central - east central Minnesota - | amfarmer83 - 5/6/2021 19:44 Father In Law built a new 50x100 shop with. Shop is poured concrete floor , 4 block high, 2x6 stud wall framed, and insulated. Concrete floor has been sealed and contractor says plastic was laid under concrete. So why the condensation problems? As others have stated, it's the water moving out of the concrete - It will be a slow process, as you stated the concrete was sealed, so it takes longer to migrate out. As others have suggested, dehumidifier, air circulation and heat . . . . |