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Chimney Flashing Repair in Connecticut

Flashing is the metal that seals the joint where the chimney comes through the roof. When water shows up on a ceiling near the chimney and only in driving rain, this is almost always why.

Carbon monoxide alarm, a smell of gas, or smoke coming into the room?

Leave the building and call from outside — that is an emergency services call, not a service call. A blocked or failed flue is one of the ways carbon monoxide reaches a living space, and headaches that clear when you leave the house point the same way. If you have had a chimney fire — a roaring sound, dense smoke, or debris on the roof — do not light another fire until the flue has been inspected.

Call about flashing repair

(844) 785-4066

Free to use, and there is nothing to pay us. You are never committed to going ahead.

What happens when you call

  1. You describe the problem and where you are.
  2. We put you in touch with a licensed contractor covering that area.
  3. They arrange the visit and agree the price with you directly.

Worth having to hand

  • Roughly how old the system is
  • What it is doing — or not doing
  • Your ZIP code
Chimney Flashing Repair in Connecticut

What to ask for on Chimney Flashing Repair

  • Step and counter-flashing in copper or aluminum
  • Reglet cut into the mortar joint
  • Slate and cedar detailing
  • Coastal wind-driven rain assessment
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  • Licensed & insured We match you with contractors who hold current licensing and cover.
  • Know what to ask Every page says what decides the price, so you can judge a quote.
  • Free to use We never charge you. Compare quotes and walk away at any point.
  • Same-day reply Inquiries answered the day they arrive, usually within a couple of hours.

How it works

Three steps, no obligation at any of them.

  1. 1

    Call and tell us what is wrong

    Describe the problem and give us your ZIP code. We match you with a chimney company covering your area — there is nothing to fill in and nothing to pay us.

  2. 2

    A local contractor gets in touch

    A local chimney company contacts you to discuss the problem and arrange a visit. What they charge to attend or diagnose is theirs to set, so agree it with them up front.

  3. 3

    You decide

    Book the work, wait a season, or get a second quote. There is no obligation to go ahead with the contractor we introduce you to, and nothing to pay us either way.

What these repairs look like

Illustrative examples of the work described here. More in our disclaimer.

Crown rebuilt with a drip edge in Connecticut
Crown rebuilt with a drip edge Cast and sloped away from the flue with an expansion joint at the tile, so water drips clear of the brick instead of running down it.
Joints raked back and repointed in Connecticut
Joints raked back and repointed Mortar matched to the masonry, because mortar harder than the brick makes the brick the sacrificial part.
Stainless liner sized to the appliance in Connecticut
Stainless liner sized to the appliance Diameter taken from the manufacturer venting tables, insulated where the chimney runs cold.

What proper flashing is, and what it is not

Correct flashing is two separate layers. Step flashing is a series of L-shaped pieces woven in with the roof courses as they go up the side of the chimney. Counter-flashing is a second layer let into a groove cut in the mortar joint, folded down over the step flashing so water running down the masonry is thrown clear.

What is very often there instead is roof cement or sealant troweled across the joint. It looks like a repair for a season or two, then it shrinks, cracks and lets water straight in. Any quote that describes the fix as sealing or caulking the joint is describing a patch.

The reglet is the detail that lasts

Counter-flashing has to be cut into the mortar, not stuck to the surface. Surface-mounted metal held with sealant fails when the sealant does, which is a matter of a few years. A reglet cut and the metal wedged and pointed in lasts as long as the roof.

Roof material changes the job

On asphalt shingle this is routine. On slate it is skilled work, because slates have to be lifted and relaid rather than nailed through, and a broken slate becomes the next leak. On cedar shingle the detail again differs. Ask what experience they have with your roof, not just with chimneys.

Why the shoreline sees more of this

Wind-driven rain behaves differently from rain falling vertically. It gets under laps, drives up the face of a flashing, and finds gaps that hold perfectly well in ordinary weather. Along the Sound and the southeastern shoreline that is most of the serious rain, which is why flashing failures cluster on the coast.

If it leaks only in storms

That is the signature. A cracked crown leaks in any rain; a flashing gap leaks when the wind drives water at it. Telling the two apart before anyone starts work saves repairing the wrong thing.

Coordinating with a reroof

The best moment to redo chimney flashing is when the roof is off, and the worst outcome is a roofer bedding tiles or shingles over the old flashing to save time. If a reroof is coming, raise the chimney detail before the work starts.

Chimney Flashing Repair — frequently asked questions

How do I know it is the flashing and not the crown?

Timing. Flashing leaks appear with wind-driven rain and often stop in ordinary showers. Crown leaks appear whenever it rains. A hose test from the roof, working upward in sections, settles it.

Can flashing just be sealed?

As a temporary measure before proper work, yes. As the repair, no — sealant over a flashing joint is the single most common failed chimney repair, and it usually hides the actual gap.

How long should flashing last?

Copper will outlast the roof. Aluminum gives decades. Sealant gives two or three years, which is why the distinction matters.

Does the roofer or the chimney company do this?

Either, provided they detail it properly. The important question is whether they cut a reglet and let the counter-flashing into the mortar, or whether they intend to surface-mount and seal.

There is a stain but no active drip. Do I still need it fixed?

Yes. Staining means water has been arriving for some time and the framing behind has been wet. A stain that has stopped growing usually means the water found another route, not that it stopped.

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