Drip edges
The crown extends past the chimney face which keeps runoff from soaking the masonry.
Masonry Repair
Chimney Crown Repair Folsom, PA
A chimney sweep in Folsom can seal hairline cracks in a chimney crown or rebuild a crown that is breaking apart, so rain stops soaking into the brick from above. One call to (484) 470-7034 reaches a nearby chimney crown pro.
The chimney crown is the slab of concrete or mortar on top of the chimney, around the flue tile, and its job is to keep water out of the masonry below. Sitting fully exposed at the highest point of the house, it takes a beating from rain, snow and sun. Once it cracks, water runs straight into the brick and mortar below, and every freeze widens the crack.
People often confuse the crown with the cap, but they are different parts. A cap is metal and covers the flue opening, while the crown is concrete and covers the rest of the chimney top. Both matter, but a cap does nothing for a cracked crown.
Many crowns crack early because of how they were built. 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.
If the problem goes deeper than it first looked, a Folsom chimney sweep may also recommend chimney cap installation or chimney leak repair.
Dealing with this in Folsom, PA right now? Call (484) 470-7034 to talk to a local chimney sweep.
Call nowThe process
How chimney crown repair works
Crown repair runs from a simple seal coat to a full rebuild, depending on the damage.
Inspect the crown
The crown is tapped and checked to see whether it is solid with surface cracks or breaking up. The flue tile, cap and upper brick are checked at the same time, since crown damage often spreads to them.
Prep the crown
Any crumbling material is chipped away and the surface is prepared. Repairs only hold on a clean, sound, dry surface.
Coat the crown
Small cracks are sealed with a flexible coating made for chimney crowns, which bridges cracks and resists water. This is a good option when the crown is solid and the cracks are caught early.
Rebuild if needed
A failing crown is chipped off and replaced with a properly built concrete crown. The new crown is sloped, overhangs the brick with a drip edge and is thick enough to resist cracking.
Leave room to move
The gap around the flue tile is filled with a flexible sealant rather than locked tight in concrete. That one detail prevents the most common crown cracks.
Protect the work
A chimney cap is installed or reset over the flue once the crown has cured. Any spalled brick at the top can be repaired at the same time.
What is included
Crown work a chimney sweep handles
Upper brick repair
The brick under the crown is repointed or replaced where needed to stop damage from spreading downward.
Crown replacement
Thin mortar crowns are replaced with a slope, overhang and drip edge.
Crack sealing
Hairline cracks are sealed with a flexible crown coating that keeps water out and moves with the concrete.
Expansion joints
The flue tile is separated from the crown so heat does not crack the crown.
Related service
Chimney Crown Replacement Folsom, PA
Chimney crown replacement is the right call when the crown is cracked all the way through, crumbling, missing pieces or was built too thin to last. The old crown is broken out down to the brick, and the top courses are checked and repaired if needed. A form is built around the top of the chimney, a bond break goes around the flue tile, and the new crown is cast with a slope, an overhang and a drip edge.
For Folsom homeowners, timing matters with crown replacement. Because new concrete is vulnerable to frost while it cures, crown work is easier outside the coldest months. In the meantime, a temporary cover can keep the worst of the water out. It is worth asking how the new crown will handle water runoff and flue tile expansion.
Local help
Chimney Crown Repair Near Me
In Folsom, a crown that looked fine in the fall can be cracked by spring. Across Folsom and nearby places including Ridley Park, Prospect Park, Swarthmore and Morton, the crowns that crack first are the ones with no overhang and no room for the flue tile to move, so sealing cracks early or replacing a poorly built crown protects the rest of the chimney.
Need chimney crown repair around Folsom? Call (484) 470-7034 for a Folsom chimney sweep who serves the towns around it too.
How the weather here affects chimneys around Folsom
Cold winters keep fireplaces, wood stoves and oil burners working for half the year or more. The hardest thing on brick here is not the cold itself but the constant swing above and below freezing: rain and melting snow soak into the crown and joints, then freeze and push them apart, and each winter widens the cracks a little more. Nor'easters drive rain sideways into flashing and mortar that looked fine in summer. Most homeowners in Folsom, PA schedule a sweep in early fall, and a repair check after a hard winter.
Why call
Why not wait
Less damage
A chimney problem fixed early rarely spreads to the masonry, the liner or the house.
Sweeps who know Folsom
Local sweeps see the same chimney types and weather wear across Folsom and nearby towns.
Clear next steps
Ask the sweep about the cause, the options and the estimate before work starts.
Chimney Crown Repair FAQ
Do I need a new crown if mine is cracked?
How far the cracking goes decides it. Minor surface cracks are usually sealed with an elastomeric crown sealer. If the crown is cracked through, crumbling or missing pieces, replacement is the better option.
Is a cracked chimney crown a big deal?
Small crown cracks deserve attention because they let water straight into the chimney. Water that gets through a crack soaks the brick and mortar, freezes and causes spalling, crumbling joints and leaks. Sealing a crack early is a small job, while ignoring it can lead to rebuilding the top of the chimney.
Is a chimney crown the same as a chimney cap?
A crown is masonry and seals the top of the chimney, while a cap is a metal hood with a screen that covers the flue itself. Each does a different job, so a good chimney needs both. 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. Thin mortar crowns with no room for flue tile movement tend to crack early. Each freeze after that makes the crack wider.
How long does a chimney crown last?
A properly built concrete crown with an overhang and expansion joint can last for decades. Poorly built crowns crack early and need attention more often. Having the crown checked each year lets you seal cracks before replacement is needed.
More questions? Call (484) 470-7034
Other services that may help
Chimney Cap Installation
Putting a sturdy cap on top of the chimney to keep out rain, animals, leaves and stray sparks.
Learn moreChimney Leak Repair
Stopping chimney leaks at the source, whether the drip shows up in the attic, the ceiling or the firebox.
Learn moreChimney Masonry Repair
Fixing the brick, stone and mortar that hold a chimney together, before freeze-thaw damage spreads.
Learn moreChimney Waterproofing
Protecting chimney masonry from rain with a penetrating repellent, to slow freeze-thaw damage and spalling.
Learn more
Looking for something else?
See all chimney servicesGet chimney crown repair help in Folsom
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