Crown rebuilding
Crumbling or badly cracked crowns are removed and recast that sheds water past the brick.
Cracked chimney crowns in Albrightsville can usually be sealed if caught early, or replaced if the concrete is crumbling, with a design that sheds water past the masonry. One call to (272) 233-1004 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. A cracked crown funnels water into the chimney, where freezing and thawing break the masonry apart from the top down.
It helps to separate the crown from the cap. 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.
Crowns often fail sooner than they should for a few common reasons. 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. That combination tends to crack within a few winters.
Many chimney crown repair calls in Albrightsville also turn up a need for chimney cap installation or chimney leak repair.
Dealing with this in Albrightsville, PA right now? Call (272) 233-1004 to talk to a local chimney sweep.
Call nowHere is how a chimney technician typically handles a crown repair.
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.
Loose concrete, moss and debris are cleared and the surface is cleaned and dried. Repairs only hold on a clean, sound, dry surface.
Small cracks are sealed with a flexible coating made for chimney crowns, which bridges cracks and resists water. It is the least invasive fix when the crown is still intact.
If the crown is crumbling, thin or cracked through, it is removed and a new one is formed and cast. A proper replacement slopes away from the flue and extends past the brick with a drip edge underneath.
The crown is separated from the flue tile by an expansion joint sealed with flexible material. Without it, the hot flue tile will crack a new crown just like the old one.
With the crown done, a cap with a mesh screen is added to keep rain and animals out of the flue. It is a good moment to repoint the top courses if needed.
Crumbling or badly cracked crowns are removed and recast that sheds water past the brick.
The flue tile is separated from the crown to prevent the most common type of crown crack.
Minor cracking is filled and coated with an elastomeric sealer to extend the life of the crown.
Damage to the top courses from a leaking crown is fixed in the same job before the crown goes on.
An overhang with a drip edge is formed into the crown which keeps runoff from soaking the masonry.
When a crown has deep cracks, loose chunks or no overhang at all, replacing it is more reliable than sealing it. Replacement starts with removing the old crown and inspecting the masonry underneath. Some crowns are cast in place on the chimney, and others use a precast crown set on a bed of mortar, both with an overhang and a gap around the flue.
Crown work in Albrightsville depends on the season. Concrete needs to cure without freezing, so most crown replacements are done from spring into fall. If a crown fails in winter, a temporary seal or tarp can limit water damage until it can be replaced. It is worth asking how the new crown will handle water runoff and flue tile expansion.
Chimney crowns in Albrightsville take the full force of the weather year round. From Albrightsville out to neighboring communities such as Indian Mountain Lake, Sun Valley, Sierra View and Emerald Lakes, many original crowns are thin, flush with the brick and locked tight against the flue tile, which is a recipe for cracking, so sealing cracks early or replacing a poorly built crown protects the rest of the chimney.
Need chimney crown repair around Albrightsville? Call (272) 233-1004 for an Albrightsville chimney sweep who serves the towns around it too.
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: 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 Albrightsville is usually booked in the fall, before the first cold night.
Small chimney problems caught early usually stay small repairs.
Local sweeps see the same chimney types and weather wear across Albrightsville and nearby towns.
Ask the sweep about the cause, the options and the estimate before work starts.
More questions? Call (272) 233-1004
Putting a sturdy cap on top of the chimney to keep out rain, animals, leaves and stray sparks.
Learn moreStopping chimney leaks at the source, before the water rots framing or ruins the flue.
Learn moreFixing the brick, stone and mortar that hold a chimney together, with materials matched to the original masonry.
Learn moreProtecting chimney masonry from rain with a penetrating repellent, to slow freeze-thaw damage and spalling.
Learn moreLooking for something else?
See all chimney servicesCall (272) 233-1004 to talk to a chimney sweep serving Albrightsville, PA.
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