Metal Chimney Crown

There are also decorative models such as copper caps which are more costly but require less maintenance.

Metal chimney crown. As crowns withstand a lot of abuse they need to be made out of a solid material. Generally made of metal they are installed just inside the chimney. The most common are metal which are available in aluminum copper and stainless steel. Typically copper chase covers are used in place of stainless steel for aeshtetic purposes.

If your chimney has multiple flues choose between a set of small caps or one large multi flue cover for a cleaner look. Then lay sheet metal or cement board across the metal supports to form a thin bond break between the chimney crown and the masonry walls. First without the barrier the cement will just run down the chimney structure filling the airspace between the flue and the masonry walls. Remove the squirrel.

The chimney crown is placed atop the masonry chimney as a form of protection against the weather. Follow the steps on how to waterproof a chimney. Unlike a chimney cap which is typically made of metal and merely covers the opening to the flue the chimney crown covers the entire top of the chimney. Often used to cover chimney chase surrounds or brick masonry crowns it fits over the top of the chimney like a shoe box cover fits the top of a shoe box.

This serves two purposes.