BASC Search | Building America Solution Center

Wrong – Air barrier is not air sealed

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Right – Air barrier is air sealed

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Air Sealing Attached Garage

Guide

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

Air Sealing Sill Plates

Guide

Guide describing how to air-seal sill plates in single-family homes and multifamily buildings.

Wrong – Air barrier not sealed

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Right – Air barrier sealed

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Air Sealing Multifamily Party Walls

Guide

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

Air Sealing Drywall to Top Plate

Guide

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

Air Sealed, Insulated Basements

Guide

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.

Air Sealing Duct and Flue Shafts

Guide

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

Right – Vent and air barrier sealed

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Wrong – Electrical box not air sealed

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Air Sealing Bathroom and Kitchen Exhaust Fans

Guide

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

Air Sealing Modular Home Marriage Joints

Guide

Guide describing how to air-seal modular home marriage joints.

Right – Wiring penetrations properly air sealed

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Air seal the common wall between units in a multifamily structure to minimize air leakage.

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Wrong – This seam along a common wall is not air sealed.

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Right – This seam along a common wall is air sealed.

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Insulating and Air Sealing Existing Floor Overhangs (Cantilevers)

Guide

Guide describing how to insulate a floor overhang (or cantilever) on an existing home by adding insulation and an air barrier to air seal the floor joist bays under the cantilever.