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.