Guides A-Z

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

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

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