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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.
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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
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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.
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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.
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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.
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An anchor side plate is used to connect the concrete foundation to the sill plate from the exterior as part of a seismic retrofit when the sill plate is not accessible from the interior of the home

An anchor side plate is used to connect the concrete foundation to the sill plate from the exterior as part of a seismic retrofit when the sill plate is not accessible from the interior of the home
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An earthquake-actuated automatic gas shutoff valve is attached to the natural gas pipeline between the meter and the house, downstream of the meter, to stop the flow of gas into the house if an earthquake occurs.

An earthquake-actuated automatic gas shutoff valve is attached to the natural gas pipeline between the meter and the house, downstream of the meter, to stop the flow of gas into the house if an earthquake occurs.
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An example of a vertical California Seismic Valve

An example of a vertical California Seismic Valve
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An indoor water heater should be secured to the wall’s studs to prevent it from moving or tipping over in the event of an earthquake

An indoor water heater should be secured to the wall’s studs to prevent it from moving or tipping over in the event of an earthquake
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An Inset Shear Panel constructed with 2x4 dimensional lumber installed into a 2x6 stud bay

An Inset Shear Panel constructed with 2x4 dimensional lumber installed into a 2x6 stud bay
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Anchor bolts should be at least 1/2-inch diameter and should be embedded at least 7 inches into the foundation, spaced not more than 6 feet apart, and between 3.5 and 12 inches from each end of the sill plates.

Anchor bolts should be at least 1/2-inch diameter and should be embedded at least 7 inches into the foundation, spaced not more than 6 feet apart, and between 3.5 and 12 inches from each end of the sill plates.
Presentation:

Are the Walls Closing In?

Are the Walls Closing In?
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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
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Basement foundation insulated on interior with rigid foam.

Basement foundation insulated on interior with rigid foam.
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Batt insulation is not an effective air barrier

Batt insulation is not an effective air barrier