Cracked chimney caps can cause big problems By adminJuly 11, 2017October 15, 2017Uncategorized Cracked Chimney Caps Here’s a cracked chimney cap that we found during a home inspection. The masonry rain cap on top of the chimney had broken and started to deteriorate. This is the beginning stage that if not repaired can cause the chimney bricks to become loose and cost much more to repair. The clients were glad we found it for them.