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 Liner & Rebuild Across Hewlett
Chimney liner and rebuild work in Hewlett, NY typically runs $1,800-$7,400 depending on whether you need a stainless steel insert liner for an oil-to-gas conversion or a partial rebuild of the upper masonry. Most jobs in the Five Towns take one to two days once we start, and every estimate is free. If you’re in Hewlett and your flue tiles are cracked, your crown is spalling from salt air, or you converted from oil to gas years ago and never relined, call (516) 604-2573. Wendell Pike and his crew know exactly what Hewlett’s coastal masonry does to a chimney.
Hewlett sits square in the Five Towns, just inland from Jamaica Bay, and that location matters more than most homeowners realize. The salt-laden air off the water works on brick and mortar year-round. Add nor’easter wind-driven rain and winter freeze-thaw cycles, and a chimney that looked fine in April can be leaking flue gases into a wall cavity by November.
Key Takeaways:
- Stainless steel liner installation in Hewlett typically costs $1,800-$4,200
- Partial chimney rebuilds (top 3-8 courses, crown, cap) typically run $3,200-$7,400
- Oil-to-gas conversions without a proper insert liner are the most common code violation we flag in Hewlett
- Free estimates, no trip charge inside the county, and a 90-Day Done Right Promise on every job
Why Top Hat Chimney Is Hewlett’s Preferred Chimney Liner & Rebuild Company
Top Hat Chimney has been owner-operated since 1999, and Wendell Pike still answers the phone himself more often than not. That’s not a marketing line. Call (516) 604-2573 at 9 p.m. on a Sunday and see who picks up. Hewlett homeowners who’ve been through the national-chain shuffle, quote on the phone, different number at the door, stranger in a rented truck, tell us the same thing: they want a name they can verify and a face they’ll run into at the bagel shop on Broadway.
Our Chimney Liner & Rebuild team knows what a 1955 center-hall Colonial on Piermont Avenue needs versus a split-level off Harris Avenue. The housing stock in Hewlett is consistent: post-WWII Cape Cods, split-levels, and Colonials built between the late 1940s and mid-1960s, most with original full-masonry chimneys and clay tile liners now well past their typical 50-year service life. We’ve pulled failed clay tile out of more Hewlett flues than we can count. Every job gets the same treatment: a camera inspection before we recommend anything, the footage shown to you, and a plain-English verdict. If you don’t need a liner, we’ll say so.
Wendell puts his name on every job and backs it with the 90-Day Done Right Promise in writing. If it’s not right, one call brings him back at no cost. That promise means something in a town like Hewlett where your neighbors actually talk to each other.
Our Chimney Liner & Rebuild Services in Hewlett
Stainless Steel Liner
A properly sized stainless steel insert liner is the fix for the most common hidden problem in Hewlett: the oil-to-gas conversion. Over the past 15 to 20 years, a large share of Hewlett’s older homes switched from oil-fired boilers to gas. The old oversized masonry flue was fine for oil, but it’s a code violation and a carbon monoxide risk for a modern gas appliance. New York State requires a correctly sized stainless liner for any gas conversion. If your Hewlett home converted and nobody mentioned the flue, call us. This is the unreported hazard we flag most often on routine cleaning calls.

Flexible Liner
For chimneys with offsets or tight bends, which are common in the angled flue runs of mid-century split-levels throughout Hewlett, a flexible stainless liner often makes the most sense. We install DuraFlex and other trusted brands, sized to the appliance and the existing flue dimensions. Flexible doesn’t mean flimsy. It means the liner follows the existing masonry rather than requiring a teardown to straighten the run.

Liner Replacement
The original clay tile liners in Hewlett’s post-WWII chimneys are failing. Salt air from Jamaica Bay accelerates the freeze-thaw spalling that cracks tiles. Once a clay tile cracks, combustion gases can migrate into adjacent wall cavities. You won’t smell it, and you won’t see it, until a carbon monoxide detector goes off or worse. If your camera inspection shows cracked, shifted, or missing tile sections, replacement with a stainless insert is usually faster and cleaner than a full masonry rebuild.

Partial Rebuild
Storm exposure is the big one here. Nor’easters and the occasional hurricane-track storm drive rain through cracked crowns and displaced caps. That water saturates the masonry, freezes, and pops the top courses apart. A partial rebuild in Hewlett typically means removing the top three to eight courses, relaying them with Type N mortar, replacing the crown or cap, and often installing a new flashing detail where the chimney meets the roof. It’s structural work that stops the leak before it becomes a ceiling stain above the roofline.

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 Hewlett
We stock and install liners and rebuild materials from brands we trust: HeatShield, Gelco, and Olympia Chimney. These aren’t the cheapest parts on the shelf. They’re the ones that hold up to Hewlett’s particular combination of salt air, storm-driven moisture, and freeze-thaw cycles. Because we work Hewlett regularly, we keep the common sizes and components on the truck, which means less waiting on a parts order and fewer trips back and forth.
How Hewlett’s Climate and Housing Stock Affect Your Chimney
Here’s what makes Hewlett different from a chimney job ten miles north. The salt air rolling in off Jamaica Bay and the barrier beaches is constantly eating at the mortar joints and brick faces on exposed chimney stacks. It’s not dramatic. It’s slow, invisible, and relentless. A brick that looked solid in the spring has a quarter inch of spalling by fall. The 60 to 80-year-old chimneys that dominate Hewlett’s housing stock don’t have much reserve left. The original clay tile liners were rated for roughly 50 years. Every chimney in a late-1940s Cape Cod is now past that mark.
Then there’s the oil-to-gas factor. Hewlett and the surrounding Five Towns saw one of the highest rates of oil-to-gas conversion in Nassau County over the past two decades. The new gas boiler connects to the same old masonry flue. Gas burns cooler and produces more water vapor than oil. That vapor condenses inside the old masonry and degrades it from the inside, while the salt air works it from the outside. If the flue wasn’t relined during the conversion, you have a code violation, a carbon monoxide risk, and an accelerated internal breakdown all happening at once. This page’s specific warning: if your Hewlett home went from oil to gas and you never heard the word “liner” during that conversion, get the flue camera-inspected before the first fire of the season.
Common Chimney Liner & Rebuild Problems We See in Hewlett Homes
- Clay tile liner cracks from salt air and freeze-thaw. The original flue tiles in post-WWII Hewlett homes are now past their service life. Jamaica Bay’s salt air accelerates spalling and the winter freeze-thaw cycles crack tiles. Once cracked, flue gases leak into wall cavities.
- Storm-driven rain through cracked crowns and displaced caps. Nor’easters hit Hewlett hard because of its South Shore exposure. The rain drives into the chimney, saturates the masonry, and shows up later as a ceiling stain from failed flashing. Hidden structural compromise follows.
- Oil-to-gas conversions left oversized, unlined flues. This is local-specific. The code violation and carbon monoxide backdraft risk sits behind the walls of a significant portion of Hewlett’s converted homes, and most owners have no idea.
- Hurricane Sandy’s legacy is still showing up. Sandy caused widespread chimney and roofline damage throughout the Five Towns. Many Hewlett chimneys got a temporary patch that’s now failing. We find hidden structural compromise during routine inspections that the homeowner never knew existed.
Pricing for Chimney Liner & Rebuild in Hewlett, NY
Straight numbers, because that’s how we work. A stainless steel insert liner for a typical Hewlett Cape Cod or split-level runs $1,800 to $4,200, depending on flue height, diameter, and whether we need a tee connection or top plate. A partial rebuild of the upper masonry, typically the top three to eight courses with a new crown and cap, runs $3,200 to $7,400 in Hewlett. If both are needed, which is common on 1950s originals, expect $4,500 to $9,800. The camera inspection that tells you exactly which one you need is part of every estimate. Wendell gives the number before a single tool comes off the truck, and the number on the phone is the number on the invoice.
| Service | Typical Hewlett Range |
|---|---|
| Stainless steel liner (oil-to-gas conversion) | $1,800-$4,200 |
| Flexible liner installation | $2,000-$4,000 |
| Liner replacement (clay tile removal + insert) | $2,500-$5,500 |
| Partial rebuild (top courses, crown, cap) | $3,200-$7,400 |
| Combined liner + partial rebuild | $4,500-$9,800 |
We honor $40 off any repair over $200, a free second opinion on any competing written estimate, and no trip charge for calls inside the county. Seniors and veterans always get 10% off. Call (516) 604-2573 for an exact quote. Estimates are free.
One Job We’ll Never Forget: Harris Avenue, Hewlett
On a split-level off Harris Avenue in Hewlett, our crew found a third-degree creosote glaze coating the original clay tile flue liner, with spalling brick at the chimney crown and flashing lift after the last nor’easter. That’s a nasty combination: the glaze is a fire risk, the cracked clay tiles leak combustion gases, and the lifted flashing adds water damage on top. We removed the failed clay, installed a properly sized DuraFlex stainless steel insert liner, rebuilt the top three courses with Type N mortar, and replaced the cracked crown and cap. The draft came back, the carbon monoxide risk was gone, and the flashing was sealed before the first fire of the season. That’s a Chimney Liner & Rebuild in Hewlett job, start to finish, and it’s the kind of work we do regularly in this town.
We Also Serve Cities Near Hewlett
Our service area covers Hewlett and the surrounding Five Towns and South Shore communities. We’re in Woodmere, East Rockaway, Lynbrook, and Cedarhurst regularly. If you’re a neighbor in one of those towns, the same crew, the same pricing, the same 90-Day Done Right Promise applies.
Serving Hewlett, NY - Our Local Coverage Area
We’re based in the Hewlett 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 Liner & Rebuild in Hewlett
Because gas burns cooler and produces more water vapor than oil, and that vapor condenses inside the old oversized masonry flue, breaking down the clay tiles and mortar from the inside. The old flue was sized for oil exhaust. A gas appliance with a short, cool exhaust stream doesn’t create enough draft to push combustion gases up and out of an oversized flue, so they backdraft into the living space. New York State requires a properly sized stainless steel insert liner for any gas conversion. If your Hewlett home converted without one, call (516) 604-2573 for a camera inspection before burning season.
The most common visible signs are spalling brick on the upper courses, a cracked or displaced chimney crown, displaced or missing cap, lifted flashing, or a water stain on the ceiling near the chimney. But the liner itself may be cracked or shifted without any visible exterior damage. The only way to know is a camera inspection. We’ll show you the footage and tell you plainly whether it needs work now or can wait. Call (516) 604-2573 for a free estimate.
A brush removes first-degree creosote, which is the flaky soot. It will not remove third-degree creosote glaze. That’s a hardened, glassy coating that a brush skates over. In many Hewlett homes, the glaze forms because the old clay tiles have lost their smooth surface and a gas appliance with poor draft is condensing moisture. If the glaze is thick and the tiles are cracked, the answer is usually a stainless liner, not another brushing. We’ll show you the camera footage so you can see the difference yourself. Call (516) 604-2573 to schedule a look.
Schedule a camera inspection. It takes under an hour, and you’ll see the interior of the flue on a screen in real time. Wendell and his crew do this for every Hewlett home before recommending any liner or rebuild work. The camera doesn’t lie. If the tiles are cracked, shifted, or missing, you’ll see it. If it’s clean and solid, we’ll say so and pocket nothing but the inspection. Call (516) 604-2573 and we’ll get it booked before the first cold snap.
Depends on what the camera and the masonry inspection show. If the flue tiles are cracked but the outer brick and crown are structurally sound, a stainless steel insert liner is usually the right call and the less expensive fix. If the upper courses are spalling, the crown is cracked, and the flashing is failing, that’s a partial rebuild of the top section. Many Hewlett chimneys from the 1950s end up needing both, but we won’t know until we look. You’ll see the evidence and get a plain-English recommendation. Call (516) 604-2573 for a free estimate and camera inspection.
Call Top Hat Chimney for Hewlett Chimney Liner & Rebuild Work
If you’re in Hewlett and you suspect your liner is cracked, your oil-to-gas conversion was never done right, or the last nor’easter took a bite out of your crown, call us. (516) 604-2573. A live person answers, likely Wendell. We’ll schedule a camera inspection, give you an upfront price, and do the work right or come back at no cost. The 90-Day Done Right Promise is in writing on every job. Free estimates, no trip charge inside the county, $40 off any repair over $200, and 10% off for seniors and veterans. Call (516) 604-2573 now.
Written by Wendell Pike, Owner at Top Hat Chimney, serving Hewlett and the Five Towns since 1999.





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