below. We grind out the damaged concrete, rebuild with proper slope and drip edge, and seal the repair so water runs off, not in. When Chimney Repair in Bethpage includes crown work, it typically runs $380 to $650 for a single-flue stack.

Crown Coating
Not every cracked crown needs rebuilding. If the concrete is structurally sound but weathered, we apply a flexible crown coating, typically HeatShield or a compatible professional-grade system, that bridges hairline cracks and restores waterproofing. This is a cost-effective option for Bethpage homeowners whose crowns are showing early wear but haven’t yet failed. Crown coating typically runs $280 to $450. We show you the camera footage of the crown from above and below so you can see whether coating is sufficient or if the concrete is too far gone.

Multi-Flue Cap
Many Bethpage homes, especially the larger ranches and split-levels near Farmingdale, have two or more flues sharing one chimney stack. A multi-flue cap covers the entire crown with a single stainless hood, protecting the concrete perimeter and keeping debris and animals out of all flues at once. We size these to your specific chimney footprint, not a generic big-box dimension. Multi-flue cap installation in Bethpage typically runs $520 to $780.

Custom Cap
Some chimneys in Bethpage, particularly on modified Capes with additions or on homes where the original flue was relined with an insulated stainless liner, need a cap fabricated to non-standard dimensions. We measure, specify, and install custom caps from Copperfield and Gelco that fit correctly the first time. Custom work starts around $650 and is quoted after measurement.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Bethpage
We work exclusively with professional-grade materials: DuraFlex for relining and venting components, HeatShield for crown coating and liner restoration, Gelco and Olympia Chimney for caps and dampers, plus Famco and Copperfield for specialty fabrications. We stock common cap sizes and crown repair materials locally, so Chimney Cap & Crown in Bethpage jobs aren’t delayed waiting for parts. When your crown is open to the sky, speed matters.
Common Chimney Cap & Crown Problems We See in Bethpage Homes
- Original concrete crowns spalling through freeze-thaw. Nassau County winters hit hard. Water enters micro-cracks in 1950s crown concrete, freezes overnight, and pops off surface layers. By spring, the crown looks like a gravel driveway. Meltwater runs behind the top clay tile and rots mortar joints you cannot see from the ground.
- Galvanized and steel caps corroding in salt air. Bethpage’s proximity to the Atlantic means salt-laden air accelerates rust on cheap metal components. We regularly find caps with screens rusted away and rivets failed, leaving the flue open to rain and squirrels. Stainless or copper is the only sensible replacement here.
- Oversized oil-era flues condensing and acid-etching from the inside. This is the Bethpage signature problem. An 8-inch clay tile flue venting a modern gas boiler never warms enough to stop condensation. Sulfuric acid forms, etches the tile from the inside out, and attacks the mortar joints at the flue top. The crown looks fine from the yard while the interior is being destroyed.
- Missing or improperly sized caps allowing water directly into the smoke chamber. On a Cape Cod block off Broadway near the old Grumman corridor, we opened a Level 2 inspection on an original 1951 clay-tile flue and ran the camera down to find cracked tiles, spalling crown concrete, and a rusted-through Famco cap that had been dumping water directly into the smoke chamber. We set a stainless multi-flue cap over the rebuilt crown, coated it, and showed the homeowner the camera footage of each failed joint before recommending the HeatShield liner. She saw the sulfuric-acid etching on the tile herself rather than taking our word for it.
Pricing for Chimney Cap & Crown in Bethpage, NY
Here is what cap and crown work actually costs in Bethpage’s market. These are real ranges, not come-ons that change once we arrive.
| Service | Typical Range in Bethpage |
|---|---|
| Standard cap installation (single flue) | $280 - $420 |
| Cap replacement (single flue) | $240 - $380 |
| Multi-flue cap installation | $520 - $780 |
| Custom cap (fabricated to measure) | $650 - $950 |
| Crown repair (partial rebuild) | $380 - $650 |
| Crown coating (flexible sealant system) | $280 - $450 |
| Combined crown repair + cap installation | $620 - $980 |
What moves a job to the higher end: multiple flues, significant concrete loss requiring form-and-pour rebuild, difficult roof access, or the need for scaffolding on steep pitches common on Bethpage’s modified Capes. What keeps it lower: early intervention before the crown is structurally compromised, standard flue sizes we stock, and straightforward roof access.
Every estimate is free. The number we give you is the number on the invoice. No surprises on the bill. Call (934) 348-4832 for your exact quote.
We Also Serve Cities Near Bethpage
Our crews work across central Nassau County, including Bethpage, Old Bethpage, Plainview, Farmingdale, and Jericho. Same standards, same camera documentation, same 90-Day Done Right Promise. If you’re on the border and unsure whether you’re in our primary Bethpage service radius, call and we’ll tell you straight.
Serving Bethpage, NY - Our Local Coverage Area
We’re based in the Bethpage 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 - Chimney Cap & Crown in Bethpage
You need a camera inspection before anyone can answer that honestly. The cap protects the flue top from water and animals, but it cannot fix cracked tiles or acid-etched mortar inside. We run a Level 2 inspection, show you the footage, and only then recommend. Sometimes a cap and crown repair is enough for now. Sometimes the tile is too far gone and a HeatShield or DuraFlex liner is the right call. You see the evidence yourself before we write the estimate. Call (934) 348-4832 to schedule - estimates are free.
Salt-laden Atlantic air corrodes galvanized and plain steel faster than inland climates. The cheap caps installed by roofers and homeowners in the 1990s and 2000s were never meant for this environment. We replace them with stainless steel or copper from Gelco and Olympia Chimney, which last decades here. If you’re on a block near Hempstead Turnpike or the Plainview border and you’re replacing a cap every 5 to 8 years, the material was wrong, not your luck. Call (934) 348-4832 and we’ll set the right one.
Your flue was built for oil, which burns hot and dry. Gas burns cooler and produces water vapor. An 8-inch or larger clay tile flue venting a small gas boiler never warms enough to stop condensation. That water mixes with sulfur compounds to form sulfuric acid, which eats the tile from the inside while the crown looks fine from the ground. The cap and crown fail from the top down because the acid attacks the uppermost mortar joints first. This pattern repeats street by street across Bethpage. A properly sized cap helps, but the underlying flue issue may need addressing. We show you the camera footage so you can decide. Call (934) 348-4832 for a free inspection.
Crown repair removes damaged concrete and rebuilds the crown with proper slope, reinforcement, and overhang. Crown coating applies a flexible sealant over sound but weathered concrete to bridge hairline cracks. If your 1950s original crown is spalling, crumbling, or has lost more than surface texture, it needs repair. If it’s cracked but structurally intact, coating may suffice. We inspect from above with a camera and show you the condition before recommending either. Crown repair in Bethpage runs $380 to $650; coating runs $280 to $450. Call (934) 348-4832 and we’ll tell you which your chimney actually needs.
We never sell a cap without inspecting the flue and crown first. The cap is only as good as what it protects, and Bethpage’s oil-to-gas conversion history means many flues are deteriorating in ways a cap alone cannot fix. Our Level 2 camera inspection is standard on every cap and crown call. You see the photos, you see the verdict, and you decide what to do next. No blanket upsells, no pressure. Call (934) 348-4832 to schedule - the inspection and estimate are free.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Bethpage and central Nassau County since 1984.





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