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Video:

Air Sealing Retrofits: Reduce Air Bypass at the Return Grille by Taping around the Filter with Removable Tape

Video:

Air Sealing Retrofits: Reduce Air Leakage at the Sill Plate with Canned Spray Foam

Image:

Air sealing tape seals all wood-to-wood joints in the attic.

Air sealing tape seals all wood-to-wood joints in the attic.
CAD File:

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

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

Air-seal above-grade sill plates adjacent to conditioned space to minimize air leakage.

Air-seal above-grade sill plates adjacent to conditioned space to minimize air leakage.
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Air-seal around all plumbing and piping installed through walls, ceilings, and flooring adjacent to unconditioned space to prevent air leakage.

Air-seal around all plumbing and piping installed through walls, ceilings, and flooring adjacent to unconditioned space to prevent air leakage.
Image:

Air-seal around all wiring installed through walls, ceilings, and flooring to keep conditioned air from leaking into unconditioned space.

Air-seal around all wiring installed through walls, ceilings, and flooring to keep conditioned air from leaking into unconditioned space.
Image:

Air-seal around recessed can light fixtures that are installed through ceilings to keep conditioned air from leaking into unconditioned space.

Air-seal around recessed can light fixtures that are installed through ceilings to keep conditioned air from leaking into unconditioned space.
Image:

Air-seal drywall to top plates at all attic/wall interfaces to minimize air leakage.

Air-seal drywall to top plates at all attic/wall interfaces to minimize air leakage.
Image:

Air-seal exterior doors to minimize air leakage.

Air-seal exterior doors to minimize air leakage.
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Air-seal the attic kneewall door opening with weatherstripping.

Air-seal the attic kneewall door opening with weatherstripping.
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Air-seal the rough opening around doors and windows to minimize air leakage.

Air-seal the rough opening around doors and windows to minimize air leakage.
Image:

Air-sealing tape carefully seals the seams around the window framing.

Air-sealing tape carefully seals the seams around the window framing.
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:

All of the ductwork for the efficient (8.5 HSPF, 15 SEER) heat pump is mastic sealed and installed in conditioned space.

All of the ductwork for the efficient (8.5 HSPF, 15 SEER) heat pump is mastic sealed and installed in conditioned space.
Image:

All of the sheathing seams and joints in the exterior walls of this multifamily building are air sealed with tape including the seams at the party wall interfaces

All of the sheathing seams and joints in the exterior walls of this multifamily building are air sealed with tape including the seams at the party wall interfaces
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All seams between structural insulated panels (SIPs) foamed and/or taped per manufacturer's instructions

All seams between structural insulated panels (SIPs) foamed and/or taped per manufacturer's instructions
Image:

All wall cavities in this exterior wall were air sealed by caulking the sheathing to the frame and caulking the joints between framing members

All wall cavities in this exterior wall were air sealed by caulking the sheathing to the frame and caulking the joints between framing members
Image:

All wood-to-wood joints and wiring holes have been sealed in this exterior wall

All wood-to-wood joints and wiring holes have been sealed in this exterior wall
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Allow sealant around the electrical switch box to fully cure before reinstalling.

Allow sealant around the electrical switch box to fully cure before reinstalling.
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An all-terrain forklift is used to move and stage the panels

An all-terrain forklift is used to move and stage the panels
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An energy rater will check for dry rot and moisture problems as well as air leakage around windows and doors.

An energy rater will check for dry rot and moisture problems as well as air leakage around windows and doors.
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An infrared camera can show heat transfer and air leaks not visible to the naked eye.

An infrared camera can show heat transfer and air leaks not visible to the naked eye.
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An insulated spline is another option for avoiding thermal bridging at SIP panel seams

An insulated spline is another option for avoiding thermal bridging at SIP panel seams