What You Need To Know About Chimney Crowns

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A fireplace is often the centerpiece of a living room. For those that use the fireplace regularly, it is essential that it is in working order to ensure the safety of your home. One part of the chimney that may need some attention at some point is the crown. This is what you need to know about what the piece does and how to seal it:

What is a Chimney Crown?

The chimney crown plays a very important role in how your chimney operates. It is a concrete or mortar slab that rests on top of the chimney's stack, and it is designed to prevent water from getting into the chimney from the gap found between the flue and the exterior bricks.

Over time, cracks can form on the chimney crown due to the changing of the seasons. If you do not treat these cracks, the crown will eventually crack and deteriorate. You'll then have to deal with more damage as water gets inside your chimney and your home.

Can a Chimney Crown Be Repaired?

You'll be glad to know that a chimney crown is easy to repair if the damage is found. That is why it is so important to get regular inspections of your chimney to catch these problems during the early signs of damage. Plan to have your chimney inspected every year if you regularly use your fireplace.

How is a Chimney Crown Repaired?

It only takes a few hours to repair a chimney crown and can be done with some very basic tools. Thankfully, you can hire a professional to do the repair for you.

The first step is waiting for a day to perform the repairs where there will be no rain in the forecast. Dirt is scrubbed off the crown using a nylon brush since the surface must be clean for the sealant to stick to the crown. A canvas should be placed around your chimney to protect the surrounding shingles.

Tape is used to mask off the chimney and make the sealant look clean, much like how edges are taped off when painting to create clean lines. The sealant is then applied using a paint brush to completely cover the crown. An additional coat of sealant will be applied once the first one dries. The tape is then removed, and you will have a sealed chimney crown.

Reach out to a local chimney inspections company if you have any concerns about your home's chimney.


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