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Air seal and insulate drawer and closet boxes in attic kneewalls
Air seal around all duct shafts and flues installed through ceilings, walls, or flooring to keep conditioned air from leaking into unconditioned space.
Air seal around all plumbing and piping 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.
Air seal around kitchen and bathroom exhaust fans to keep conditioned air from leaking into unconditioned space.
Air seal around recessed can light fixtures installed through ceilings to keep conditioned air from leaking into unconditioned space.
Air seal attic access panels and drop-down stairs to minimize air leakage.
Air seal door and window rough openings with backer rod, caulk, or nonexpanding foam
Air seal exterior doors to minimize air leakage.
Air seal the attic access panel with weather stripping
Air seal the attic access pull-down stairs opening with weather stripping
Air seal the attic kneewall door opening with weather stripping
Air seal the rough opening around doors and windows to minimize air leakage.
Air seal whole-house fans to minimize air leakage.
Application of window and door nonexpanding foam sealant
Caulk applied against the backer rod to seal a window rough opening
Closed-cell backer rod for air sealing window and door rough openings
Install an ENERGY STAR labeled insulated door with an automatic closer. Weather strip the door frame
Install the whole house fan in the ceiling in a central location in the house
Insulated whole-house fan cover
Light tubes adjacent to unconditioned space include lens separating unconditioned and conditioned space and are fully gasketed
Provide flashing and sealing integrated with the air and water control layers for vents and other roof penetrations
Right - A durable, vented cover is installed over this exhaust duct to prevent bird and pest entry
Right –  Attic access hatch has been properly insulated by attaching a fiberglass batt, gasketed, and opening has blocking
Right – Attic access door has foam and rubber weather stripping installed that remains in contact when closed
Right – Backer-rod is a foam product available in various diameters that can be used to air seal openings around doors and windows
Right – Blocking has been installed around the perimeter of this attic access to prevent insulation falling into the house
Right – Chase capped with rigid air barrier and duct work penetrations properly sealed
Right – Cleanly cut and properly sized hole
Right – Fan with a cleanly cut and properly sized hole has been air sealed to drywall
Right – Flex duct register is mastic sealed to framing
Right – ICAT labeled recessed light installed but still needs gasket
Right – ICAT labeled recessed light with trim kit installed
Right – ICAT recessed light sprayed with foam to act as gasket against the drywall
Right – Kitchen exhaust penetration has been sealed with caulk
Right – Neatly cut and sealed penetration
Right – Neatly cut hole has been properly sealed with foam
Right – Neatly cut hole has been properly sealed with foam
Right – Neatly cut hole has been properly sealed with foam
Right – Neatly cut holes have been properly sealed with caulk and foam
Right – Neatly cut holes have been properly sealed with foam
Right – Penetrations have been neatly cut and properly sealed with foam
Right – Recessed can light penetration sealed with caulk to drywall
Right – Rough opening around window has been filled with backer-rod to air seal
Right – Rough opening around window has been filled with low-expansion foam to air seal
Right – Vent and air barrier sealed
Right – Weather stripping has been installed and remains in contact once door is closed
Right – Wiring penetrations have been neatly sealed with foam
Right – Wiring penetrations have been neatly sealed with foam
Right – Wiring penetrations have been neatly sealed with foam
The air tightness of the garage-to-house air barrier can be tested with a blower door kit and two manometers
The floor cavities under this attic kneewall are completely open to the unconditioned attic space and a prime target for wind washing.
Whole house fan cover details
Whole house fan with a built-in insulated cover
Whole house fans draw cool night-time air in through open windows and expel hot house air into the vented attic
Wrong – Attic access panel does not have an insulation cover installed
Wrong – Chase not capped
Wrong – Drop down stairs do not have insulation cover installed
Wrong – Fibrous insulation does not air seal
Wrong – Fibrous insulation is not an air barrier and cannot be used for sealing holes
Wrong – Fibrous insulation is not an air barrier and cannot be used for sealing holes
Wrong – Fibrous insulation is not an air barrier and cannot be used to air seal openings
Wrong – Hole has not been air sealed
Wrong – Hole has not been air sealed
Wrong – Hole was not neatly cut with a saw, making it difficult to seal
Wrong – Holes have been cut larger than needed, making it difficult to seal

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