Vapor permeability: Flooring choice for slab-on-grade floor: Vinyl or wood?

Hi GBA Readers,I have a slab-on-grade new construction in Vermont (CZ 6A). Five months after pouring concrete, it is time laying floors.  My sub grade assembly from bottom to top is:… Hi GBA Readers,I have a slab-on-grade new construction in Vermont (CZ 6A). Five months after pouring concrete, it is time laying floors.  My sub grade assembly from bottom to top is:…Read MoreGreenBuildingAdvisor