Chimney crown vs. chimney cap: what each one does
Learn the differences between chimney crowns and caps and their roles in protecting your chimney.
Understanding the Chimney Crown
The chimney crown is the top-most structure that covers and seals the chimney opening. It is typically made of concrete and is designed to protect the chimney structure from weather elements like rain, snow, and ice.
A well-constructed chimney crown slopes away from the center to direct water away from the chimney, preventing water from seeping into the bricks and mortar. Damage or cracks in the crown can lead to leaks and deterioration, necessitating regular inspections and maintenance.
The Role of a Chimney Cap
A chimney cap sits above the chimney crown and serves as an additional barrier against the elements. It is typically made of metal and includes a mesh screen to keep debris, rain, and animals out of the chimney.
By preventing rain and snow from entering the chimney, the cap helps reduce moisture-related damage. The screen also prevents birds and animals from nesting inside, which can cause blockages and odors.
Maintaining Your Chimney Crown and Cap
Regular maintenance of both the chimney crown and cap is crucial to keep your chimney functioning efficiently. Inspections can identify any cracks or corrosion that may require repairs.
Maintaining these components ensures that your chimney remains safe from water damage and animal intrusion. Replacing a damaged or missing cap promptly and sealing any crown cracks can prevent costly future repairs.
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