If employing rigid foam insulation boards, Slash them to dimensions and fit them tightly among the floor joists. Protected them set up using building adhesive or mechanical fasteners. In case your air ducts operate by unconditioned spots – like attics, basements, or crawl spaces – insulating them will help manage https://attic-nsulation39630.articlesblogger.com/56231688/not-known-facts-about-attic-nsulation