Slab w/o vapor barrier, renovating garage into living space

I have a poorly-built garage + shop building on the property that I’m trying to turn into a comfortable home gym with bathroom, office space above, with a wood shop… I have a poorly-built garage + shop building on the property that I’m trying to turn into a comfortable home gym with bathroom, office space above, with a wood shop…Read MoreGreenBuildingAdvisor