154 cities and towns covered
Chimney Crown Repair in Massachusetts
On most older Massachusetts chimneys the top is a thin mortar wash, not a crown. It cracked years ago, and it is where the water has been getting in ever since.
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 crown 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 Crown Repair
- Crack repair and flexible coating
- Full recasting with a drip edge
- Expansion joint at the flue tile
- Usually paired with a cap
- 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.
Why a wash fails and a crown does not
A mortar wash is mortar troweled over the top of the brick, roughly sloped and finishing flush with the outer face. It has no reinforcement, no expansion joint where it meets the flue tile, and no overhang. Clay tile and mortar expand at different rates, so it cracks around the tile within a decade — and with no overhang, water that gets through runs straight down the brick face rather than dripping clear.
A proper crown is cast, at least two inches thick at its thinnest, reinforced, sloped away from the flue, with a bond break at the tile and a projection past the brick with a drip edge underneath.
When a coating suffices
Hairline cracks in a crown that is otherwise correctly shaped can be bridged with a flexible crown coating. It accommodates movement in a way rigid mortar cannot, it is inexpensive, and it buys years.
When it must be recast
Cracks wide enough for a coin, missing sections, a wash with no overhang at all, or break-up around the tile. Coating over that seals water in.
The crown is rarely the only work
By the time a crown is visibly cracked it has been admitting water for years, and that water has been somewhere. Recasting without checking the courses beneath is how a chimney gets repaired twice.
Do the cap at the same time
Same access, same visit, and an uncapped flue undermines new crown work anyway. Fitting both together costs far less than two trips up a staging tower.
Slate roofs complicate access
Getting to a crown on a steep slate roof means staging rather than a ladder, because walking slate breaks it. That is a genuine cost difference and it is why quotes on similar chimneys can differ so much.
Chimney Crown Repair — frequently asked questions
How do I know the crown is cracked?
Rarely from the ground. It needs a look from the roof or a drone. Indirect signs are water inside near the chimney, staining down the brick, or efflorescence on the exterior.
Can I seal it myself?
A flexible coating on a sound crown is within reach of a careful homeowner comfortable at height. Cast repairs are not, and on a slate roof the access risk alone argues against it.
How long does a cast crown last?
Decades where it is correctly shaped and thick enough. Early failures are almost always crowns cast too thin or with no overhang.
Is the crown the same as the cap?
No. The crown is the masonry slab covering the top of the chimney around the flue; the cap is the metal cover with mesh over the flue opening itself. Many chimneys need both and plenty have neither.
Water only comes in during storms. Is it the crown?
Probably not — that points at the flashing. A cracked crown admits water in ordinary rain too.
Chimney Crown Repair near you
We cover cities and towns across Massachusetts.