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 East Islip
A chimney cap or crown on a home along Great South Bay fails faster than anywhere else in Suffolk County. Salt spray off the water corrodes metal caps and eats at mortar crowns year-round, and by the time you see water staining the ceiling near the fireplace, the damage has already traveled down the flue. Top Hat Chimney repairs and replaces caps and crowns all over East Islip, and we’ll tell you plainly whether the job is urgent, can wait a season, or doesn’t need doing at all. Call (934) 935-3847 and Wendell or someone from his crew will walk you through what’s happening before anything gets scheduled.
Why Top Hat Chimney Is East Islip’s Preferred Chimney Cap & Crown Company
We’ve been crawling onto East Islip roofs long enough to know which cap designs hold up on Bayview Avenue and which ones rust through on Overlook Drive. Wendell Pike started this company in 1999, and he still puts his name on every job we do. That’s not a marketing line. It’s the reason he answers his own phone and why he’ll drive back out to East Islip if something isn’t right after we leave. The 90-Day Done Right Promise is in writing on every invoice. If the cap leaks or the crown cracks within 90 days of our work, one call brings us back at no charge.
East Islip homeowners ask the same question after every nor’easter: “Is my chimney supposed to look like that?” Most of the time, the answer is no. The salt off Great South Bay works on mortar and galvanized steel like a slow grinder. A cap that would give an inland home 20 years of service often rusts through in 10 here. We stock replacement caps at our shop and keep sealants matched to the specific exposure your chimney gets. No other company serving East Islip works exclusively in chimneys. We don’t clean gutters on Tuesday and rebuild liners on Wednesday. This is all we do.
Our Chimney Cap & Crown Services in East Islip
We cover the full range of cap and crown work in East Islip, from a quick cap swap on a ranch off Udall Road to a full custom cap and crown rebuild on a 1963 split-level facing the bay. Here’s what each service looks like in practice.
Cap Installation
A new cap on an East Islip chimney has to do two jobs: keep rain and leaves out, and resist the salt air that comes off Great South Bay. We install stainless steel and copper caps sized to the flue tile, not “close enough” universal fits that wobble in the wind. Every installation includes checking the flue tile edge for spalling first. If the tile is crumbling, any cap we set on it will fail early.

Cap Replacement
Bay-side homeowners often come to us with a cap that looks intact from the ground but has pinhole rust-through on the underside. That’s galvanic corrosion from decades of salt spray hitting the metal, condensing at night, and repeating the cycle for years. We remove the dead cap, inspect the flue opening, and match the replacement to your chimney’s actual exposure. A standard galvanized cap may be fine for a sheltered interior chimney, but we’ll tell you when a stainless model is the only honest choice this close to the bay.

Crown Repair
The mortar crown is the flat, sloped top of the chimney that sheds water away from the flue. On East Islip’s 1950s and 1960s Cape Cods and split-levels, original crowns were poured thin and have been taking salt-laden wind for sixty-plus years. We repair spalled edges, rebuild the crown when the damage is structural, and always shape the new crown with a proper overhang and drip edge. That overhang is what keeps rain from running straight down the brick face. Builders in the 1960s didn’t always bother, and we see the result every week.

Crown Coating
A crown that’s still structurally sound but showing hairline cracks can often be saved with a CrownCoat system. We use Gelco CrownCoat on East Islip homes because it flexes with the freeze-thaw and salt cycles that wreck rigid sealants within a season or two. The coating bonds to the crown, seals micro-cracks, and gives the surface a water-repellent membrane. On a crown that’s in decent shape, a coating now costs a few hundred dollars and can add a decade of life before a full rebuild is needed.

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 East Islip
We work with Olympia Chimney and Famco caps and use Gelco coatings on most East Islip crown work. These are the brands that hold up to Long Island’s salt exposure better than the big-box alternatives, and we keep common sizes in stock so a replacement doesn’t become a two-week wait. For custom caps on odd flue layouts, we spec Copperfield when the homeowner wants copper and Famco when stainless makes more sense. If you have a cap from a different manufacturer, we service those too, but we’ll be honest about what’s worth repairing versus replacing.
Common Chimney Cap & Crown Problems We See in East Islip Homes
- Salt-air corrosion on caps. The prevailing southwest wind off Great South Bay carries salt spray year-round. Galvanized caps on bay-side streets can show pinhole rust-through in 8 to 10 years, a cycle roughly twice as fast as mid-island towns like Central Islip.
- Nor’easter-driven mortar crown failure. Wind-driven rain during March and November nor’easters forces water into hairline cracks in older crowns. Once water gets in, freeze-thaw cycles widen those cracks quickly. We regularly see 1960s-era crowns with interior erosion after a single hard storm season.
- Top-course brick spalling after recent repointing. East Islip homes repointed 12 to 15 years ago often show spalling at the top course already. Salt residue wicks into the crown’s exposed edges and breaks the mortar bond, which sends brick faces flaking off into the yard.
- Water staining in the firebox after storms. If you see a white, chalky film on the firebox face, that’s efflorescence, and it means water has traveled down through the crown or around the cap. The fix is almost always at the top of the chimney, not the bottom.
Pricing for Chimney Cap & Crown in East Islip, NY
Chimney cap and crown pricing in East Islip runs on a straightforward scale. A standard stainless steel cap replacement on a single-flue chimney typically costs between $380 and $620, including the cap and installation. Custom multi-flue caps, like the kind we build for split-levels and larger Cape Cods, run $550 to $950 depending on flue configuration. Crown repair with patching and sealing usually falls between $350 and $600. A full crown rebuild, which involves removing the old crown, forming a new overhang, and installing a drip edge, runs $900 to $1,400. CrownCoat systems are cheaper than a rebuild, typically $450 to $750 for an average East Islip chimney. The biggest variable is access: a three-story chimney on a steep pitch costs more to work on than a single-story ranch. We give exact numbers before work begins. Call (934) 935-3847 for a free estimate, and remember: $40 off any repair over $200, no trip charge for calls inside the county, and 10% off always for seniors and veterans.
We Also Serve Cities Near East Islip
Top Hat Chimney covers East Islip plus the surrounding South Shore communities. We work regularly in East Islip, Islip Terrace, Islip, Bay Shore, and Central Islip. If you’re a few minutes outside East Islip and need a cap or crown looked at, the same crew and the same pricing apply. Wendell lives in the general area and knows the roads, so we’re not fighting GPS to find your house. Our full Chimney Cap & Crown service area is one call away.
Serving East Islip, NY - Our Local Coverage Area
We’re based in the East Islip 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 East Islip
The salt air off Great South Bay corrodes galvanized chimney caps roughly twice as fast as inland Suffolk County air does, because southwest winds carry salt spray year-round and it deposits on metal and masonry. Caps on bay-side streets often show pinhole rust-through in 8 to 10 years, and mortar crowns erode so quickly that homes repointed 15 years ago frequently need crown work again already. The fix is to use stainless or copper caps and crown coatings made for salt exposure, and to inspect the crown annually if you’re within a few blocks of the water. Call (934) 935-3847 and we’ll take a look at what the salt has already done.
Yes, on the bay side it is. East Islip’s salt-laden air wicks into exposed crown edges and breaks the mortar bond within 12 to 15 years, roughly half the life you’d expect from repointing in a mid-island town like Central Islip. The salt doesn’t just sit on the surface; it gets into the mortar pores, crystallizes, and expands with every temperature swing. We rebuild crowns on East Islip chimneys with a proper overhang and drip edge, then apply a Gelco CrownCoat to slow the salt damage. Call (934) 935-3847 for an East Islip quote.
Wood stoves in East Islip homes that burn through the winter load the flue with creosote faster than open fireplaces do, and a standard mesh cap clogs quickly, restricting draft and becoming a fire hazard. We spec caps with wider mesh openings and sturdier construction for wood stoves, because the cap has to shed creosote buildup without letting embers escape onto the roof. If your stove cap is already clogged, call us at (934) 935-3847. We’ll clean it, check the flue condition, and tell you honestly whether the cap needs replacing or just maintenance this time.
A custom cap sized and anchored correctly will stop most wind-driven rain, but only if the crown below it is also sound. During a nor’easter, rain comes at the chimney at a low angle, so a properly sized cap with a tight-fitting collar keeps water out of the flue itself, while the crown must shed water away from the brick face below. We build custom caps for East Islip chimney layouts when an off-the-shelf cap leaves gaps or doesn’t match the flue configuration, and we always inspect the crown at the same time, since a perfectly good cap over a cracked crown still means water in the firebox. Call (934) 935-3847 and ask about a custom cap quote for your chimney.
Annually, and right after any storm that drives rain horizontally against the house. On a 1960s Cape Cod within a few blocks of Great South Bay, the original crown was poured thin and has been absorbing salt spray for six decades. We recommend a crown inspection every year as part of your annual sweep, and we’ll always show you the camera footage from the top and the firebox so you can see the condition yourself. If the crown looks good, we’ll say so. If it needs coating or a rebuild, we’ll tell you exactly why and what it costs. Call (934) 935-3847 to book an inspection.
Written by Wendell Pike, owner of Top Hat Chimney, serving East Islip since 1999.





Before
After
Before
After
Before
After