Yesterday, I asked a question about what to replace some mold-damaged drywall with, and some commenters correctly observed that the moisture problem itself should be addressed first. However, I am unsure how best to do so. As described in the other post, this is in a small, unheated room that connects an unheated garage with a heated mudroom. The mudroom sits above an insulated crawlspace, and the small room's floor is tile atop only a concrete slab (as far as I can tell). The moldy drywall w...
