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United Way of Long Island built this affordable home in the mixed-humid climate in Medford, NY, and certified it to DOE Zero Energy Ready Home specifications in 2021.

United Way of Long Island built this affordable home in the mixed-humid climate in Medford, NY, and certified it to DOE Zero Energy Ready Home specifications in 2021.
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United Way of Long Island built this affordable home in the mixed-humid climate in Port Jefferson Station, NY, and certified it to DOE Zero Energy Ready Home specifications in 2020.

United Way of Long Island built this affordable home in the mixed-humid climate in Port Jefferson Station, NY, and certified it to DOE Zero Energy Ready Home specifications in 2020.
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Unity Homes built this custom spec home in the cold climate in Walpole, NH, and certified it to DOE Zero Energy Ready Home specifications in 2017.

Unity Homes built this custom spec home in the cold climate in Walpole, NH, and certified it to DOE Zero Energy Ready Home specifications in 2017.
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Upper wall insulation installation with butyl z-flashing

Upper wall insulation installation with butyl z-flashing
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Using dry wall clips or a 1x nailer strip to avoid the third stud in corners provides more room for insulation and reduces lumber.

Using dry wall clips or a 1x nailer strip to avoid the third stud in corners provides more room for insulation and reduces lumber.
Video:

Wall Assembly | Madrona Passive House

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Wall damage caused by leak due to improper flashing

Wall damage caused by leak due to improper flashing
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Wallingford Passive House | Exterior Insulation Window Detail

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Water Moisture Issues: Flashing Windows, Water Leaks, and Kick-Out Flashings

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Weatherstrip installation on a door.

Weatherstrip installation on a door.
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Weep holes: Rope inserted in the head joist between bricks will allow water to weep out of the base of the wall assembly

Weep holes: Rope inserted in the head joist between bricks will allow water to weep out of the base of the wall assembly
Video:

What is Roof Flashing & How to Install it

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Window and door openings fully flashed

Window and door openings fully flashed
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Window flashing is overlapped to provide a continuous drainage plane.

Window flashing is overlapped to provide a continuous drainage plane.
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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
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Wood/fiber cement drainable wall assembly

Wood/fiber cement drainable wall assembly
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Wrong - House wrap was poorly installed, seams were not taped, and flashing tape was not installed around windows.

Wrong - House wrap was poorly installed, seams were not taped, and flashing tape was not installed around windows.
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Wrong - Flashing tape is missing behind the right edge of the brick wall.

Wrong - Flashing tape is missing behind the right edge of the brick wall.
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Wrong - Flue pipe was poorly flashed at roof.

Wrong - Flue pipe was poorly flashed at roof.
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Wrong - House wrap and flashing tape are poorly installed allowing water to get into the gaps behind flashing tape.

Wrong - House wrap and flashing tape are poorly installed allowing water to get into the gaps behind flashing tape.
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Wrong - House wrap tape is not fully adhered at seam and flashing tape is missing from window head, jamb, and corner above window.

Wrong - House wrap tape is not fully adhered at seam and flashing tape is missing from window head, jamb, and corner above window.
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Wrong - House wrap was not properly cut and adhered where the roof meets the wall so water is likely to get behind the house wrap.

Wrong - House wrap was not properly cut and adhered where the roof meets the wall so water is likely to get behind the house wrap.
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Wrong - House wrap was poorly cut at wall interface and not taped leaving wood exposed and vulnerable to water entry.

Wrong - House wrap was poorly cut at wall interface and not taped leaving wood exposed and vulnerable to water entry.
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Wrong - Metal flashing is bent and poorly installed and tape flashing is missing.

Wrong - Metal flashing is bent and poorly installed and tape flashing is missing.