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 Sherborn
A chimney cap and crown in Sherborn typically costs $425-$1,800 depending on whether you need a replacement single-flue cap, a custom multi-flue cap sized to an antique center chimney, or a full crown rebuild with proper overhang. Most jobs are finished in a single visit, since our trucks leave stocked for the older masonry we see all over town. If you’re off South Main Street or up near the Farm Pond area and water is getting into your flue, call (781) 390-9211. Wendell Pike and his crew have been working on Sherborn chimneys long enough to know which ones were built before the town’s 2-acre zoning changed everything.
What matters on these older homes isn’t just what you see from the ground. It’s what the camera shows before anyone reaches for a trowel. In Sherborn, that matters more than in most MetroWest towns.
Why Top Hat Chimney Is Sherborn’s Preferred Chimney Cap & Crown Company
Sherborn homeowners tend to do their homework. They want a name they can verify, and a face they’ll see again at the transfer station on Saturday. Wendell Pike founded Top Hat Chimney in 1999. His name and license number are published, and he’s the one who stands behind the 90-Day Done Right Promise, in writing, on every job. If something isn’t right, one call brings him back.
Ask anyone on your street, or over near the Stonegate neighborhood, or down by the Charles River off of route 27. The houses here are not like the split-levels in Holliston or the capes in Ashland. They’re older, often with center chimneys that carry three or four flues. We know that before we pull up. The sweep who shows up at your door has been inside enough of these stacks to tell you, honestly, whether the crown can be repaired or whether it’s time to rebuild. And if it can wait, we’ll say so. Nothing gets recommended without camera evidence you can watch yourself.
Calls are answered by a live person, 24/7. It may well be Wendell picking up. You’ll get upfront pricing before a single tool comes off the truck, and the number on the phone is the number on the invoice.
Our Chimney Cap & Crown Services in Sherborn
Cap Installation
A new cap does two jobs in Sherborn: it keeps rain and snow out of the flue, and it keeps animals out of the attic. On homes along Washington Street and the older farmhouses near the Holliston line, we see squirrel and raccoon entry every season. But before we install anything, we map the flue layout. In a center-chimney colonial, you cannot assume one flue means one fireplace. A standard cap install runs $425-$650 for a single flue, and we’ll show you the camera footage before we tighten the set screws.
Cap Replacement
Rusted caps are common in Sherborn because the Charles River corridor holds moisture in the air year-round. That dampness settles on the cap, works through the seams, and in a few winters the cap is a pile of rust flakes in the crown. Replacing a single-flue cap here runs $450-$750. We carry Copperfield and Famco replacements on the truck for the most common Sherborn flue sizes so we’re not running back to a supply house and leaving your flue open overnight.
Crown Repair
The crown is the concrete slab that seals the top of the chimney and sheds water away from the flue liners. In Sherborn’s pre-1900 houses, crowns were often built with too little overhang and no expansion joint. Combined with the elevated ground moisture along the river, that means efflorescence and freeze-thaw spalling are routine findings on annual inspections. Crown repair in Sherborn runs $600-$950, and we use a proper water-repellent coating that lets the masonry breathe while it cures.
Crown Coating
When the crown is structurally sound but beginning to show hairline cracks and minor spalling, a CrownCoat or Gelco wash can buy it another decade before a full rebuild becomes necessary. Crown coating in Sherborn typically runs $350-$600. It’s not the right answer for every chimney, and we’ll tell you plainly if the crown is too far gone for a coating to hold. This is one of the jobs where a cheaper fix can hide a bigger problem, especially on the multi-flue stacks we see around Sherborn.
Multi-Flue Cap
This is the service that matters most for Sherborn’s antique center-chimney colonials. One exterior chimney stack, three or four flues, a single cap spanning the lot. These are not off-the-shelf. We measure the exact flue spacing, order a custom stainless cap built to those dimensions, and install it with a proper masonry anchor so it does not come loose in a nor’easter. Multi-flue caps in Sherborn run $900-$1,800 for the cap and installation, and the extra cost versus a single-flue cap is the difference between an active wood stove flue staying dry and one that rusts through in five winters. We also inspect each flue separately before adding any cap, because in these old houses, one passage might vent a fireplace, another a wood stove, and another nothing at all. The pre-clean smoke test tells us which is which.
Custom Cap
Some Sherborn chimneys have flue spacing that does not match any standard cap on the market. We’ve seen it on Federal-style farmhouses on the north side of town, and on capes off of Maple Street. When that happens, we order a custom Copperfield or Famco cap built to the measured drawing. Custom caps in Sherborn run $1,100-$2,200 depending on the number of flues and the complexity of the chase. You’ll see the drawing and approve it before the metal gets cut.
Trusted Brands We Service in Sherborn
We stock parts for Sherborn jobs from Copperfield and Famco, and we trust DuraFlex for liner repairs that often come up when a bad crown has already caused damage below. What matters is not the brand name on the box. It’s that we have the right parts on the truck for the older Sherborn flue sizes that generic supply houses don’t stock. When we spec a copper cap for a farmhouse that’s been standing since 1850, the cap has to match the age of the house, not just the flue tile. We’re particular about that.
Common Chimney Cap & Crown Problems We See in Sherborn Homes
- Water from a failed crown reaching multiple flues at once. On Sherborn’s center-chimney colonials, one bad crown channels water into every clay-tile flue it covers. That accelerates liner spalling and can leak into attic framing. A $300 crown repair deferred becomes a $3,000+ reline and masonry rebuild. We find this on houses off of South Main Street and throughout the older sections near the town center.
- A single-flue cap on a multi-flue chimney. A previous owner installs a standard cap on the primary flue and leaves the adjacent wood stove flue open to the sky. We’ve pulled caps off of Sherborn homes and found rusted firebox dampers and heavy first-degree creosote collecting in an uncapped flue. The fix is a properly sized multi-flue cap, not another single cap.
- Efflorescence and spalling at the crown line. The moisture that moves through Sherborn’s river-adjacent soil wicks up through older brick, and when it meets a crown with hairline cracks, freeze-thaw cycles do the rest. Missing mortar, loose bricks waiting to fall, and a white chalky bloom that never quite dries are the tells.
- Animals nesting in uncapped flues off of Washington Street. Squirrels, raccoons, and chimney swifts all find their way into open flues on Sherborn’s older homes. A proper cap with screening keeps them out without restricting draft on a wood stove.
Pricing for Chimney Cap & Crown in Sherborn, MA
The numbers below are what we quoted and charged on recent Sherborn jobs. Not averages from a national database and not guesses.
- Single-flue cap replacement: $425-$750 installed
- Multi-flue custom cap (Sherborn center chimneys): $900-$1,800 installed
- Crown repair with proper overhang: $600-$950
- Crown coating (minor cracks, early spalling): $350-$600
- Full crown rebuild on a multi-flue stack: $1,200-$2,400
What changes the price in Sherborn is flue count, chase condition, and whether we’re custom-cutting a stainless cap for odd flue spacing or a copper cap for a farmhouse. Call (781) 390-9211 and we’ll give you a firm number before the job is scheduled. Estimates are free, and so is a second opinion on any written estimate you’ve received.
We Also Serve Cities Near Sherborn
Our chimney cap and crown work covers the towns that share Sherborn’s older housing stock and its weather: Chimney Cap & Crown in Sherborn naturally extends to Holliston, Ashland, Framingham, and Wellesley. If you’re in one of those towns and dealing with a failing crown or a missing cap, call the same number: (781) 390-9211.
Serving Sherborn, MA - Our Local Coverage Area
We’re based in the Sherborn 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 Sherborn
Because a single exterior stack with three or four flues cannot be safely capped one flue at a time without leaving adjacent passages open to rain and animals. A multi-flue cap spans the whole crown and seals every flue with one properly anchored unit. That matters in Sherborn specifically because so many of our center-chimney colonials vent a wood stove on one flue, a fireplace on another, and a furnace on a third. If you cap only the fireplace flue, the stove flue stays wet. We measure, we spec, and we install a custom cap that fits the exact flue spacing. Call (781) 390-9211 for an exact quote. Estimates are free.
Yes, if the flue liners are still intact and the camera inspection shows no significant spalling or gaps in the clay tile. Crown repair addresses the water entry point before liner damage spreads. We inspect first with a Level 2 camera, show you the footage, and tell you if the crown work is enough on its own or if the liner has already been damaged. The camera footage and a plain-English verdict, every time, no exceptions. Call (781) 390-9211 to schedule the inspection.
You don’t, until someone checks the flue size, the draft, and the smoke path. A cap with the wrong mesh or the wrong lid height can choke an older wood stove flue and push smoke back into the living room. On Sherborn’s center-chimney homes, the flue assignments are not always obvious, so we do a smoke test before a replacement cap is installed. That tells us exactly which passage vents what, and whether a cap with more open area is needed. Call (781) 390-9211 for a free estimate.
It’s almost certainly a contributor. The river corridor that runs through Sherborn keeps ground moisture higher than in the surrounding towns, and that moisture wicks up through older brick. When it reaches the crown and hits a hairline crack, freeze-thaw spalling starts. The efflorescence is the visible sign of it. The fix is crown repair with a proper overhang and a breathable water repellent. Call (781) 390-9211 and we’ll inspect it before recommending anything.
Yes. An unused chimney still gets wet, still collects debris, and still provides a nesting place for animals. The cap and crown are the only things keeping water out of a flue that never sees heat. In Sherborn’s older homes, an uncapped unused flue will still leak into the masonry and the attic. We recommend an annual inspection. It costs less than repairing what a bad crown does to a chimney over five years of neglect. Call (781) 390-9211 to schedule.
If you’re in Sherborn and your chimney cap is missing, rusted through, or the crown is shedding mortar into the gutter, call (781) 390-9211. Wendell and his crew will come out, show you the camera footage, and tell you straight what needs doing and what doesn’t. No pressure, no mystery, and a written 90-Day Done Right Promise on every job.
Written by Wendell Pike, Owner at Top Hat Chimney, serving Sherborn since 1999.





Before
After
Before
After
Before
After