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To install, position the chimney cap whereyou want it to be on the chimney crown and conform theflange to the chimney crown. Holding the chimney capfirmly in place, drill through the predrilled holes in the flangesand into the chimney crown with the 3/16" masonrybit.
Similarly, what is a flue cap?
A chimney cap is a covering for the top of yourchimney, and it usually includes wire mesh. There are,however, some problems which can occur because of a chimneytopper, particularly involving wire mesh. Pros. • A chimneycap prevents water from entering thechimney.
Consequently, do you need a chimney cap?
I decided that while you may not need achimney cap in place for functional purposes, a properlyinstalled chimney cap is a good idea. A chimney capcan prevent animals from entering your home, keep the moisture out,and protect the roof from burning embers starting a housefire.
Water penetration can be a problem with masonrychimney materials. Chimneys are constantly exposed tosevere weather, such as snow, heavy rain, or wind. Theseelements can cause the materials to deteriorate quickly andpresent the issue of cracks or moisture penetration.