Roofs, Attics & Ceilings -

Air Sealing/Insulation

Guide describing ways to air-seal an attached garage in new and existing homes.

Guide describing how to air-seal bathroom and kitchen exhaust fans.

Guide describing ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity.

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

Guide describing how to air-seal common walls between dwelling units in multifamily housing.

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

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

Guide describing continuous rigid insulation installation procedures to reduce thermal bridging and help provide thermal protection.

Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.

Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.

Guide outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.