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A continuous rim joist separates the garage and living space

A continuous rim joist separates the garage and living space
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A detached garage offers more space to place solar panels with likely fewer roof penetrations and more options for roof pitch and orientation.

A detached garage offers more space to place solar panels with likely fewer roof penetrations and more options for roof pitch and orientation.
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A roof-mounted solar electric system can be sized to produce enough electricity to power the home and an electric car.

A roof-mounted solar electric system can be sized to produce enough electricity to power the home and an electric car.
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A significant thermal break occurs where the exterior wall connects to an unconditioned or partially conditioned garage with conditioned living spaces above

A significant thermal break occurs where the exterior wall connects to an unconditioned or partially conditioned garage with conditioned living spaces above
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Adjustable weatherstripping can be installed around the interior side of the door frame to help keep out wind-blown rain and embers and hot gasses from wildfires (FEMA 577).

Adjustable weatherstripping can be installed around the interior side of the door frame to help keep out wind-blown rain and embers and hot gasses from wildfires (FEMA 577).
CAD File:

Air barrier at garage band joist - 1 1/2 inch rigid insulation with 2x4 sleepers

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Air barrier at garage band joist - 1 1/2 inch rigid insulation with 2x4 sleepers
CAD File:

Air barrier at garage band joist - 1 inch rigid insulation with 1x3 wood furring

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Air barrier at garage band joist - 1 inch rigid insulation with 1x3 wood furring
CAD File:

Air barrier at garage band joist - 1 inch rigid insulation with 2x2 wood furring

Preview Image
Air barrier at garage band joist - 1 inch rigid insulation with 2x2 wood furring
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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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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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Assembly can be used in IECC CZ 3 and above to thermally isolate garages in multifamily row houses with slab foundations. For unheated garages, it is unnecessary to insulate wall between garage and exterior of slab or slab underneath garage.

Assembly can be used in IECC CZ 3 and above to thermally isolate garages in multifamily row houses with slab foundations. For unheated garages, it is unnecessary to insulate wall between garage and exterior of the slab or the slab underneath the garage.
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Batt insulation is not an effective air barrier

Batt insulation is not an effective air barrier
Video:

BetterBuiltNW: Introduction to Ductless Heat Pumps Part C—Designing and Sizing Systems

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Bracing Your Garage Door.

Bracing Your Garage Door.
Case Study:

Builders Challenge High Performance Builder Spotlight: Kacin Homes, Pittsburgh, Pennsylvania

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Caulk around each piece of rigid foam in garage wall rim joist cavities

Caulk around each piece of rigid foam in garage wall rim joist cavities
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Correctly insulated floor

Correctly insulated floor
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Detail A - Recommended reinforced horizontal latch system for garage door

Detail A - Recommended reinforced horizontal latch system for garage door
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Double and Single Garage Door Retrofit Kits to Withstand Hurricanes

Double and Single Garage Door Retrofit Kits to Withstand Hurricanes
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Drop-in ceiling assemblies consisting of suspended ceiling tiles (common in multifamily buildings) are often insulated with fiberglass or mineral wool batt insulation.

Drop-in ceiling assemblies consisting of suspended ceiling tiles (common in multifamily buildings) are often insulated with fiberglass or mineral wool batt insulation.
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Duct is compressed

Duct is compressed
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Duct is compressed

Duct is compressed
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Ducts properly installed without compression and appropriately supported

Ducts properly installed without compression and appropriately supported