154 cities and towns covered
Chimney Flashing Repair in Massachusetts
Water on a ceiling near the chimney, appearing only in driving rain, is the signature of failed flashing — and on a Massachusetts slate roof it is skilled work rather than a quick patch.
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) 785-4066Free to use, and there is nothing to pay us. You are never committed to going ahead.
What happens when you call
- You describe the problem and where you are.
- We put you in touch with a licensed contractor covering that area.
- 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
What to ask for on Chimney Flashing Repair
- Step and counter-flashing in copper or lead-gray metal
- Reglet cut into the mortar joint
- Slate and cedar shingle detailing
- Coordinated with reroofing
- 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.
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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.
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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.
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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.
Two layers, not a bead of sealant
Correct flashing is two separate metal layers. Step flashing is a series of L-shaped pieces woven in with the roof courses as they climb the side of the chimney. Counter-flashing is a second layer let into a groove cut in the mortar joint and folded down over the step flashing, so water running down the masonry is thrown clear of the joint.
What is very often there instead is roof cement troweled across the junction. It looks like a repair for a season, then it shrinks and cracks. Any quote describing the fix as sealing or caulking the joint is describing a patch.
The reglet is what lasts
Counter-flashing must be cut into the mortar, not stuck to the surface. Surface-mounted metal held with sealant fails when the sealant does. A reglet cut, the metal wedged and the joint pointed lasts as long as the roof.
Slate changes everything
On slate, slates have to be carefully lifted and relaid rather than nailed through, and a broken slate becomes the next leak. Copper is the usual metal because it will outlast the roof. This is a genuinely skilled job and not every roofer does it well.
Coordinating with the roof
The best moment to redo chimney flashing is while the roof is open. The worst outcome is a roofer laying new covering over old flashing to save time, which is common and which guarantees a leak within a few years.
If a reroof is coming
Raise the chimney detail before the roofing contract is signed, and establish who is responsible for the flashing. Split responsibility is how it ends up done badly by whoever gets there last.
Telling flashing from crown
Flashing leaks appear with wind-driven rain and often stop in ordinary showers. Crown leaks appear whenever it rains. A hose test working upward in sections separates them before anyone starts work.
Chimney Flashing Repair — frequently asked questions
Can flashing just be sealed?
As a stopgap before proper work, yes. As the repair, no — sealant over a flashing joint is the most common failed chimney repair there is.
How long should flashing last?
Copper will outlast the roof. Aluminum gives decades. Sealant gives two or three years.
Roofer or chimney company?
Either, provided they cut a reglet and let the counter-flashing into the mortar. That is the question to ask rather than which trade they call themselves.
There is a stain but no active drip. Still a problem?
Yes. Staining means water has been arriving and framing behind has been wet. A stain that stopped growing usually means the water found another route.
Our roof is slate and very old. Is this still repairable?
Usually, but it needs someone who works slate. Walking a slate roof without staging breaks it, and a cheap flashing repair that cracks a dozen slates is not cheap.
Chimney Flashing Repair near you
We cover cities and towns across Massachusetts.