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Image:

When using I-joists, make sure to fill in the gaps on each side of the blocking material to air-seal the joist bay where a wall separates conditioned and unconditioned spaces.

When using I-joists, make sure to fill in the gaps on each side of the blocking material to air-seal the joist bay where a wall separates conditioned and unconditioned spaces.
Video:

Which roof shape best stands up to the fiercest gale?

Video:

Why A Sealed FORTIFIED Roof

Video:

Wildfire: Prevent Home Ignition P.1

Video:

Wildfire: Prevent Home Ignition P.2

Video:

Wildfire! Preventing Home Ignitions

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Wind uplift pressures on gable end overhang with ladder framing

Wind uplift pressures on gable end overhang with ladder framing
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Windows are installed as “outies” in this wall assembly using a self-adhered membrane water and air control layer with continuous exterior insulation

Windows are installed as “outies” in this wall assembly using a self-adhered membrane water and air control layer with continuous exterior insulation
Video:

Wood Tornado Shelters Segment 1

Video:

World's Whitest Paint: radiative cooling helps to fight climate change

Image:

Wrong - Air barrier behind tub does not extend down to floor

Wrong - Air barrier behind tub does not extend down to floor
Image:

Wrong - Air barrier behind tub does not extend down to floor

Wrong - Air barrier behind tub does not extend down to floor
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Wrong - Air barrier missing behind shower

Wrong - Air barrier missing behind shower
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Wrong - Air barrier missing behind tub area

Wrong - Air barrier missing behind tub area
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Wrong - Air barrier missing behind tub area

Wrong - Air barrier missing behind tub area
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Wrong - Air barrier missing behind tub area

Wrong - Air barrier missing behind tub area
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Wrong - Air barrier missing behind tub area

Wrong - Air barrier missing behind tub area
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Wrong - Attic kneewall missing air barrier

Wrong - Attic kneewall missing air barrier
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Wrong - Cantilevered floor joist bay cavities are not air sealed with a solid air barrier aligned with the exterior wall.

Wrong - Cantilevered floor joist bay cavities are not air sealed with a solid air barrier aligned with the exterior wall.
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Wrong - Cantilevered joist bay cavities are not air sealed with a solid air barrier, allowing outside air to flow between floors.

Wrong - Cantilevered joist bay cavities are not air sealed with a solid air barrier, allowing outside air to flow between floors.
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Wrong - Ceiling air barrier not properly installed

Wrong - Ceiling air barrier not properly installed
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Wrong - Ceiling insulation is not completely installed and air barrier is missing.

Wrong - Ceiling insulation is not completely installed and air barrier is missing.
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Wrong - Construction materials show signs of mold.

Wrong - Construction materials show signs of mold.
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Wrong - Displaced concrete tiles can allow ember entry.

Wrong - Displaced concrete tiles can allow ember entry.