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Advanced framing techniques including 2x6 walls spaced at 24 inches on center and ladder blocking at wall intersections allow more space for insulation in the wall cavities while open-web floor joists provide space between floors for ducting.

Advanced framing techniques including 2x6 walls spaced at 24 inches on center and ladder blocking at wall intersections allow more space for insulation in the wall cavities while open-web floor joists provide space between floors for ducting.
Video:

Advanced Framing vs Traditional Framing

Presentation:

Advances in Manufactured Home Energy Efficient Design

Advances in Manufactured Home Energy Efficient Design
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After attaching netting to the 2x6 studs, workers fill the wall cavities with R-23 of blown fiberglass made from recycled bottles.

After attaching netting to the 2x6 studs, workers fill the wall cavities with R-23 of blown fiberglass made from recycled bottles.
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After securing the inner coil, cover the draw band and the seam with a generous amount of mastic

After securing the inner coil, cover the draw band and the seam with a generous amount of mastic
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After setting precast concrete basement walls on an 8-inch bed of trap rock, this builder sprayed 2 inches of closed-cell spray foam directly onto the ground then laid piping for radiant floor heating before pouring the concrete floor slab.

After setting precast concrete basement walls on an 8-inch bed of trap rock, this builder sprayed 2 inches of closed-cell spray foam directly onto the ground then laid piping for radiant floor heating before pouring the concrete floor slab.
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After spraying the 2x6 wall cavities with 2 inches (R-13) of closed-cell spray foam, the walls are covered with netting and an additional 3.5 inches of fiberglass (R-13) is blown in.

After spraying the 2x6 wall cavities with 2 inches (R-13) of closed-cell spray foam, the walls are covered with netting and an additional 3.5 inches of fiberglass (R-13) is blown in.
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

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Air barrier at garage band joist - 1 inch rigid insulation with 2x2 wood furring
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Air leaking through the home's envelope wastes a lot of energy and increases energy costs.

Air leaking through the home's envelope wastes a lot of energy and increases energy costs.
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Air seal and insulate drawer and closet boxes in attic kneewalls

Air seal and insulate drawer and closet boxes in attic kneewalls
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Air seal and insulate flex ducts

Air seal and insulate flex ducts
CAD File:

Air seal at cabinet soffit - single-story

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Air seal at cabinet soffit - single-story
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Air seal attic access panels and drop-down stairs to minimize air leakage.

Air seal attic access panels and drop-down stairs to minimize air leakage.
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Air seal floor joist cavities under kneewall with rigid foam, plywood, or OSB caulked in place

Air seal floor joist cavities under kneewall with rigid foam, plywood, or OSB caulked in place
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Air seal the attic access panel with weatherstripping.

Air seal the attic access panel with weatherstripping.
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Air seal the attic access pull-down stairs opening with weatherstripping.

Air seal the attic access pull-down stairs opening with weatherstripping.
CAD File:

Air sealing at attic hatch - finish screws

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Air sealing at attic hatch - finish screws
CAD File:

Air sealing at attic pull down attic stair

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Air sealing at attic pull down attic stair
CAD File:

Air sealing at cantilevered manufactured fireplace assembly

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Air sealing at cantilevered manufactured fireplace assembly
CAD File:

Air sealing at common wall between dwelling units

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Air sealing at common wall between dwelling units
CAD File:

Air sealing at corner vertical bathtub chase

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Air sealing at corner vertical bathtub chase
CAD File:

Air sealing at corner vertical chase

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Air sealing at corner vertical chase