Batt Insulation for Existing Vented Attics Description Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Blown Insulation for Existing Vented Attic Description Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.
Floor Above Unconditioned Basement or Vented Crawlspace Description Guide describing how to air seal and insulate the floor above an unconditioned basement or crawl space.