Hartford, CT · Mon–Sat 7am–6pm
Chimney flashing repair: where a masonry wall punches through the roof
- Mon–Sat 7am–6pm
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What the job involves
Chimney Flashing Repair in Hartford, CT
Step flashing versus counter-flashing
A chimney is not a roof detail so much as a masonry wall that happens to interrupt one. That distinction matters because the flashing around it is really two separate systems meeting at a joint, not one continuous piece of metal doing a single job.
Step flashing belongs to the roof side. It is a stack of individual L-shaped pieces, one per shingle course, each one lapped over the piece below it the same way shingles overlap each other going up the slope. Step flashing's job is to keep water on the roof plane moving downhill past the chimney without letting any of it slip sideways into the gap where brick meets deck.
Counter-flashing belongs to the masonry side. It is set into the chimney itself, above the step flashing, and folds down to cover the top edge of every step-flashing piece it overlaps. Where step flashing sheds water down the roof, counter-flashing's whole purpose is closing the gap directly above it, so water running down the brick face can't get behind the roof-side metal and into the house.
Among the places a roof actually fails, the chimney gets flagged more than almost anywhere else — inspectors cite it, alongside valleys and wall transitions, as one of the most common sources of a leak, more often than shingles that have simply worn out across the field. Most of that comes down to this two-piece handoff. Step flashing and counter-flashing are made, installed, and maintained by different trades on different schedules, and the seam between them is where the two halves of the job most often stop agreeing with each other.
The two pieces are not always even the same metal, which adds a second way for that seam to go wrong. Galvanized steel step flashing paired with a copper or aluminum counter-flashing can set up galvanic corrosion where the two metals touch and stay wet, slowly eating away at whichever one is less noble in that pairing. That failure has nothing to do with the mortar reglet above it — it's a materials mismatch built into the joint from the day it was installed, and it shows up as pitting or thinning metal at the overlap long before either piece looks obviously rusted through.
Why the mortar reglet fails
Counter-flashing has to attach to the chimney somehow, and the standard method is a reglet: a narrow groove cut into a mortar joint, into which the top edge of the counter-flashing is inserted and then sealed or wedged in place. That groove is doing structural work, not decorative work — it is the only thing holding the masonry-side flashing against the brick.
Mortar is porous and it moves with temperature the same way metal does, just on a slower cycle. A freeze-thaw winter drives water into any hairline crack at the reglet, and repeated freezing expands that crack a little further each time. Eventually the mortar holding the counter-flashing loosens enough that the metal pulls slightly away from the masonry, and once there's a gap, water runs straight down the back of the counter-flashing and behind the step flashing it was supposed to protect.
That failure pattern explains a common complaint: a chimney that seems to leak around the flashing even though the step flashing itself, checked on its own, looks intact. The metal isn't necessarily the problem. The mortar holding it in place is what let go first, and no amount of resealing the visible metal joint fixes a reglet that's opened up an inch above it.
The crown at the very top of the chimney is a separate structure from the reglet and fails for a different reason entirely — it's the chimney's own cap, not a joint in its side wall. Our chimney crown repair page covers that failure on its own, since a cracked crown can produce water damage inside the stack that looks a lot like a flashing leak without being one.
Repair versus rebuild
Not every chimney flashing complaint needs the same scope of work. When the failure is isolated to a short stretch of reglet — a few inches of mortar that opened up while the surrounding joint and the step flashing beneath it are still sound — reseating and resealing that section is usually enough. The rest of the system is doing its job; one segment of the masonry-side connection just needs to be redone.
A rebuild becomes the right call when the problem is spread across the whole chimney rather than one spot. Step flashing that has rusted through in multiple courses, counter-flashing that has pulled free along most of its length, or mortar joints that are crumbling generally rather than cracked in one place all point toward removing and reinstalling the full flashing system instead of patching pieces of a system that's failing as a whole. Trying to spot-repair a chimney in that condition tends to mean coming back for the next section within a season or two.
Telling the two apart takes an actual look at the joint, not just a description of where the ceiling stain showed up, since a small reglet gap and a fully deteriorated flashing system can produce a nearly identical drip point inside the house. That look means testing the reglet by hand along its length to see whether the counter-flashing is firmly seated or already working loose, checking the step flashing for pitting or rust-through at the overlaps, and looking for signs of an old sealant patch layered over a joint that was never actually rebuilt. Each of those findings points toward a different scope, and none of them are reliably visible from the ground.
Chimney flashing repair is one entry point into a wider set of repair services — for a fuller sense of how a described symptom gets routed to the right scope of work, our roof repair page walks through that triage from the start.
Hours
- SundayOpen 24 hours
- MondayOpen 24 hours
- TuesdayOpen 24 hours
- WednesdayOpen 24 hours
- ThursdayOpen 24 hours
- FridayOpen 24 hours
- SaturdayOpen 24 hours
Calls are answered live, including overnight, weekends, and holidays. Dispatch times vary with traffic and how far the van has to travel.
Call (860) 421-6068Free quote
Need chimney flashing repair in Hartford?
Urgent jobs are quickest by phone — someone picks up around the clock, and the price you hear before dispatch is the price you pay.
(860) 421-6068Part of our roof repair work — related: roof leak detection, roof leak diagnosis.
Through the year
How Hartford weather changes this job
Winter in Hartford
Ice dams build along the eaves when attic heat melts snow that then refreezes at the colder edge, backing water up under the shingles. Sustained snow load also stresses older framing and flat sections built with a lighter deck.
Spring in Hartford
Freeze-thaw cycling through late winter works ice into small cracks in flashing and sealant, so the first heavy spring rain is usually when a slow leak turns visible. Wind during spring storms lifts shingles that ice already loosened.
Summer in Hartford
UV exposure and heat cycling dry out asphalt shingles faster on south- and west-facing slopes. A roof that looked fine in June can show granule loss and curling edges by August.
Autumn in Hartford
The season for getting ahead of winter — gutters cleared, flashing checked, and a full inspection scheduled before the first hard freeze locks in whatever damage went unnoticed over summer.
What we handle
Roofing services in Hartford
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Roof Installation
Get a quoteFull new-roof installation on additions, new builds and full tear-offs.
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Roof Replacement
Get a quoteComplete removal and replacement of a worn or storm-damaged roof, from deck inspection through final cleanup.
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Shingle Replacement
Get a quoteSection or full-roof shingle replacement matched to existing coursing so the repair doesn't stand out from the street.
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Roof Decking Replacement
Get a quoteReplacing rotted or delaminated plywood decking discovered during a tear-off, before new shingles or underlayment go down.
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Roof Re-Pitching
Get a quoteReframing a low-slope or flat section to a working pitch so water sheds instead of pooling and leaking.
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Roof Structural Reinforcement
Get a quoteSistering rafters and reinforcing framing that has sagged under snow load or years of undersized original construction.
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Roof Truss Reinforcement & Repair
Get a quoteRepairing or reinforcing damaged trusses so the roof carries its rated load through the next big snowfall.
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Solar Panel Roof Installation
Get a quoteRoof preparation that carries a solar array's weight and penetrations without voiding either the roofing or panel warranty.
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Residential Roofing Services
Get a quoteResidential roofing service covering material selection, installation and long-term care for every roof type Hartford homes use.
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Asphalt Shingle Roof Installation
Get a quoteStandard three-tab or architectural asphalt shingle installation, the most common re-roof for Hartford's postwar capes and colonials.
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Cedar Shake Roof Installation
Get a quoteHand-split or taper-sawn cedar shake installation for owners restoring or preserving a period roofline.
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Slate Roof Installation
Get a quoteNew natural slate installation on colonials and capes where the original roof has finally reached end of life.
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Historic Slate Restoration
Get a quoteRepair and selective replacement for Hartford's original slate roofs, matched to the existing stone.
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Metal Roof Installation
Get a quoteStanding-seam or exposed-fastener metal roofing installation, sized for New England snow load and long-term durability.
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Tile Roof Installation
Get a quoteConcrete or clay tile roof installation for owners who want a distinct roofline and decades of service life.
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EPDM Rubber Roofing Installation
Get a quoteEPDM rubber membrane installation for flat and low-slope sections, welded and flashed to shed standing water.
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TPO Roofing Installation
Get a quoteTPO single-ply membrane installation for flat commercial and residential additions, reflective and seam-welded for a tight roof.
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Energy-Efficient Roofing Solutions
Get a quoteReflective shingles, ridge ventilation and insulation upgrades chosen to cut attic heat loss through a Connecticut winter.
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Roof Repair
Get a quoteDiagnosis and repair for leaks, flashing failures and storm-damaged sections before small problems become full replacements.
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Roof Leak Detection
Get a quoteLocating an active leak's true entry point, which is often feet away from the stain on the ceiling.
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Roof Leak Diagnosis
Get a quoteEvery failure point contributing to a leak identified through a full roof assessment before any repair is scoped.
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Roof Leak Prevention
Get a quoteFlashing and sealant work at known failure points so this winter's freeze-thaw cycle doesn't reopen last year's leak.
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Roof Sealing
Get a quoteSealing seams, penetrations and transitions with roofing-grade sealant to stop water intrusion at a specific point.
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Chimney Flashing Repair
You're hereRebuilding step and counter flashing around a chimney, the single most common source of a roof leak.
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Chimney Crown Repair
Get a quoteChimney crown cracks patched and sealed before water gets behind the flashing and into the attic.
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Roof Flashing Installation
Get a quoteInstalling flashing at valleys, walls and penetrations, the metal detailing that keeps water moving off the roof.
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Roof Drip Edge Installation
Get a quoteDrip edge fitted along eaves and rakes so runoff clears the fascia instead of rotting it from behind.
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Roof Eave Flashing Repair
Get a quoteEave flashing rebuilt where ice dams do the most damage on older Hartford roof lines.
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Roof Skylight Repair
Get a quoteResealing or replacing failed skylight flashing and glazing seals that let water track down into a ceiling.
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Roof Skylight Installation
Get a quoteCutting in and flashing a new skylight, curb-mounted or deck-mounted, without compromising the surrounding roof deck.
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Solar Panel Roof Repair
Get a quoteRemoving and resetting solar panels to repair the roofing underneath, then re-flashing every mounting point.
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Emergency Roof Repair
Get a quoteStorm, hail and wind damage — stabilizing the roof first, then scoping the permanent repair.
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Roof Storm Damage Repair
Get a quoteRepairing roof damage from a specific storm event, documented and itemized for an insurance claim.
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Roof Hail Damage Repair
Get a quoteReplacing hail-bruised or fractured shingles identified during a post-storm inspection, matched to the existing roof.
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Roof Wind Damage Repair
Get a quoteResetting or replacing shingles lifted or torn loose by high wind before the next storm gets underneath them.
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Roof Wind Damage Inspection
Get a quotePost-wind-event inspection finding lifted shingles and compromised seals before they turn into an active leak.
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Storm Damage Roof Inspection
Get a quoteRoof condition documented after a storm and written up for an insurance adjuster before repairs begin.
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Ice Dam Removal & Prevention
Get a quoteSteam removal of active dams plus the ventilation and shield work that stops the next one.
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Roof Snow Removal
Get a quoteRaking or shoveling heavy snow load off a roof before it exceeds the structure's rated capacity.
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Roof Maintenance
Get a quoteScheduled inspection, ventilation and drainage work that catches freeze-thaw damage before winter turns it into a leak.
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Roof Inspection
Get a quoteEvery visible roof system checked, covering shingles, flashing, ventilation and decking, with photos and a written condition report.
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Roof Ventilation Installation
Get a quoteRidge and soffit ventilation added so attic air moves the way it needs to in every season.
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Roof Ventilation Repair
Get a quoteRepairing blocked or undersized attic ventilation that is driving ice dams or premature shingle wear.
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Roof Insulation Installation
Get a quoteAdding attic insulation to the level needed to keep the roof deck cold and stop ice dams.
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Roof Moisture Barrier Installation
Get a quoteInstalling a moisture barrier under roofing materials to block vapor intrusion before it reaches the decking.
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Ice & Water Shield Installation
Get a quoteSelf-adhering ice-and-water shield goes down at eaves and valleys, the underlayment that actually stops an ice dam leak.
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Roof Drainage System Installation
Get a quoteInstalling or re-routing roof drainage so runoff clears the foundation instead of pooling against the house.
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Gutter Installation & Replacement
Get a quoteNew or replacement gutters and downspouts sized to actually carry Hartford's spring runoff away from the foundation.
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Tile Roof Maintenance Inspection
Get a quotePeriodic inspection of a tile roof for cracked or slipped tiles and failing underlayment.
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Commercial Roofing Services
Get a quoteFlat and low-slope roofing for Hartford-area commercial buildings, from new membrane installs to restoration and waterproofing.
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Flat Roof Installation
Get a quoteA commercial building gets a new flat roof, membrane selected for the building's use and traffic.
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Flat Roof Repair
Get a quotePatching or resealing a failed section of flat roof membrane before ponding water finds its way inside.
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Flat Roof Membrane Replacement
Get a quoteFull tear-off and replacement of an aged flat roof membrane that has outlived its service life.
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Low-Slope Roof Waterproofing
Get a quoteMembrane waterproofing for low-slope sections that don't shed water fast enough for standard shingle roofing to work.
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Commercial Flat Roof Waterproofing
Get a quoteWaterproofing a commercial flat roof at seams, penetrations and parapet walls where leaks actually start.
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Elastomeric Silicone & Acrylic Roof Coating
Get a quoteApplying an elastomeric, silicone or acrylic roof coating to extend the life of an existing commercial membrane.
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Metal Roof Thermal Barrier Coating
Get a quoteA reflective thermal barrier coating applied to a metal roof to cut cooling load and slow corrosion.
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Commercial Roof Restoration
Get a quoteRestoring an aging commercial roof system to extend its service life without a full tear-off and replacement.
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Infrared Roof Leak Detection
Get a quoteInfrared scanning of a commercial roof to locate trapped moisture under the membrane before it spreads.
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Urgent jobs are quickest by phone — someone picks up around the clock, and the price you hear before dispatch is the price you pay.
(860) 421-6068Where we go
Hartford and the surrounding towns
Mobile service, so the van comes to you. Hartford is the base; these are the neighboring communities we cover on the same call-out.
- West Hartford, CT
- East Hartford, CT
- Wethersfield, CT
- Newington, CT
- Bloomfield, CT
- Windsor, CT
- South Windsor, CT
- Rocky Hill, CT
- Manchester, CT
- New Britain, CT
- Glastonbury, CT
- Farmington, CT
- Avon, CT
- Simsbury, CT
- Berlin, CT
- Bristol, CT
Hiring in one of these towns?
A separate guide for each town on what to check before you sign with any roofing contractor there — license and insurance, written scope, and what the warranty actually covers.
Straight answers
Common questions about roofing costs and service
What is the best time of year for chimney repair?
Weather matters more than the calendar date. Mortar and reglet sealant both need a certain range of temperature and dryness to cure properly, so a stretch of hard freezes or heavy rain makes a full mortar-and-flashing repair harder to do well, not just less pleasant to schedule. A dry, moderate stretch gives the materials the best chance to set correctly the first time. That said, an active leak doesn't wait for ideal weather — where full mortar work isn't advisable in the moment, a temporary measure to stop water intrusion can still go in regardless of season, with the permanent repair following once conditions allow it.
What is the cheapest month for roofing?
We don't set pricing by calendar month, and we'd be skeptical of anyone who quotes a chimney repair differently in July than in November for the same actual scope of work. What does change with the season is the work itself: mortar and sealant have a real curing window, so a repair scheduled outside that window may cost more in the long run if it has to be redone. The chimney's own condition, not the date on the calendar, is what actually drives the cost of fixing it.
Can an old chimney be repaired?
In most cases, yes, and age alone isn't the deciding factor — condition is. An older chimney with sound brick and mortar generally just needs its flashing and reglet redone the same way a newer one would. Where age starts to matter is when the masonry itself has degraded broadly: spalling brick, mortar that's crumbling rather than cracked, or a stack that's visibly leaning. That's a different, larger scope than a flashing repair, and it's worth having both the roofing side and the masonry itself assessed together before deciding what the chimney actually needs.
Is gutter damage covered by homeowners insurance?
It depends on what caused it. A gutter dented or torn loose by hail or a falling branch during a specific storm is generally treated as sudden damage, which is the category insurers are most willing to cover. A gutter sagging or pulling away from the fascia because the hangers have simply aged out over many years reads as gradual wear instead, and that category is usually excluded. Photographing the damage soon after a storm, and noting the date, gives an adjuster something concrete to evaluate rather than a guess about which category applies.
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