Fixing a sweating tongue and groove ceiling

Ive got a T n G ceiling that was insulated DIY style. Ive added rigid and batts, but I am thinking we need a vapor barrier. Whats the best way… Ive got a T n G ceiling that was insulated DIY style. Ive added rigid and batts, but I am thinking we need a vapor barrier. Whats the best way…Read MoreGreenBuildingAdvisor