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Image:

Air seal the floor above an unconditioned basement or crawlspace and make sure floor insulation is in full contact with the underside of the subfloor.

Air seal the floor above an unconditioned basement or crawlspace and make sure floor insulation is in full contact with the underside of the subfloor.
Image:

Air seal the top, bottom, and sides of a cantilevered floor cavity and ensure that insulation is in full contact with all sides without voids.

Air seal the top, bottom, and sides of a cantilevered floor cavity and ensure that insulation is in full contact with all sides without voids.
CAD File:

Air sealing at corner vertical bathtub chase

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Air sealing at corner vertical bathtub chase
CAD File:

Air sealing at skylight shaft

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Air sealing at skylight shaft
CAD File:

Air sealing behind shower with cavity rigid insulation

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Air sealing behind shower with cavity rigid insulation
CAD File:

Air sealing behind shower with thin-profile sheathing

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Air sealing behind shower with thin-profile sheathing
CAD File:

Air sealing behind tub with cavity rigid insulation

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Air sealing behind tub with cavity rigid insulation
CAD File:

Air sealing behind tub with thin-profile sheathing - section

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Air sealing behind tub with thin-profile sheathing - section
Presentation:

Air Sealing Best Practices and Code Compliance for Multifamily Area Separation Walls

Air Sealing Best Practices and Code Compliance for Multifamily Area Separation Walls
CAD File:

Air sealing wall between a porch roof and attic with 1 inch of rigid insulation

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Air sealing wall between a porch roof and attic with 1 inch of rigid insulation
Image:

Air-seal and insulate the rim and band joists of walls separating an attached garage from the home’s conditioned space.

Air-seal and insulate the rim and band joists of walls separating an attached garage from the home’s conditioned space.
Image:

Air-seal the floor above a garage when there is living space above the garage and make sure floor insulation is in full contact with the underside of the subfloor.

Air-seal the floor above a garage when there is living space above the garage and make sure floor insulation is in full contact with the underside of the subfloor.
Image:

Airflow within drop-in ceiling assemblies is generally not a concern due to the limited vertical height. However, airflow within air gaps in walls is a concern due to the much larger vertical height.

Airflow within drop-in ceiling assemblies is generally not a concern due to the limited vertical height. However, airflow within air gaps in walls is a concern due to the much larger vertical height.
Image:

Annual Wildfires and Acres Burned, including Wildland Fires on Federal and Nonfederal lands (1991-2020)

Annual Wildfires and Acres Burned, including Wildland Fires on Federal and Nonfederal lands (1991-2020)
Presentation:

Are the Walls Closing In?

Are the Walls Closing In?
Image:

Attic radiant barriers

Attic radiant barriers
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Baffles provide an air space over the insulation to guide ventilation air from the soffit vents up along the underside of the roof deck

Baffles provide an air space over the insulation to guide ventilation air from the soffit vents up along the underside of the roof deck
Image:

Batt insulation is not an effective air barrier

Batt insulation is not an effective air barrier
Video:

BCD500 (Segment 1 of 3) Code Requirements for Fire and Sound

Case Study:

Builders Challenge Technology Information Packages - Cold Climate: Chicago

Case Study:

Building America Case Study Technology Solutions for Existing Homes: Bedford Farmhouse High Performance Retrofit Prototype

Case Study:

Building America Efficient Solutions for New Homes: Case Study: Concord Cape Prototype

Case Study:

Building America Existing Home Case Study: Insulated Siding Retrofit in a Cold Climate, New Paltz, New York

Presentation:

Building Code Training - Residential Thermal Envelope - Air Sealing