Tuesday, May 18, 2010

Chimney Cap (Answer)

Dear Amelia,

Chimney caps are protective coverings for chimneys that are usually made of aluminum, galvanized or stainless steel, or copper. Most have a mesh screening that serves as a spark arrestor and barrier against animals. They also prevent rain from entering the flue of the chimney.

All chimneys, even unused ones need a cap to keep out rain. The rain will soak into the masonry and bring moisture into your house.

Since this chimney is not in use, you can either use a chimney cap, or block the flue. A two inch masonry block can be caulked or cemented on the top of the flue to seal it completely off. This a more permanent fix.


Thanks for your question.

Please send questions to agarrett54@hotmail.com Please put "Hey Al" in the subject box.

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