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 Trumbull
Chimney cap and crown repair in Trumbull typically costs $340-$890 depending on whether you need a stainless cap, crown coating, or full rebuild, and most jobs are completed in a single visit. Hearthstone Chimney Co. has served Fairfield County for over 42 years, and our crews know the specific headaches of Trumbull’s 1960s and 1970s housing stock: double-flue masonry chimneys, shared stacks in attached colonials, and the accelerated mortar deterioration that comes with repeated freeze-thaw cycles. Call (475) 265-6822 for a free estimate. A live person answers, 24 hours a day.
We dispatch to Trumbull from our Hartford office, and our technicians are familiar with the tight rooflines along Old Town Road, the mature tree canopy in Tashua, and the split-level density around Middlebrooks Road. That local knowledge matters when you’re carrying a multi-flue cap up a ladder between oak branches and neighboring gutters.
Why Hearthstone Chimney Co. Is Trumbull’s Preferred Chimney Cap & Crown Company
Trumbull homeowners tend to stay put. The colonials and split-levels built during the town’s 1960s-70s expansion were constructed to last, and the families who bought them often raised children and now watch grandchildren visit the same hearths. We respect that continuity. Our Chimney Cap & Crown team treats every job like we’re working on our own neighbor’s house - because in a town this size, we probably are.
Our reputation here is built on documentation, not promises. Every Level-2 inspection ends with photos you can see and a plain-English verdict. If the crown has hairline cracks that haven’t yet penetrated to the flue, we say so. If the cap legs are rusted through and need replacement, we show you. No one at Hearthstone earns commission on upsells, so there’s no incentive to turn a $400 coating into a $2,000 rebuild.
Calls are answered by a live person, every hour of every day. Not a callback queue, not an app. When you call (475) 265-6822, you reach someone who can schedule your Trumbull appointment, answer questions about our 90-Day Done Right Promise, or explain why your split-level’s double-flue chimney needs separate caps instead of a single lid.
Our background-checked, uniformed technicians complete most jobs in a single visit, with no-hassle upfront pricing. The number on the estimate is the number on the invoice.
Our Chimney Cap & Crown Services in Trumbull
Multi-Flue Cap Installation
Trumbull’s double-flue masonry chimneys - one flue for the fireplace, one for the furnace - were standard construction in the 1960s and 1970s. A single flat cap over both openings is a mistake we see constantly. It lets wind-driven rain pool between flues, and in attached homes with shared stacks, it allows exhaust from a neighbor’s appliance to migrate into your flue. Our multi-flue caps feature individual stainless collars for each flue opening, isolating combustion streams and maintaining proper draft. We size these on-site for Trumbull’s common 13″ x 17″ and 17″ x 17″ flue configurations.

Custom Cap Fabrication
Some Trumbull chimneys defy standard sizing. Corner fireplaces in Tashua split-levels, exterior chase chimneys on Middlebrooks Road ranches, and oversized flues from oil-to-gas conversions all require measured fabrication. We build custom caps from 24-gauge stainless or copper, with welded seams and animal-proof mesh. Each cap is pitched to shed Trumbull’s heavy winter precipitation and the ice loads that follow nor’easters.

Crown Repair & Coating
The crown is the concrete or mortar slab that seals the chimney top between flue tiles. On Trumbull’s 50-60 year old chimneys, these crowns are often original construction: a thin mortar wash that crumbles after decades of freeze-thaw cycling. We repair structural cracks with professional-grade patching compound, then apply a flexible, UV-stable crown coating that bridges hairline movement without delaminating. This is not paint. It is a breathable membrane that sheds water while allowing vapor escape, critical for Trumbull’s humid summers and wet winters.

Cap Replacement
Standard galvanized caps rust through in 5-7 years in Trumbull’s climate. We replace them with 304 or 316 stainless caps from Famco and Copperfield, with lifetime warranties against corrosion. Replacement includes inspection of the flue collar, leg flashing, and the crown surface beneath - areas where less thorough crews cut corners.

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.
Trusted Brands We Service in Trumbull
We stock professional-grade materials from DuraFlex, HeatShield, Famco, and Copperfield - no builder-grade substitutes. For Trumbull customers, this means faster turnaround. When we find a cracked flue collar or rusted mesh during your cap inspection, we don’t order parts and make you wait two weeks. Our trucks carry the common sizes and fittings for Fairfield County’s mid-century housing stock. A square deal: no surprises on the bill, and no return trips because we didn’t have the right stainless collar on the truck.
Common Chimney Cap & Crown Problems We See in Trumbull Homes
- Mortar crown washout after freeze-thaw cycles. Trumbull’s inland location brings colder nights than the coast, with repeated freeze-thaw through January and February. Original mortar crowns absorb meltwater, expand, and spall. By March, the crown is porous enough to let gallons of spring rain track down the flue, saturating the smoke chamber and accelerating liner deterioration.
- Single flat caps on double-flue chimneys creating cross-contamination. In Trumbull’s attached colonials and split-levels, shared chimney chases are common. A single lid over both flues lets furnace exhaust from one unit migrate into an adjacent fireplace flue. The result is false draft readings, carbon monoxide risk, and acidic condensate where it doesn’t belong.
- Skipped underside inspections due to tight roof access. On Trumbull’s dense colonial streets, roof access is often squeezed between mature oak canopy and neighboring rooflines. Less careful sweeps inspect the cap top, pronounce it fine, and miss rusted legs, lifted flashing, and the gap where squirrels have been entering. We bring the right ladders and the patience to inspect completely.
- Unused basement fireplace flues left open to weather and wildlife. Trumbull’s split-levels and raised ranches often have a secondary family-room fireplace that hasn’t seen a fire in a decade. The damper is stuck open, the flue has no cap, and birds or squirrels have nested. Before burning season, these flues need cap installation, damper repair, and full cleaning - not optional maintenance, but safety work.
Pricing for Chimney Cap & Crown in Trumbull, CT
Honest pricing for Trumbull’s market:
| Service | Typical Range |
| Stainless single-flue cap, installed | $340-$520 |
| Multi-flue cap with individual collars | $580-$890 |
| Custom fabricated cap (copper or oversized) | $750-$1,400 |
| Crown coating (flexible membrane) | $420-$680 |
| Crown repair with partial rebuild | $680-$1,200 |
| Level-2 camera inspection with photo report | $289 |
What moves the needle: flue count, roof access difficulty, crown condition beneath the existing cap, and whether the flue tiles need repair before capping. We diagnose with a camera inspection so you see exactly what we see. No recommendation without evidence. Call (475) 265-6822 for an exact quote - estimates are free.
Standing offers: $50 off any repair over $250, free second opinion on any written estimate, $89 seasonal tune-up, and a permanent 5% senior and veteran discount.
We Also Serve Cities Near Trumbull
Our crews work throughout Fairfield and New Haven counties. If you’re in Trumbull or nearby Easton, Monroe, Shelton, or Bridgeport, we offer the same single-visit completion, upfront pricing, and 90-Day Done Right Promise. Scheduling is coordinated from our Hartford office, with local technicians dispatched to your area.
Serving Trumbull, CT - Our Local Coverage Area
We’re based in the Trumbull 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 Trumbull
It needs a multi-flue cap with individual collars for each flue opening, not one flat lid. Trumbull’s 1960s-70s double-flue chimneys were built with fireplace and furnace flues in the same stack, and a single cap lets exhaust, moisture, and debris migrate between them. We measure on-site and fabricate caps that isolate each flue while shedding Trumbull’s heavy snow and ice loads. Call (475) 265-6822 for a free estimate - estimates are free.
Look for visible cracks on the crown surface, water stains on the ceiling near the chimney, or white efflorescence on exterior brick - all signs that water is penetrating the crown and freezing. On Trumbull’s original mortar-wash crowns, failure often starts as hairline crazing that widens each winter. We confirm with a Level-2 camera inspection showing the crown underside and flue interior. Nothing is recommended without photo evidence you can see for yourself. Call (475) 265-6822 for an exact quote - estimates are free.
A properly fitted multi-flue cap with individual stainless stacks can eliminate cross-draft between adjacent flues in a shared chase. Trumbull’s attached colonials and split-levels often have chimney chases that serve multiple units, and the original oil-sized flues are now oversized for natural gas, creating pressure imbalances that pull exhaust laterally. We seal each flue opening separately and verify draft isolation with a smoke test. Call (475) 265-6822 for a free estimate - estimates are free.
Yes - unused flues are often the most vulnerable. In Trumbull, we regularly find that secondary family-room or basement fireplace flues have been open for years, with stuck dampers, bird nests, and first-degree creosote from furnace back-drafting. The crown above may be cracked, letting rainwater run straight down into the smoke chamber. We inspect, cap, and if needed, repair the damper so the flue is sealed when not in use. Call (475) 265-6822 for an exact quote - estimates are free.
A multi-flue stainless cap with separate collars for the furnace flue and fireplace flue, plus crown coating or repair if the original mortar wash has spalled. Trumbull split-levels on Old Town Road and Middlebrooks Road commonly have this exact configuration, and the gas furnace’s cooler exhaust produces acidic condensate that accelerates crown deterioration. We match the cap to your flue sizes, coat or rebuild the crown, and document everything with photos. Call (475) 265-6822 for a free estimate - estimates are free.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Trumbull and Fairfield County since 1984.





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