As solid as a brick chimney most often seems, chimney crowns can actually develop problems that can cause your chimney to leak and even fall apart. You should know what some of these problems are.
Common Chimney Crown Problems
Your chimney can develop cracks that allow water to leak into your chimney. During winter months this water can freeze, expand, and can break apart your chimney's bricks and the mortar that holds them together. A second problem can be a drip groove or a flashing that has been incorrectly installed and fails to keeps water from seeping down into the chimney.