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 Billerica
Chimney cap and crown work in Billerica typically runs between $400 and $1,800 depending on whether you need a crown recoat, a full rebuild, a single cap replacement, or a custom multi-flue setup. Most jobs are completed in one visit, and every quote is written before any work starts. If you live near Route 3A, Twin Springs Road, or over by the Concord River, our crews know the housing stock and the specific ways Billerica chimneys fail. Call (980) 580-8641 for a free estimate with a camera-documented inspection included.
We’ve worked on enough Billerica split-levels and colonials to know the pattern: a chimney that looked fine when the house passed inspection in 2018 is now quietly shedding mortar from the crown, and the only way to see it is with a camera dropped down the flue. That’s what we do on every visit, no exceptions.
Why Emberly Chimney Cleaners Is Billerica’s Preferred Chimney Cap & Crown Company
Billerica homeowners tend to research before they call. They’ve read the horror stories about chimney companies recommending $4,000 rebuilds on chimneys that only needed a $600 crown coat. What sets us apart is simple: we show you the evidence. Before we recommend a single repair, we run a camera down the flue and show you exactly what’s happening. Clause 4 of the Haven Standard requires a documented photo record on every job, and we’ve done it that way since 2009.
Our Chimney Cap & Crown team serves Billerica with background-checked, uniformed technicians who arrive on schedule and carry written pricing before work begins. Corrine Halstead leads our operations, and she’s built the company on a principle that shouldn’t be radical: the customer sees the same evidence the technician sees. A written price, written scope, and written warranty are delivered before anyone picks up a trowel. That’s Haven Standard Clause 1, and it applies to every job in Billerica, from a simple cap replacement near the Shawsheen River to a full crown rebuild off Boston Road.
Our Chimney Cap & Crown Services in Billerica

Cap Installation
Most Billerica homes that were built with a single-flue masonry chimney have either no cap or a cheap hardware-store cap that’s rusted through. We install custom-sized stainless steel caps from Famco and Copperfield, sized to your actual flue tile dimensions, not a universal fit. On a raised ranch off Route 3A where the chimney terminates low on the roof line, a properly fitted cap also keeps squirrels and raccoons out of the flue during the fall when they’re looking for nesting sites.

Cap Replacement
If your existing cap is more than 10 years old, there’s a good chance the mesh screen has rotted out or the lid has warped from Concord River valley humidity. We measure the flue, show you what’s failed on the old cap, and install a replacement that’s built for Billerica’s freeze-thaw cycling. No upsell: if the cap is sound and only the screen needs replacing, that’s what we tell you.

Crown Repair
This is the service that most often gets misquoted in Billerica. A cracked or spalled crown doesn’t always mean a full tear-out. We grind back the failed surface, patch with a structural mortar that can handle a six-month heating season, and apply a Gelco crown coat that flexes with temperature changes instead of splitting. But we only know the full extent after a camera inspection of the flue interior, because crown damage and internal mortar erosion often travel together.

Crown Coating
For crowns that are structurally intact but showing surface cracking, a flexible crown coating buys years of service life for a fraction of the cost of a rebuild. Billerica’s low-lying areas near Great Meadows sustain elevated ground-level humidity that works water into hairline crown cracks every time temperatures swing. A Gelco crown coat seals those hairline openings before freeze-thaw turns them into structural fractures. We stock the materials locally, so turnaround for Billerica homeowners is typically days, not weeks.

What happens when you call
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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.
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AfterTrusted Brands We Service in Billerica
We install and service caps, crowns, chase covers, and flue terminations from Famco, Copperfield, and Gelco. These aren’t generic open-market parts. We source them through Haven’s buying network specifically so Billerica customers aren’t paying inflated retail on materials that get marked up three times before they reach your roof. When a Billerica split-level needs a multi-flue cap for a two-flue stack, we order it to the exact flue dimensions and have it on the truck the next day in most cases.
Common Chimney Cap & Crown Problems We See in Billerica Homes

- Oversized flue condensation eating mortar from inside. Homes built along the Route 3 and Route 3A corridors during the 1960s through 1980s generally started with oil-fired heating systems and 8-inch clay tile flues sized for that equipment. After conversion to high-efficiency gas in the 1990s through 2010s, those flues became massively oversized for the new exhaust volume, and the acidic condensate that forms inside eats the mortar collar where the flue meets the crown. You can’t see it from the firebox. You need a camera.
- Freeze-thaw spalling on uncoated crowns. Billerica sits in the Concord River valley, and the heating season routinely runs from October through April. Water finds its way into any crack in an uncoated crown, freezes, expands, and pops off a little more mortar each cycle. After a few seasons, the crown looks like a gravel driveway and water is running down the flue wall.
- Missing or undersized chase covers on metal chases. Early prefabricated metal chase systems on Billerica raised ranches were often installed without a proper chase cover, or with a thin galvanized cover that rusts through in eight to ten years. Rain, snow, and raccoons get into the chase, and the flue termination rusts before the crown itself even fails. A proper stainless chase cover solves it permanently.
- Wrong-size caps from previous handymen or flippers. We regularly remove caps that were never measured for the flue they’re sitting on. A cap that’s too small blocks draft. A cap that’s too large lets rain and animals in around the edges. In North Billerica near the village center, older homes with multiple-flue stacks often came through decades with mismatched caps on different flues, and we fix that in one visit.
Pricing for Chimney Cap & Crown in Billerica, MA
Here’s what you can expect to pay in Billerica, based on the jobs we’ve completed across town:
- Cap installation (single-flue, standard stainless): $280-$550
- Cap replacement (including removal and disposal of old cap): $320-$650
- Crown coating (Gelco, single coat over intact crown): $400-$750
- Crown repair (patch and coat, moderate spalling): $550-$1,100
- Full crown rebuild (demo, form, pour, cure, coat): $1,100-$1,800
- Multi-flue cap (custom-sized, stainless): $600-$1,200
The spread exists because a 1968 colonial on a flat lot near the Concord River has different exposure and flue configuration than a 1985 raised ranch up near Route 3. What we won’t do is give you a number without seeing the chimney. Every quote comes with camera footage that shows you why the work is needed, and a written price before anything starts. Call (980) 580-8641 to schedule a free estimate.
We Also Serve Cities Near Billerica

Our Chimney Cap & Crown crews regularly work in Tewksbury, Burlington, Wilmington, and Chelmsford. If you’re in one of those towns and have been putting off a crown repair or cap replacement, the same written pricing and camera-documented inspection apply. Dispatch is coordinated from the brand’s Boston office, and crews serve Billerica locally.
Serving Billerica, MA - Our Local Coverage Area
We’re based in the Billerica 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 Billerica

It comes down to location and housing stock. Billerica’s position in the Concord River valley, combined with its concentration of 1960s-1980s colonials and split-levels with original masonry chimneys, means more homes are dealing with uncoated crowns, oversized flues from oil-to-gas conversions, and six months of freeze-thaw cycles. Your neighbor in Burlington may have a newer cap, a coated crown, or a flue that was relined when the heating system was converted. The best way to find out what’s actually causing your crown to crack is a camera inspection that shows the flue interior and the crown’s condition in real time. Call (980) 580-8641 for a free estimate.
Yes, possibly. When a Billerica home converts from oil to high-efficiency gas, the original 8-inch clay tile flue is now venting a 4-inch appliance. The oversized flue never gets hot enough to push exhaust out efficiently, and the acidic condensate that forms runs down the flue wall and eats the mortar where the flue meets the crown. You can’t see this damage from the firebox or the roof unless someone drops a camera down the flue. Even if you never burn wood, the crown’s mortar collar can be actively deteriorating. We’ve seen this exact pattern on Twin Springs Road and in neighborhoods across Billerica. Call (980) 580-8641 to schedule an inspection with photo documentation.
A chimney cap on a metal chase system keeps rain, snow, animals, and debris out of the chase and the flue inside it. On Billerica raised ranches with prefabricated metal chases from the 1970s and 1980s, the cap also prevents water from running down the inside of the chase and rusting the flue termination. The right cap is one that’s sized to the actual flue inside the chase, not just any cap that happens to sit on top. We measure the flue, check the existing cap for rust-through or gaps, and install a Famco or Copperfield stainless cap sized to the actual dimensions. Call (980) 580-8641 and we’ll bring the measuring tools and a camera.
Because crown damage is rarely isolated. In Billerica, where oil-to-gas conversions are common and original clay tile flues are often still in place, what looks like a simple surface crack on the crown is frequently accompanied by internal mortar erosion where the oversized flue meets the crown. If we grind back and patch the visible crack without knowing what’s happening inside, we’re not solving the problem. Clause 4 of the Haven Standard requires a documented photo record on every job, and that starts with a camera scan before any quote is written. You’ll see the footage, and the written price will reflect what the camera found, not a guess. Call (980) 580-8641.
Technically, you can cover two flues with a single cap if the cap is designed and sized for it, but in Billerica we most often recommend a custom multi-flue cap that spans the crown and covers both flues properly. The reason is simple: a single-flue cap set over two flues leaves gaps where rain, animals, and debris can enter the unused flue. A multi-flue cap from Famco is fabricated to the exact width and depth of your crown, with a continuous mesh screen that covers both openings. That’s what we installed on a Twin Springs Road split-level with a two-flue stack after the homeowner’s previous single-flue cap had rusted through and let a squirrel nest in the furnace flue. Call (980) 580-8641 for a free estimate and we’ll measure both flues.
Written by Corrine Halstead, Owner at Emberly Chimney Cleaners, serving Billerica since 2009.





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