attic condensation 3

https://wiki-site.win/index.php/How_to_Tell_Attic_Condensation_From_a_Real_Roof_Leak

I noticed water droplets forming on the attic ceiling joists last winter, and a musty smell started creeping into the rooms below. The real problem wasn't a leaky roof but that the warm, moist air from the bathrooms and kitchen was rising up into the uninsulated attic space. When that humid air hit the cold roof sheathing, it condensed like a glass of iced tea on a hot day, and over time the trapped moisture started rotting the wooden rafters and soaking the fiberglass insulation. I had to inst…