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

Assembly details for a double-1-hour separation wall between dwelling units in multifamily row houses
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Attach the interior 2x4 wall to the exterior wall top plate with a flat metal connector plate

Attach the interior 2x4 wall to the exterior wall top plate with a flat metal connector plate
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Attic access panel air sealing

Attic access panel air sealing
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Attic Knee Walls

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Baffles will keep insulation out of the soffit vents and wind out of the insulation in this vented attic.

Baffles will keep insulation out of the soffit vents and wind out of the insulation in this vented attic.
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Balloon framing at a gable end wall allows air to flow from the conditioned space and the wall cavity into the attic.

Balloon framing at a gable end wall allows air to flow from the conditioned space and the wall cavity into the attic.
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Balloon-framed walls have no top plate to prevent air flow into wall cavity

Balloon-framed walls have no top plate to prevent air flow into wall cavity
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Band joist insulation air sealing detail

Band joist insulation air sealing detail
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Band joist insulation and air sealing

Band joist insulation and air sealing
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Bathroom Exhaust

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Batt insulation is installed in two layers in perpendicular directions against the baffle to full required insulation height

Batt insulation is installed in two layers in perpendicular directions against the baffle to full required insulation height
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Batt insulation is installed in two layers with offset seams against the baffle to full code-required insulation height

Batt insulation is installed in two layers with offset seams against the baffle to full code-required insulation height
Case Study:

Baxter Community - High Performance Green Building

Baxter Community - High Performance Green Building
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Because the above-grade potions of the wall lack exterior insulation, condensation and even ice form during cold winter conditions

Because the above-grade potions of the wall lack exterior insulation, condensation and even ice form during cold winter conditions
Case Study:

Bedford Farmhouse High Performance Retrofit Prototype

Bedford Farmhouse High Performance Retrofit Prototype
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Bees made a nest in the drainage plane behind a brick veneer wall by entering via unscreened weep holes

Bees made a nest in the drainage plane behind a brick veneer wall by entering via unscreened weep holes
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Before conducting a blower door test, turn off any ambient gas water heater located in the conditioned space of the home; when the test is finished, turn the water heater back on and reset the pilot light if needed.

Before conducting a blower door test, turn off any ambient gas water heater located in the conditioned space of the home; when the test is finished, turn the water heater back on and reset the pilot light if needed.
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Before installing drywall, contractors install two beads of a sprayer-applied elastomeric sealant along framing and top plates to forma a flexible, air-tight seal between the framing and dry wall.

Before installing drywall, contractors install two beads of a sprayer-applied elastomeric sealant along framing and top plates to forma a flexible, air-tight seal between the framing and dry wall.
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Before installing the windows, the window rough openings are sealed with a liquid-applied flashing that provides a seamless moisture and air barrier to protect the wall from water intrusion.

Before installing the windows, the window rough openings are sealed with a liquid-applied flashing that provides a seamless moisture and air barrier to protect the wall from water intrusion.
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Before purchasing a door sweep, measure the full width of the door where the sweep will be installed.

Before purchasing a door sweep, measure the full width of the door where the sweep will be installed.
Case Study:

Best Practices Case Study: Artistic Homes, Albuquerque, NM

Best Practices Case Study: Artistic Homes, Albuquerque, NM