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 Repair Across Old Greenwich
Chimney repair in Old Greenwich usually means one of two things: mortar joints have opened up from decades of salt air and freeze-thaw cycles, or metal components like caps and flashing have rusted through and let water into places it shouldn’t be. Most repairs on coastal homes run between $400 and $2,800 depending on whether we’re repointing brick, rebuilding a crown, or replacing flashing. We also handle Chimney Cap & Crown in Old Greenwich work when the damage starts at the top. If you’re seeing white staining on the brick, loose mortar, or rust streaks below the cap, call us at (475) 375-2748 and we’ll come take a look. Wendell Pike started Top Hat Chimney in 1999, and he still puts his name on every job that leaves the truck.
Why Top Hat Chimney Is Old Greenwich’s Preferred Chimney Repair Company
Old Greenwich is our kind of town. We know the pre-war Colonials on Sound Beach Avenue, the Shingle-style houses tucked behind Binney Park, and the Tudors along Shore Road where the salt air works on a chimney the way it works on a car. Chimney Repair in Old Greenwich isn’t a side line for us. It’s a community we’ve worked in long enough that when we tell you what a chimney needs, you can ask your neighbor whether we were right.
Wendell and his crew answer the phone. Not a call center. The number on the invoice is the number you were quoted before a single tool came off the truck. Every repair comes with the 90-Day Done Right Promise in writing: if it’s not right, one call brings Wendell back at no additional cost. That’s not a slogan. It’s stamped on the paperwork. We give you a real arrival window to Old Greenwich and we call if it slips. Background-checked, uniformed, and local enough that you’ll run into us at the hardware store on Saturday.
Our Chimney Repair work in Old Greenwich is built on one thing: the camera footage. When we recommend a repair, you see it on the screen before you spend a dime. No mystery, no pressure. If the chimney can safely wait, we’ll tell you it can wait.
Our Chimney Repair Services in Old Greenwich
Mortar Repointing
Old Greenwich homes sit close enough to Long Island Sound that moisture gets driven into open mortar joints year-round. Repointing replaces the eroded mortar with a polymer-modified mix that sheds salt water instead of absorbing it. On a typical pre-war Colonial, repointing a three-foot section around the crown runs $450 to $900 depending on access and how much old mortar needs grinding out. Leave the joints open and freeze-thaw cycles will pop the brick faces within two winters.

Spalling Brick Repair
Spalling is what happens when salt-laden moisture soaks into brick and then freezes. The face of the brick pops off. We see it constantly on homes near Greenwich Point and along the shoreline streets. Repairing spalled brick on an average Old Greenwich chimney costs $600 to $1,400 when caught early and limited to a few dozen bricks. Left alone, spalling spreads and the chimney starts leaning. Then you’re looking at a rebuild, not a patch job.

Chimney Waterproofing
This is the single most underused repair on Old Greenwich chimneys, and the one that saves the most money over time. A breathable siloxane waterproofing treatment runs $350 to $600 for a typical residential chimney and adds years to the brick and mortar. Coastal homes here need it more than inland ones. You’re a few blocks back from the water? The onshore winds still carry salt and moisture. Waterproofing buys time between repointing jobs and keeps efflorescence from coming back every spring. We apply vapor-permeable treatments that let the chimney breathe while keeping water out.

Flashing Repair
Flashing is the metal seal where the chimney meets the roof line, and on Old Greenwich homes it’s often the first thing to fail. Galvanized flashing near the Sound loses its zinc coating in five to seven years, then rusts through. Water follows the rust, rots the sheathing behind the wall, and deteriorates the firebox and smoke chamber before you ever see a stain on the ceiling. Replacing flashing on a standard Old Greenwich chimney costs $800 to $1,800 depending on how much roof line we need to work around. We use stainless for coastal homes. Galvanized doesn’t make sense here.

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 Old Greenwich
We stock DuraFlex stainless liners for Chimney Liner & Rebuild in Old Greenwich jobs and use HeatShield and Gelco products where a flue repair can be done without a full rebuild. For coastal Old Greenwich homes, we default to stainless components from Olympia Chimney and Copperfield because galvanized metal simply doesn’t hold up against the salt air. When we keep inventory for Old Greenwich, we keep the parts that actually last here. That means stainless caps, stainless flashing, and polymer-modified mortar that can handle the moisture off Long Island Sound.
Common Chimney Repair Problems We See in Old Greenwich Homes
- Rusted caps and pans. On Shore Road near Greenwich Point, we pulled a galvanized chimney cap that had corroded through at the seams in under six years, letting salt-driven rain straight down the flue. The clay tile liner was spalling and the damper assembly was frozen with rust. Stainless would have lasted three times as long.
- Cracked crowns. The concrete cap on top of the chimney is the first defense against water. Once a crown cracks, every freeze cycle widens the crack. Coastal Old Greenwich crowns crack faster because the moisture never fully dries out between storms.
- Open mortar joints. The 1900-to-1945 housing stock in Old Greenwich was built with lime mortar, which breathes well but erodes quickly in maritime air. White staining on the brick, loose mortar you can pick out with a finger, and damp spots on interior walls near the flue are all signs the joints have opened.
- Failed single-wythe flues. Many original 1920s chimneys in Old Greenwich have single-wythe construction with no separation between the flue liner and the outer brick. Onshore winds push moisture through the masonry and into the flue, causing cracked clay tiles and efflorescence that sits unnoticed until a Level 2 inspection after heavy use.
Pricing for Chimney Repair in Old Greenwich, CT
Here’s what we actually charge in Old Greenwich. Mortar repointing runs $450 to $900 for a typical section. Spalling brick repair runs $600 to $1,400. Chimney waterproofing with a vapor-permeable siloxane treatment runs $350 to $600. Flashing replacement runs $800 to $1,800 depending on how much roof line is involved. A full crown rebuild runs $900 to $1,800 including the new concrete and a waterproofing coat. Rebuilding a chimney from the roof line up starts around $3,500 and goes up from there based on height, access, and brick matching. Free estimates on all of it. Call (475) 375-2748 and we’ll put a number in writing before we touch anything.
We Also Serve Cities Near Old Greenwich
If you’re in Riverside, Cos Cob, Greenwich, or Darien, we work there too. The salt air pattern shifts a bit once you get inland, but the freeze-thaw cycle is the same all over Fairfield County. Old Greenwich is our coastal anchor, and we know the shoreline microclimate better than anyone in the truck.
Serving Old Greenwich, CT - Our Local Coverage Area
We’re based in the Old Greenwich 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 Repair in Old Greenwich
Once a year, burn or no burn. Chimney Cleaning & Sweep - Old Greenwich matters because chimneys break in the off-season too, and Old Greenwich chimneys break faster than most because the salt air works on the metal and the mortar even when there’s no fire. An annual inspection on a coastal home catches cap corrosion, flashing rust, and crown cracking before any of it becomes a structural problem. Call (475) 375-2748 to book one. Estimates are free.
Stainless, every time. Galvanized caps near the Sound lose their zinc coating in five to seven years, then rust through and let water straight down the flue. The same galvanized cap lasts 15-plus years in inland Cos Cob. Stainless costs more up front, maybe $200 to $400 for a quality cap and pan, but it’s the only material that makes sense this close to salt water. We install Copperfield stainless caps on most Old Greenwich homes for exactly that reason.
The flashing and the cap. They’re the thinnest metal components and they sit exposed to the same onshore winds that carry salt off Long Island Sound. Once galvanized flashing loses its zinc coating, it rusts through fast, and from there water gets behind the chimney and into the firebox and smoke chamber. We typically replace flashing on Old Greenwich homes every ten to fifteen years, and we always use stainless.
Yes. The salt air doesn’t stop at the shoreline. Onshore winds carry it inland, and even a few blocks back you’ll see accelerated efflorescence and mortar erosion compared to inland Greenwich. A vapor-permeable siloxane waterproofing treatment runs $350 to $600 and is cheap insurance against repointing bills that start at $450 every time the joints open up. Call (475) 375-2748 for an exact quote.
It depends on what the camera shows. Cracked clay tiles can sometimes be repaired with a HeatShield or Gelco resurfacing product, but a full reline with a DuraFlex stainless liner is often the better long-term fix, especially in Old Greenwich where moisture gets into the flue from every direction. If the chimney structure itself is failing, a rebuild is the honest answer. We’ll give you the camera footage and a plain-English verdict, every time, no exceptions. If the liner can wait, we’ll tell you it can wait.
Ready to get your Old Greenwich chimney looked at? Call Top Hat Chimney at (475) 375-2748 for a free estimate. Live person answers, twenty-four seven. Wendell and his crew will give you a real arrival window and a written price before any work starts. Your flue doesn’t care how the fire looks. It cares how it breathes.
Written by Wendell Pike, Owner at Top Hat Chimney, serving Old Greenwich since 1999.





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