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.
Ducts Buried in Attic Insulation Description This guides describes buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.
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.
Water Management of Existing Crawlspace Floor Description Guide providing information about treating bulk water drainage issues and moisture control measures in existing basements and crawl spaces.