Roofs, Attics & Ceilings -

Air Sealing/Insulation

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

Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.

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

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.