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.
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AfterFast, Reliable Chimney Liner & Rebuild Across Islip
A chimney liner replacement in Islip runs between $2,800 and $6,500 for most single-family homes, with partial rebuilds starting around $1,900 and full stack rebuilds typically landing between $4,500 and $12,000 depending on height and roof access. Most liner jobs are completed in one day once we’re on-site. Wendell Pike and his crew work Islip’s tight streets and attached flues every week, so we know what your post-WWII cape actually needs before we climb onto the roof. Call (934) 935-3847 for a straight quote.
We’ve been inside more Islip chimneys than we can count. The flue doesn’t care how the fire looks. It cares how it breathes. And in this town, between the salt air off Great South Bay and the oil burners running all winter, it’s breathing harder than most.
Why Top Hat Chimney Is Islip’s Preferred Chimney Liner & Rebuild Company
Top Hat Chimney has been locally owned and owner-operated since 1999, long before the national chains started rotating franchises through Suffolk County. Wendell Pike puts his name and license number on every job, and he runs into you again at the hardware store on Saturday. That changes how he works. The 90-Day Done Right Promise is stamped in writing on every job we complete in Islip: if it’s not right, one call brings the crew back at no additional cost.
We answer our phone with a live person around the clock. Not a voicemail box, not a call center. You might get Wendell himself at 11 p.m. asking about the smell coming from your boiler flue. Our sweeps arrive in uniform, background-checked, with a real arrival window. And the number you hear on the phone is the number on the invoice. Before a single tool comes off the truck.
Our Chimney Liner & Rebuild Services in Islip
Stainless Steel Liner
Most Islip homes built in the 1950s and 60s run an oil burner and a fireplace through one clay tile flue. Those tiles are now 50 to 70 years old, and acidic sulfurous condensate from oil exhaust has been eating them from the inside out. A DuraFlex stainless steel liner drops down that old stack, sealed at the top and bottom, giving you a new flue wall that won’t crack under heat stress or corrosion. It’s sized to the appliance, not guessed. We stock common Islip dimensions in the truck.
Liner Replacement
When the camera shows a crack running up two or three feet of clay tile, or the mortar joints are gone at the top of the stack, liner replacement is the fix. Not a patch job. In Islip’s attached housing, a cracked shared flue means your neighbor’s exhaust can find its way into your smoke chamber and living room. We don’t recommend replacement without showing you the Level 2 camera footage first. You deserve to see what we see, on a screen, before writing a check. The camera footage and a plain-English verdict, every time, no exceptions.
Partial Rebuild
Salt-laden bay air chews through mortar and brick faces faster than you’d believe. We regularly rebuild the top six to eight courses of Islip chimneys where freeze-thaw spalling has turned the crown into rubble and the bricks have started peeling. On a tight street in East Islip, our crew rebuilt the top eight courses of a 1960s ranch chimney after salt air had spalled the brick faces and corroded the original galvanized cap to lace. The clay tile liner was cracked from years of acidic oil-burner condensate, so we dropped a DuraFlex stainless liner and replaced the chase cover with a copper-finished cap. The neighbor’s oil flue vented into the same stack, and our smoke test confirmed a clean draft before we left.
Full Chimney Rebuild
Some Islip chimneys are beyond saving course by course. When the stack is leaning, the flue has collapsed in two places, and the base shows spalling from grade to cap, a full rebuild from the roofline up or from the foundation up is the honest answer. We’ll tell you plainly when that’s the case, and just as plainly when it isn’t. We never recommend a rebuild that the camera doesn’t justify. In Islip, that matters because so many chimneys serve oil-burner flues rather than decorative fireplaces, and the repair calculus is different.
Trusted Brands We Service in Islip
We work with Olympia Chimney, DuraFlex, and Copperfield products because they hold up in coastal air. Standard galvanized caps, which do fine a dozen miles north, rust through in Oakdale and East Islip from the salt air alone in as little as three to four years. That’s why we spec stainless or copper from the start on bayside jobs. We carry common liner kits and caps in our trucks that serve Islip, so you’re not waiting a week for parts when your flue is already open.
Common Chimney Liner & Rebuild Problems We See in Islip Homes
- Shared-flue cross-contamination. Most post-WWII capes and ranches in Islip were built with a single flue shared between an oil burner and a fireplace. A cracked clay tile liner can let your neighbor’s oil-burner exhaust backdraft into your smoke chamber, staining walls and tripping CO alarms.
- Salt-corroded caps and chase covers. Direct exposure to Great South Bay air rusts galvanized chimney caps far faster than inland. Once the cap fails, nor’easters funneling through Fire Island Inlet drive wind-driven rain straight into the flue.
- Acidic oil-burner condensate eroding clay liners. The 1950s-70s clay tile liners in Islip were designed for oil exhaust, which carries corrosive condensate that gradually eats mortar joints and degrades the liner from within. The damage is invisible until a camera goes down the flue.
- Freeze-thaw crown spalling. Coastal moisture from the bay soaks into crown cracks, then Long Island winters freeze and expand it. The crown breaks apart, water enters the masonry, and the stack needs partial or full rebuild.
Pricing for Chimney Liner & Rebuild in Islip, NY
Here are the straight numbers for Islip’s market. A stainless steel liner replacement runs $2,800 to $6,500, depending on flue height, roof pitch, and whether we’re also rebuilding the crown. A partial rebuild of the top courses typically runs $1,900 to $4,200. A full chimney rebuild from the roofline up starts around $4,500 and can reach $12,000 for tall stacks on steep roofs with difficult access. The price you hear on the phone is the number on the invoice. No second price at the door. Every estimate is free, and we’ll show you the camera footage before recommending a single dollar of work. Call (934) 935-3847 for a quote.
We Also Serve Cities Near Islip
Our crews work throughout this stretch of Suffolk County’s South Shore. We serve East Islip, Brightwaters, Bay Shore, and Islip Terrace with the same 90-Day Done Right Promise and no trip charge inside the county. If you’re a few minutes from the water or a few blocks from Montauk Highway, we’ll be there.
Serving Islip, NY - Our Local Coverage Area
We’re based in the 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 Liner & Rebuild in Islip
Yes. A stainless steel liner can be dropped down your side of the stack without disturbing the shared masonry. The liner is sized to your appliance and sealed top and bottom, creating a dedicated flue wall even inside a shared structure. We’ll do a smoke test before we leave to confirm your side drafts cleanly. Call (934) 935-3847 and we’ll walk you through what the camera shows.
In Oakdale, East Islip, and other bayside neighborhoods, galvanized chimney caps typically rust through in three to four years. The same cap in Smithtown or Hauppauge lasts a decade or more. We recommend stainless or copper caps from the start on any Islip home within a mile of Great South Bay. It’s not an upsell, it’s the only material that holds up.
Very likely, yes. A cracked clay tile liner in a shared flue can allow your neighbor’s exhaust to enter your flue cavity and backdraft into your living space. Oil companies don’t always camera the flue, and their inspection may not catch the crack. We’ll show you the Level 2 footage and tell you whether the liner needs replacement or if something else is causing the smell. Estimates are free at (934) 935-3847.
One winter alone usually isn’t the culprit. What happens is that salt air weakens the mortar over several years, then a nor’easter drives wind-blown rain into the already-weakened crown, and a single freeze-thaw cycle finishes the job. The crack forms quickly once the crown is compromised. That’s why we recommend a crown inspection whenever we’re on the roof for any Islip job. Whatever the camera shows, we’ll show you.
Yes. We can install a damper and a properly sized stainless liner to restore safe wood burning in a firebox that’s been dormant for decades. The key is verification: we’ll check the firebox structure, confirm the liner size matches the firebox opening, and do a smoke test before we call the job done. In Islip, where so many of these chimneys were built for oil rather than wood, the liner selection matters more than most contractors admit. Call (934) 935-3847 and we’ll tell you if your firebox is a candidate.
Key Takeaways
- Islip’s shared-flue housing stock creates a cross-contamination risk that inland towns don’t face. If your neighbor’s exhaust smells reach your living room, the liner is the first suspect.
- Salt air from Great South Bay corrodes metal chimney parts in a fraction of their inland lifespan. Stainless or copper is not optional near the water.
- Liner replacement in Islip runs $2,800-$6,500, partial rebuilds $1,900-$4,200, and full rebuilds $4,500-$12,000.
- Every job includes camera footage before we recommend work. You see what we see.
- Wendell Pike answers the phone and stands behind the 90-Day Done Right Promise in writing.
If your Islip chimney is due for a liner or rebuild, call Top Hat Chimney at (934) 935-3847 for a free estimate. We’ll show you the camera footage, give you a straight number, and if it doesn’t need doing, we’ll tell you that too. Once a year, burn or no burn. Chimneys break in the off-season too.
Written by Wendell Pike, Owner at Top Hat Chimney, serving Islip and the South Shore since 1999.