What is the best way to insulate a crawl space?
...floor joists on one 1/2 of the cottage has R12 between the Joists, the other 1/2 looks like it has ceiling tiles between the joists for a bit of insulation. The question is, should I remove the insulation between the joists and install rigid insulation over the dirt floor? Or insulate between all the Joists? Or would j...