Air Sealing, Insulating, and Venting Attics and Roofs to Reduce Heat Gain Description Information guide providing links to guides describing specific ways to air-seal, insulate, and ventilate attics and roofs to minimize heat gain in new and existing homes.
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.
Dropped Ceiling/Soffit Below Unconditioned Attic Description Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.
Ducts Buried in Attic Insulation Description Guide describing buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.
Roof/Attic to Exterior Wall Air Control Upgrade Description Guide outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.
Spray Foam Insulation Applied to Existing Attic Floor Description Guide describing how to apply spray foam insulation to ceilings in existing homes.
Water Managed Roof – Re-roofing and Adding Insulation Over a Sloped Roof Description Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.