Air Sealing and Insulating Ceilings in Vented Attics Description Guide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.
Attic Eave Minimum Insulation Description Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.
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.