A heavy wire mesh cap effectively excludes raccoons from chimneys. However, do not install the cap while raccoons are occupying the chimney, as there may be young in it. Wait until the nest is abandoned before thoroughly cleaning out nest material and installing the flue cap. Other methods to discourage or frighten raccoons include the use of noise makers lights radios blood meal ammonia moth balls. Most work for only a short period of time.
Raccoons grow accustomed to their presence, and the odor of the repellent diminishes over time.
In the case of an especially troublesome raccoon, the use of a live or cage trap and subsequent re-location of the animal may be the only solution. All rights reserved.