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 Sunset Park
Chimney cap and crown work in Sunset Park usually costs between $300 and $1,600 depending on whether we’re installing a single cap, rebuilding a spalled crown, or fabricating a custom multi-flue unit for a shared row-house stack. Most jobs are finished same day, and we’ll always show you camera footage before recommending anything. If you’re calling from 4th or 5th Avenue, the harbor wind is already working on your chimney. Call (516) 289-9316 for a free estimate.
The row houses here were built for coal. Now they vent gas boilers through terra-cotta flues that were oversized to begin with, and the salt air does the rest. Our Chimney Cap & Crown team knows exactly what that combination does to steel and masonry on this ridge, because we see it week after week along the same blocks.
Why Top Hat Chimney Is Sunset Park’s Preferred Chimney Cap & Crown Company
Wendell Pike started Top Hat Chimney in 1999 and has been inside more Sunset Park chimneys than most people have walked past. This isn’t a franchise that rotated a different crew through last spring. The sweep who shows up at your door is the one whose name is on the work, and the number you call goes to a live person, 24/7. It may well be Wendell himself picking up.
We work the same blocks again and again. Along the rental corridors of 4th and 5th Avenues, a single deteriorated stack commonly serves three or four converted apartments at once. Landlords there know us by name, because when a boiler permit inspection flags a flue condition, they need someone who can actually get on the roof, see the stack from the top, and tell them plainly what must be done now and what can wait. That’s what we do, and we back every completed job with our 90-Day Done Right Promise in writing. If it’s not right, one call brings Wendell back.
Every estimate is flat and upfront before a single tool comes off the truck. The number you hear on the phone is the number on the invoice. No trip charge for calls inside our service county, and $40 off any repair over $200. Ask anyone on your street.
Our Chimney Cap & Crown Services in Sunset Park
Cap Installation
A missing cap on a Sunset Park row house means rain goes straight down an oversized terra-cotta flue built in 1910. That water mixes with gas-appliance exhaust, runs down the walls as acidic condensation, and quietly eats the mortar joints from the inside. We install single-flue and multi-flue caps with proper screening, fitted to the actual flue tile dimensions, not a one-size-fits-most unit rattling around up there. Typical single-flue cap installation in Sunset Park runs $300 to $600 including the cap.

Cap Replacement
Galvanized caps on the harbor-facing slope rust through faster than most homeowners expect. What looks like a six-year-old cap can be paper-thin at the seams from salt-laden southwest wind off the Upper Bay. We remove the old unit, check the crown below it (that’s usually where the next problem is hiding), and install a stainless replacement that holds up to this neighborhood’s specific exposure. Most Sunet Park cap replacements run $450 to $900, depending on flue size and whether we need a custom dimension for an oddball terra-cotta tile.

Crown Repair
The concrete and mortar crown that seals the top of your chimney is the first masonry surface to fail under salt moisture and freeze-thaw cycles. Harbor-facing crowns spall and crumble, then water works into the brick below. In Sunset Park, we often see crown faces entirely missing on the west side of the stack while the street side still looks passable. We rebuild crowns the right way, with the correct overhang and a slope that actually sheds water. Sunset Park crown repairs typically run $500 to $1,400, and we always seal the finished work with a Gelco crown coat so the salt air doesn’t undo it in two winters.

Crown Coating
If the crown is still structurally sound but showing hairline cracks and surface erosion, a crown coat buys years before a full rebuild. We brush clean the surface, repair the worst spalled areas, and apply a flexible, vapor-permeable coating that stands up to the harbor moisture cycle. This is a practical, lower-cost step for landlords tackling multiple Sunset Park buildings on a yearly maintenance budget. Crown coating in Sunset Park commonly runs $350 to $800 per chimney, and we’ll tell you plainly if a coat is enough or a rebuild is the honest answer.

Multi-Flue Cap
Most original row-house stacks in Sunset Park have three or four flues sharing one brick column. The majority we inspect have only one cap, or none at all. We measure every flue tile opening and fabricate a custom stainless multi-flue cap that covers the entire crown, with individual screened draft openings so each boiler still breathes correctly. These jobs run $600 to $1,600 because every shared stack in this neighborhood is a different dimension. We don’t force a stock unit onto a 1912 terra-cotta flue. We cut the screen to what’s actually there, and we photograph everything before and after.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Sunset Park
We stock parts for the brands Sunset Park homeowners actually have, including Copperfield caps, DuraFlex liners, HeatShield resurfacing materials, and Gelco crown coatings. When a landlord on 4th Avenue needs a cap before a DOB boiler inspection, we don’t want to tell them it’s a week out for a part. We keep the common sizes and adapters on the truck, and we work with these manufacturers because their stainless holds up to the salt air this ridge throws at it. The camera footage and a plain-English verdict, every time, no exceptions.
Common Chimney Cap & Crown Problems We See in Sunset Park Homes
- Rusted-through galvanized caps. The southwest wind off Upper Bay carries salt moisture that eats galvanized steel from the inside out. A cap that looked fine last year is often holding on by flaking rust by the next spring.
- Spalled and missing crown faces. The crown is flat-ish masonry on the very top of the stack, and on the harbor-facing west slope, it takes the full brunt of salt moisture followed by winter freeze cycles. Pieces simply pop off.
- Missing caps on rental conversions. Original single-flue caps are gone entirely on a majority of Sunset Park’s converted row houses. That leaves the oversized terra-cotta flue open to rain, debris, and pigeons, and that wetter flue worsens the condensation problem inside the gas boiler venting.
- Flues serving appliances they were never designed for. A coal chimney from 1905 has a flue the size of a small laundry hamper. A modern gas boiler pushes a much cooler, weaker draft through that big open void. The result is chronic condensation and acidic runoff, and a chimney cap that doesn’t fit properly makes the problem worse.
Pricing for Chimney Cap & Crown in Sunset Park, NY
Here’s the honest range we see across this neighborhood. A standard single-flue stainless cap installed runs $300 to $600. Cap replacement, including teardown and a stainless unit sized to the actual flue, runs $450 to $900. Crown repair with proper prep and full Gelco sealing runs $500 to $1,400. A full custom multi-flue cap over a shared row-house stack runs $600 to $1,600, and that number moves with how many flues are in the stack and what condition the crown is in underneath. Crown coating alone runs $350 to $800.
You can call (516) 289-9316 and get an exact price before we ever drive into Sunset Park. The number on the phone is the number on the invoice. Every job carries the 90-Day Done Right Promise in writing. Seniors and veterans always get 10% off, and any repair over $200 takes $40 off.
We Also Serve Cities Near Sunset Park
If you’re just outside Sunset Park, we work throughout Chimney Cap & Crown in Sunset Park and the neighboring blocks alike. Our crews regularly serve Brooklyn, Brooklyn Heights, Ridgewood, and Glendale, and the same upfront pricing, 90-Day promise, and live-person phone line apply wherever you’re calling from. If you’re off 2nd Avenue or out toward the expressway, we’ll give you a straight arrival window, not a “sometime this week.”
Serving Sunset Park, NY - Our Local Coverage Area
We’re based in the Sunset Park 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 Sunset Park
Because the southwest wind off Upper Bay carries salt moisture, and the harbor-facing slope of the ridge takes it directly. The streets west of 5th Avenue and down toward the water see noticeably faster galvanic corrosion on galvanized steel caps than blocks east of 7th Avenue. We replace rusted-through galvanized caps on the harbor slope when the same cap a few blocks inland still has years left in it. That’s not a guess; it’s what we see across job after job on the same streets. If you’re on the west side of the ridge, buy stainless, not galvanized, and expect it to earn its cost. Call (516) 289-9316 and we’ll look at your exposure before quoting.
Yes, it’s a real problem, and it’s the most common condition we find on Sunset Park row houses. The capped flue stays relatively dry while the other two flues take rain, snow, nesting birds, and whatever else the harbor wind throws at them. In a converted rental, those open flues are often serving gas boilers that are already venting into oversized terra-cotta tile from the coal era. Wet flues make that condensation worse, which accelerates liner deterioration and can cause backdrafting. The fix is a custom multi-flue cap covering the entire crown with individual screened draft openings for each flue. In Sunset Park that generally runs $600 to $1,600 depending on the stack width and number of flues. We’ll show you the before and after photos, and our 90-Day Done Right Promise applies.
Every year, and not just because it’s good practice. In Sunset Park, NYC DOB boiler registration requirements tie flue condition to boiler permits, and a landlord with multiple tenants on one shared stack has legal exposure when a flue fails an inspection. Salt air on the harbor-facing slope cuts the useful inspection interval to roughly half what you’d expect inland. A cap that would go five to seven years inland can be shot in three here. Once a year, burn or no burn, we recommend a look at the crown, the cap seams, and the flue tile condition at the top. It’s a low-cost way to not be the landlord scrambling for an emergency repair when the DOB flags you and the tenants are without heat. We offer free second opinions on any written estimate, so if another company tells you something different, bring it to us and we’ll tell you the truth.
In most of Brooklyn, the metal cap rusts first. In Sunset Park, the crown under it often goes at the same time, and we’ve seen plenty of cases where the cap is rusted through at the seams while the crown face underneath is already spalled and missing. The salt moisture attacks the galvanized steel and the masonry simultaneously. That’s why we never quote a cap replacement without pulling the old cap off and looking at the crown under it. On 5th Avenue near 44th Street, our crew removed a rusted-through galvanized cap on a shared three-flue stack serving four converted apartments. The crown had spalled from decades of salt air, so we rebuilt it with a Gelco crown coat and installed a custom stainless multi-flue cap with screened draft openings to protect the unlined flues while restoring proper draft for the gas boilers. That’s the standard sequence we recommend here. Cap replacement alone runs $450 to $900; if the crown needs a rebuild at the same time, the number goes up accordingly. We’ll show you the camera footage before quoting anything.
Yes. This isn’t just about a drip finding its way into a tenant’s ceiling. Sunset Park’s rental scene is dominated by 2-4 unit conversions in 1890s-1920s row houses, and many of those buildings have boilers venting through flues that are shared across party walls. When a boiler permit inspection is triggered by NYC DOB requirements, a failed flue condition can stop the permit process and leave the landlord dealing with tenants and no heat. A deteriorated chimney cap or crown that has admitted water and worsened liner damage may be the condition that fails that inspection. It’s legal exposure, not just seasonal cleaning. We work with Sunset Park landlords on this every year, and we’ll give you a written report with camera documentation you can keep for DOB purposes. Call (516) 289-9316 for a free estimate, and mention the building address so we can note the stack configuration before we come out.
Contact Top Hat Chimney in Sunset Park
If you’d like a straight answer about your chimney cap or crown this week, call (516) 289-9316. We’ll give you a real arrival window, an upfront price before work begins, and a name you can verify. Wendell Pike founded this company in 1999 and put his license number on the line with every job. We’re locally owned, owner-operated, and we answer the phone live 24/7. No voicemail box, no call center, no stranger at the door. Estimates are free in Sunset Park. Ask anyone on 4th Avenue.
Written by Wendell Pike, Owner at Top Hat Chimney, serving Sunset Park, NY.





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