Crawl space sealing – vapor barrier under or over wall insulation?

Hi, I’m working on creating a sealed, unvented crawl space and the information on this site has been very helpful. I’m in Zone 3, 100 year old house, brick foundation… Hi, I’m working on creating a sealed, unvented crawl space and the information on this site has been very helpful. I’m in Zone 3, 100 year old house, brick foundation…Read MoreGreenBuildingAdvisor