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Chimney crown vs. chimney cap: what each one does

Chimney crowns and caps serve different purposes but both are vital for protecting your chimney from moisture and debris.

What is a Chimney Crown?

A chimney crown is the topmost surface of a chimney, sealing the top around the flue opening. It’s constructed from concrete or masonry to protect the chimney structure.

The crown plays a key role in preventing water from seeping into the chimney walls, which can lead to cracking and deterioration over time.

What is a Chimney Cap?

Chimney caps are metal coverings placed over the flue, often featuring mesh siding. They prevent rain, debris, and critters from entering the chimney.

Beyond just protection, caps help improve air flow and prevent downdrafts, ensuring your fireplace functions correctly when in use.

Maintaining Chimney Crowns and Caps

Regular maintenance of both the crown and cap is essential to ensure they function properly. Check for any signs of wear or damage, and repair as needed.

A well-maintained crown and cap extend the life of your chimney and help prevent costly repairs down the line.

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