Because the All Season Chimney Cover closes off your chimney completely, it can aid in keeping hazardous chemicals, biological agents, or atomic fallout from entering your home through the chimney in the event of an industrial accident, pandemic such as the bird flu, or a terrorist attack. Imagine the comfort of being able to seal off your chimney in the event of an emergency, but still be able to use it during a power outage.
The All Season Chimney Cover will seal out moisture when closed. This is important because water will mix with creosote and form an acid solution that will eat away the lining of the chimney. This will shorten the chimney's life and lead to costly repairs and possibly contribute to achimney fire or worse. In the event of a chimney fire, the cover can be closed completely to keep fresh air from outside from oxygenating the fire.
The All Season Chimney Cover keeps out unwanted insects and other pests, such as birds and raccoons that may find their way into your home.