In the basement with framed partitions, see Insulating Stud Partitions previously mentioned as the process to set up insulation in partitions is similar. You can also use foam boards in lieu of insulation rolls or batts. Handles the basics of fibrous glass air duct insulation (ductboard / duct board), its https://freshbookmarking.com/story18694090/building-insulation-installation-for-dummies