COPPER CHIMNEY CAPS PROTECT
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European Copper Chimney Flue Rain Caps

Chimney caps keep rain out of the chimney flue and protect from mold and mildew. One inch of water equates to approximately one gallon down a 13x18 chimney flue. Rain water that sets in a chimney flue can create a health issue. Rain water inside the flue of a masonry chimney can "wick" into any crack and expand when it freezes or in a metal flue, rust out the liners. Rain water is an unwelcome guest anywhere in a home, and chimneys are no exception.