Concrete vs. Concrete-Free Slab Cost Comparison?

Hi, I’m working with an architect and builder on a one-level ~1800 sq’ PGH design for a site in Southern NH, climate zone 5A.  We chose PGH because the budget… Hi, I’m working with an architect and builder on a one-level ~1800 sq’ PGH design for a site in Southern NH, climate zone 5A.  We chose PGH because the budget…Read MoreGreenBuildingAdvisor