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

Air-sealing tape carefully seals the seams around the window framing.
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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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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.
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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
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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
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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 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 exterior wall braced using the let-in-bracing (LIB) method with no exterior sheathing

An exterior wall braced using the let-in-bracing (LIB) method with no exterior sheathing
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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 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
Presentation:

An Introduction to ASHRAE Guideline 44

An Introduction to ASHRAE Guideline 44
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An investigation of this garage door weatherstripping shows that the installed seal wasn’t long enough to extend across the entire length of the door and it appears that rodents chewed into the weatherstripping on the right to make the hole even larger.

An investigation of this garage door weatherstripping shows that the installed seal wasn’t long enough to extend across the entire length of the door and it appears that rodents chewed into the weatherstripping on the right to make the hole even larger.
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An IR camera image shows gaps around HVAC flue pipes allow conditioned air to leak through blown fiberglass into the attic

An IR camera image shows gaps around HVAC flue pipes allow conditioned air to leak through blown fiberglass into the attic
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Application of Spray Foam Insulation Under Plywood and OSB Roof Sheathing

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Application of window and door nonexpanding foam sealant

Application of window and door nonexpanding foam sealant
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Apply roof sealant along the top edge and sides of the vent and use sealant to cover any exposed roof nails

Apply roof sealant along the top edge and sides of the vent and use sealant to cover any exposed roof nails
Presentation:

Are the Walls Closing In?

Are the Walls Closing In?
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Asphalt shingles are installed over a synthetic underlayment

Asphalt shingles are installed over a synthetic underlayment
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Assembled section of fiber board duct

Assembled section of fiber board duct
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Assembly details for a 1-hour separation wall between dwelling units in multifamily row houses

Assembly details for a 1-hour separation wall between dwelling units in multifamily row houses
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Assembly details for a 2-hour separation wall between dwelling units in multifamily row

Assembly details for a 2-hour separation wall between dwelling units in multifamily row