Huron County
Chimney Service in the Thumb
Huron County forms the tip of Michigan’s Thumb, surrounded on three sides by Saginaw Bay and Lake Huron, with Bad Axe as the county seat and Port Austin at the point. It is farmland and shoreline, and its open terrain is the reason the county carries so much wind generation.
Consistent wind is the defining local condition. A chimney here is not dealing with occasional storms but with steady load, and steady load finds every weak joint and every loose top course eventually.
Wind-Driven Rain on Thumb Chimneys
Sustained wind drives rain horizontally into masonry rather than letting it run off vertically, which pushes water into joints from the side where the mortar profile offers least resistance. It is why chimneys in this county show mortar erosion on the windward face while the sheltered face stays sound.
Water that gets in that way also gets behind the flashing, and shoreline properties around Port Austin, Caseville and Harbor Beach see this more than the inland farm country does. Checking flashing and the windward joints together is the useful approach here.