Crown rebuilding
A failed crown is replaced with a properly built concrete crown built to last through many winters.
Masonry Repair
Chimney Crown Repair Somerdale, NJ
A chimney sweep in Somerdale can seal hairline cracks in a chimney crown or rebuild a crown that is breaking apart, before water and frost turn small cracks into a rebuild. One call to (856) 344-1158 reaches a nearby chimney crown pro.
At the very top of a masonry chimney sits the crown, a sloped slab that seals the brick around the flue and sheds rain. It takes more weather than any other part of the chimney, so it is often the first thing to crack. Once it cracks, water runs straight into the brick and mortar below, and every freeze widens the crack.
A crown is not the same as a chimney cap, though the words are often mixed up. The cap is a metal hood over the flue that keeps out rain and animals, and the crown is the concrete it is mounted on. One cannot stand in for the other.
A lot of crown failures trace back to the original construction. Builders and roofers often form the crown from mortar mix spread thin and flush with the brick, with no overhang and no gap around the flue tile. Mortar is not meant for that job, and a flue tile that heats and expands will crack a crown that is cast tight against it.
Many chimney crown repair calls in Somerdale also turn up a need for chimney cap installation or chimney leak repair.
Looking for Somerdale chimney crown repair? Call (856) 344-1158 and describe the problem to a chimney sweep who works in Somerdale.
Call nowThe process
What happens during a crown repair
Here is how a chimney technician typically handles a crown repair.
Check the top
From the roof, the crown is examined for cracks, crumbling, poor slope and missing overhang. The cap and the upper masonry are part of the same check.
Remove loose material
The crown is scrubbed of dirt, growth and loose pieces so repair material can grip. Good prep decides how long the repair lasts.
Apply crown sealer
For minor cracking, a brushable crown repair coating seals the cracks and stretches with the concrete as it moves. It works well on a structurally sound crown with surface cracks.
Replace the crown
Crowns that are breaking apart are replaced rather than patched. The new crown is sloped, overhangs the brick with a drip edge and is thick enough to resist cracking.
Flue tile joint
A bond break is left between the crown and the flue tile so the tile can expand without cracking the crown. It is one of the most overlooked parts of a crown.
Cap the flue
A cap goes back on once the new crown is ready. Damaged upper brick and joints are often handled in the same visit.
What is included
What crown repair covers
Drip edges
New crowns are built to overhang the brick with a groove underneath which keeps runoff from soaking the masonry.
Bond breaks
The joint between the crown and flue tile is opened and sealed with flexible material which keeps the new crown from cracking early.
Top course repair
Damage to the top courses from a leaking crown is fixed in the same job to stop damage from spreading downward.
Crown sealer
Small cracks in a sound crown are sealed that keeps water out and moves with the concrete.
Related service
Chimney Crown Replacement Somerdale, NJ
When a crown has deep cracks, loose chunks or no overhang at all, replacing it is more reliable than sealing it. First the failed crown comes off, exposing the top of the brick and the flue tile. Forms are set to create the overhang, the flue tile is wrapped to allow movement, and concrete is placed and sloped away from the flue.
For Somerdale homeowners, timing matters with crown replacement. Because new concrete is vulnerable to frost while it cures, crown work is easier outside the coldest months. If a crown fails in winter, a temporary seal or tarp can limit water damage until it can be replaced. Make sure the plan includes a drip edge and a flexible joint around the flue, not just new concrete.
Local help
Chimney Crown Repair Near Me
Chimney crowns in Somerdale take the full force of the weather year round. From Somerdale out to neighboring communities such as Magnolia, Stratford, Echelon and Lawnside, many original crowns are thin, flush with the brick and locked tight against the flue tile, which is a recipe for cracking, and a properly built crown is one of the best investments in a chimney.
For chimney crown repair in Somerdale, NJ or nearby towns like Magnolia, Stratford, Echelon and Lawnside, call (856) 344-1158 to reach a chimney sweep who covers your street.
Chimneys in this climate
Winters here are long and cold, and the heating season usually runs from October well into April. Masonry takes the worst of it from the freeze and thaw cycle: water soaks into brick, mortar joints and the crown on a mild day, freezes overnight and expands, and each winter widens the cracks a little more. Wind driven rain from coastal storms finds any gap in flashing, too. That is why chimney cleaning in Somerdale is usually booked in the fall, before the first cold night.
Why call
Why not wait
Safer fires
A chimney problem fixed early rarely spreads to the masonry, the liner or the house.
Familiar with local homes
Local sweeps see the same chimney types and weather wear across Somerdale and nearby towns.
Clear next steps
Ask the sweep about the cause, the options and the estimate before work starts.
Chimney Crown Repair FAQ
How long does a chimney crown last?
How long a crown lasts depends mostly on how it was built. Poorly built crowns crack early and need attention more often. Yearly inspections, as NFPA 211 recommends, are the best way to keep an eye on it.
Is a chimney crown the same as a chimney cap?
Think of the crown as the roof of the chimney and the cap as the lid on the flue. They protect different parts of the chimney. A damaged crown needs its own repair.
Why did my chimney crown crack?
Weather, shortcuts in the original build and heat from the flue are behind most crown cracks. A crown cast tight against the flue tile will crack when the tile heats and expands. Once a crack forms, water gets in, freezes and widens it every winter.
Can a cracked chimney crown be repaired?
How far the cracking goes decides it. Minor surface cracks are usually sealed with an elastomeric crown sealer. A crown that is breaking apart or was built too thin usually needs to be replaced.
Is a cracked chimney crown a big deal?
Crown cracks start small but cause damage well beyond the crown. Once water reaches the masonry, it leads to spalled brick, failing mortar, rusted dampers and damaged flue tiles. Fixing it now is far easier than repairing the masonry damage later.
More questions? Call (856) 344-1158
Related services
Chimney Cap Installation
Putting a sturdy cap on top of the chimney so water, birds and debris stay out of the flue.
Learn moreChimney Leak Repair
Stopping chimney leaks at the source, before the water rots framing or ruins the flue.
Learn moreChimney Masonry Repair
Brick and mortar repair for weathered or damaged chimneys, before freeze-thaw damage spreads.
Learn moreChimney Waterproofing
Treating chimney brick and mortar with a breathable water repellent, applied after repairs so the brick sheds water but can still dry out.
Learn more
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