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Guide describing compartmentalization in multifamily buildings - the separation of dwelling units from each other and from common areas in terms of air flow.

Guide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.

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

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

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 electrical wiring throughout a home.

Guide describing how to air-seal around light tubes.

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

Guide describing how to air-seal around plumbing and piping penetrations through walls, ceilings, and floors.

Guide describing how to air-seal around recessed light fixtures below unconditioned space.

Guide describing how to correctly seal structural insulated panel (SIP) seams.

Information guide providing links to guides describing specific ways to air-seal, insulate, and ventilate attics and roofs to minimize heat gain in new and existing homes.

Information guide describing proper attic air-sealing, insulation, and ventilation to combat ice dam formation on roofs in cold climate zones.

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 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 describing how to air seal and insulate a non-ICAT recessed "can" light from an accessible attic in an existing home.

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

Guide describing how to apply spray foam insulation to the floor of the attic in existing homes.

This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.

Roofs & Attics

Air Sealing and Compartmentalization in Multifamily Buildings

Air Sealing and Insulating Ceilings in Vented Attics

Air Sealing Attached Garage

Air Sealing Attic Access Panels/Doors/Stairs

Air Sealing Bathroom and Kitchen Exhaust Fans

Air Sealing Drywall to Top Plate

Air Sealing Duct and Flue Shafts

Air Sealing Electrical Wiring

Air Sealing Light Tubes

Air Sealing Multifamily Party Walls

Air Sealing Plumbing and Piping

Air Sealing Recessed Light Fixtures Below Unconditioned Space

Air Sealing Structural Insulated Panel (SIP) Seams

Air Sealing, Insulating, and Venting Attics and Roofs to Reduce Heat Gain

Attic Air Sealing, Insulating, and Ventilating for Ice Dam Prevention

Attic Eave Minimum Insulation

Attic Knee Walls

Dropped Ceiling/Soffit Below Unconditioned Attic

Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces

Insulating and Air Sealing Existing Non-ICAT Recessed Lights

Roof/Attic to Exterior Wall Air Control Upgrade

Spray Foam Insulation Applied to Existing Attic Floor

Walls Adjoining Porch Roof

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Roofs & Attics