Thread premise began with the homeowner insulating the interior door. Assuming that's done properly, the door should not leak humid air into the (likely uninsu

Thread premise began with the homeowner insulating the interior door. Assuming that's done properly, the door should not leak humid air into the (likely uninsulated) exterior wall. If anything, it's the currently uninsulated cooler doors that would be of concern. But, at least for the real life constructions I've seen, this has not been an issue.