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The original corner seam is air-sealed with caulk, then rigid foam is installed on the existing garage ceiling and walls, and finally covered with drywall.

The original corner seam is air-sealed with caulk, then rigid foam is installed on the existing garage ceiling and walls, and finally covered with drywall.
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The party wall interfaces of this multifamily building are sealed with air-sealing tape

The party wall interfaces of this multifamily building are sealed with air-sealing tape
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The polyethylene ceiling vapor barrier is sealed to form an air barrier around the exhaust fan in this very cold climate location (≥ CZ 6).

The polyethylene ceiling vapor barrier is sealed to form an air barrier around the exhaust fan in this very cold climate location (≥ CZ 6).
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The purple streaks in this IR camera image indicate air leakage along the top plates, which is allowing cold air to be pulled from the attic into the wall cavities of this interior wall.

The purple streaks in this IR camera image indicate air leakage along the top plates, which is allowing cold air to be pulled from the attic into the wall cavities of this interior wall.
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The rigid air barrier behind the tub is air sealed where the sheet good meets adjoining walls, on any seams in the air barrier sheathing, and between the drywall and framing on both sides of the tub

The rigid air barrier behind the tub is air sealed where the sheet good meets adjoining walls, on any seams in the air barrier sheathing, and between the drywall and framing on both sides of the tub
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The rough opening around this window is air sealed and insulated with nonexpanding spray foam.

The rough opening around this window is air sealed and insulated with nonexpanding spray foam.
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The seam between this duct register and the wood flooring is sealed with caulk to prevent air leakage into the house from the crawlspace below.

The seam between this duct register and the wood flooring is sealed with caulk to prevent air leakage into the house from the crawlspace below.
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The seams in the plywood are taped seams in the cathedral ceiling serve as part of the advanced home sealing strategy.

The seams in the plywood are taped seams in the cathedral ceiling serve as part of the advanced home sealing strategy.
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The seams in this HVAC duct are sealed with mastic.

The seams in this HVAC duct are sealed with mastic.
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The stud cavities in this balloon-framed wall do not have blocking where the attic floor abuts it; this allows air to flow from inside the home to the attic above.

The stud cavities in this balloon-framed wall do not have blocking where the attic floor abuts it; this allows air to flow from inside the home to the attic above.
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The tape is applied with even pressure to ensure the seams in the rigid foam sheathing are air sealed on this manufactured home.

The tape is applied with even pressure to ensure the seams in the rigid foam sheathing are air sealed on this manufactured home.
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The thermal boundary for a gable roof can be located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic

The thermal boundary for a gable roof can be located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic
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The top plate is missing where the lower wall meets the upper wall

The top plate is missing where the lower wall meets the upper wall
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The trim-to-flooring seam can be caulked to provide an air seal at the base of the walls.

The trim-to-flooring seam can be caulked to provide an air seal at the base of the walls.
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The very dark area around the recessed light fixture shows significant heat loss while the purple streaks radiating out indicate air leakage; the purple area around the heating register (left) indicates heat loss likely due to missing insulation

The very dark area around the recessed light fixture indicates significant heat loss while the purple streaks radiating out indicate air leakage; the purple area around the heating register to the left indicates heat loss likely due to missing insulation
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The vinyl weatherstripping along the side of this garage door has been badly weathered and needs to be replaced.

The vinyl weatherstripping along the side of this garage door has been badly weathered and needs to be replaced.
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The wood flooring was taped off prior to installing the canned spray foam to protect the wood surface.

The wood flooring was taped off prior to installing the canned spray foam to protect the wood surface.
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The yellow areas in this infrared camera image show where heat from the attic is entering the home around recessed can light fixtures

The yellow areas in this infrared camera image show where heat from the attic is entering the home around recessed can light fixtures
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These baffles have a wind dam at the back which drops down into the rafter bay to serve as a backstop for insulation

These baffles have a wind dam at the back which drops down into the rafter bay to serve as a backstop for insulation
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These ducts are sealed with Underwriter Laboratories-approved metal tape.

These ducts are sealed with Underwriter Laboratories-approved metal tape.
CAD File:

Thin-profile attic eave baffle and vent

Preview Image
Thin-profile attic eave baffle and vent
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This aerosol sealant process seals off small leaks in the building envelope with tiny particles of nontoxic acrylic sealant that are sprayed into the air while the home is pressurized with a blower door kit.

This aerosol sealant process seals off small leaks in the building envelope with tiny particles of nontoxic acrylic sealant that are sprayed into the air while the home is pressurized with a blower door kit.
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This air register has noticeable gaps between it and the floor; use canned spray foam to fill in the gaps.

This air register has noticeable gaps between it and the floor; use canned spray foam to fill in the gaps.
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This air-sealing approach uses the wall drywall to isolate the corridor from the individual units in a multifamily building that has a truss floor structural system

This air-sealing approach uses the wall drywall to isolate the corridor from the individual units in a multifamily building that has a truss floor structural system