Various factors go into maintaining the overall health of your fireplace. We know about hazards like residue and creosote, but there is also another nuisance. Animal pests that sometimes will find a way into a chimney. Birds, squirrels, bats, even raccoons will often make nests in the chimney. One of the most common reasons animals get into your chimney is due to not having a chimney cap or one that is damaged. The absolute best way to protect your chimney, fireplace and home is to have a chimney cap installed with attached wire netting.