You might wonder why your chimney has a cap, isn’t cap another word for lid? And how is a lid helping your chimney ventilate? Read this article to answer these and other simple questions.

A chimney cap serves many functions. A decent chimney or stove will have its own protection against some of these things, but they all still leave a gaping hole into your home that allows anything from bats and mice to rain and wind to get through. Rather than having a flue guard too low in your chimney, it of course makes sense to have a cap on top.