Isolating slab from interior basement footings

Hello,My ranch home in CZ5/6 with a walkout basement is planned to have multiple interior basement footings to handle load bearing walls. I desire to place 3″ of foam below… Hello,My ranch home in CZ5/6 with a walkout basement is planned to have multiple interior basement footings to handle load bearing walls. I desire to place 3″ of foam below…Read MoreGreenBuildingAdvisor