Making Your Chimney Cap Concrete Last for Decades
That thick layer of chimney cap concrete sitting on top of your flue is basically your fireplace's first line of defense against the elements. If you've ever climbed up a ladder to clean your gutters and noticed some crumbling grey stuff at the very top of your chimney, you're looking at the crown—often called a concrete cap. It doesn't get a lot of glory, but without it, your entire chimney would pretty much start falling apart from the inside out within a few seasons. ...