Should you allow air flow through a crawl space with a dirt floor?
...joists if left as is. So that was a good move to put down a poly vapour barrier on the ground, but the rest is a little suspect to me as it is to you. First though I would point you to this page in case you haven’t seen it yet, it discusses the issues with crawl spaces and how they are best insulated and kept dry.
Craw...