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Chimney crown vs. chimney cap: what each one does

Understanding the difference between a chimney crown and a chimney cap can help protect your home from weather-related damage.

2 min read

What is a Chimney Crown?

The chimney crown is the top surface of the chimney, designed to protect the structure from rain and erosion. It's made of concrete and acts as a roof for the chimney.

A properly constructed crown will slope away from the flue to shed water and prevent it from seeping into the masonry.

Role of a Chimney Cap

A chimney cap is a metal fixture installed at the very top of the chimney. It functions like a hat, shielding the opening from rain, animals, and debris.

Caps also help prevent downdrafts by allowing smoke to escape while keeping the elements out.

Why Both Are Important

Both the crown and cap work together to protect the integrity of the chimney structure. Neglecting either can lead to expensive repairs.

Regular inspections ensure both elements are functioning properly, keeping moisture and unwanted intrusions at bay.

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