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

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

Guide describing the air-sealing of rim joists on walls connecting homes and attached garages.

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

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

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

Guide describing insulation techniques for skylight shaft walls.

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and HVAC equipment.