Roofs, Attics & Ceilings -

Air Sealing/Insulation

Guide describing how to air-seal duct and flue shafts.

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.

Guide describing buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.

Guide describing wind washing and how to prevent it.