If you have a chimney, you probably at one point or another had an instance where there was an animal stuck in there. It happens. The CSIA emphases chimney caps as a way to help prevent animals getting in your chimney.
Chimney Safety Institute of America emphasizes the need for chimney caps, where appropriate. Why? It’s all about animal intrusion. The flue is an inviting, cozy environment that may be appealing because it offers refuge, and dry lodging, to the critter. Some crawl in, and some fly in.Read More Here