Roofs, Attics & Ceilings -

Air Sealing/Insulation

Guide describing how to air-seal attic access panels, doors, and stairs to provide a continuous air barrier at the ceiling.

Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.

Guide describing how to insulate and air-seal attic knee walls and floor joist cavities under knee walls.

Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.

Guide describing methods for insulating an unvented attic along the roof line.