Crestwood Flue Chimney Care & Maintenance Book a visit

Chimney crown vs. chimney cap: what each one does

Understanding the difference between a chimney crown and a chimney cap can help you maintain your chimney's health.

2 min read

What is a Chimney Crown?

The chimney crown is a slab, usually made of concrete, at the top of the chimney. It covers and seals the top of the chimney to prevent water from entering and damaging masonry walls and the flue.

A well-constructed crown should have a slight slope to direct water away from the chimney edges. Cracks or damage to the crown can lead to leaks and other costly structural problems, making regular inspections crucial.

What is a Chimney Cap?

A chimney cap is a protective covering that fits over the opening of the flue. Made of metal, it prevents rain, animals, and debris from entering the chimney, which can cause blockages and unpleasant odors.

Chimney caps can also help reduce downdrafts that bring smoke back into the home. They are essential for maintaining proper ventilation and protecting the chimney's interior from the elements.

Why Both are Important

Both the crown and cap are critical for preventing water damage and other issues that can compromise your chimney's function. While the crown protects the chimney structure, the cap ensures the flue remains unobstructed and in good working condition.

Regular maintenance of both components can extend the life of your chimney, reduce repair costs, and improve safety. A professional inspection can help identify any issues and recommend repairs or replacements if necessary.

Got a chimney question?

Tell us the town and what you are seeing. We call back to set a time.

CallTextBook