Crawl Area Insulation Use An Insulation That Resists Harm From Water (not Fiberglass Or Cellulose) If it’s wooden over a crawl area, there won't be vapor barriers put in in the crawl area or on prime of the subfloor. Before a wooden floor is put in, the wood should http://jaredgeehw.blog2learn.com/42928513/quick-products-for-subfloor-ventilation-sydney