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Video:

Wildfire! Preventing Home Ignitions

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Wind path and uplift force for a gabled roof, a hip roof, and a pyramidal (another variant of a hip) roof design

Wind path and uplift force for a gabled roof, a hip roof, and a pyramidal (another variant of a hip) roof design
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Wind path and uplift force for gable ended roof, hip roof, and pyramidal (another variant of a hip) roofs

Wind path and uplift force for gable ended roof, hip roof, and pyramidal (another variant of a hip) roofs
Video:

Wind Resistant Roof Systems

Video:

Wind Resistant Roof Types

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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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Wood blocking for future PV panel installation is installed in the layers of polyisocyanurate rigid foam insulation during a flat roof retrofit

Wood blocking for future PV panel installation is installed in the layers of polyisocyanurate rigid foam insulation during a flat roof retrofit
Video:

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

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Wrong - A typical vented crawlspace in North Carolina exhibits water leakage, poor drainage, and a low-quality vapor retarder that does not cover all of the ground surface and is not sealed to the walls.

Wrong - A typical vented crawlspace in North Carolina exhibits water leakage, poor drainage, and a low-quality vapor retarder that does not cover all of the ground surface and is not sealed to the walls.
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Wrong - A vapor barrier should cover the top of the concrete block pier support in the crawl space.

Wrong - A vapor barrier should cover the top of the concrete block pier support in the crawl space.
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Wrong - An open eave with no soffit covering can trap rising hot air and embers from a wildfire.

Wrong - An open eave with no soffit covering can trap rising hot air and embers from a wildfire.
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Wrong - Class I vapor retarder over framed basement walls can cause condensation, mold, and rotting because plastic prevents drying to the inside; the outside should have waterproofing and vertical drainage, and the framing should be spaced from the wall.

Wrong - Class I vapor retarder over framed basement walls can cause condensation, mold, and rotting because plastic prevents drying to the inside; the outside should have waterproofing and vertical drainage, and the framing should be spaced from the wall.
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Wrong - Crawl space floor is missing a vapor barrier.

Wrong - Crawl space floor is missing a vapor barrier.
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Wrong - Debris and potentially hazardous wiring are littering the crawl space floor, which also should be covered with a vapor barrier.

Wrong - Debris and potentially hazardous wiring are littering the crawl space floor, which also should be covered with a vapor barrier.
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Wrong - Debris in these open gutters can ignite from wind-borne embers and lead to ignition of the roof or fascia board; use leaf screens to keep debris out of gutters in wildfire-prone areas.

Wrong - Debris in these open gutters can ignite from wind-borne embers and lead to ignition of the roof or fascia board; use leaf screens to keep debris out of gutters in wildfire-prone areas.
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Wrong - Displaced concrete tiles can allow ember entry.

Wrong - Displaced concrete tiles can allow ember entry.
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Wrong - Duct insulation and vapor barrier do not cover all of the flex duct.

Wrong - Duct insulation and vapor barrier do not cover all of the flex duct.
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Wrong - Exhaust pipe is not vertical; poorly installed roofing; roofing odd placement for gable vent.

Wrong - Exhaust pipe is not vertical; poorly installed roofing; roofing odd placement for gable vent.
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Wrong - Flashing tape was not pressure adhered to the housewrap; pressure sensitive tape must be rollered for proper adhesion.

Wrong - Flashing tape was not pressure adhered to the housewrap; pressure sensitive tape must be rollered for proper adhesion.
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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 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 - If the soffit is applied directly to the rafter eave, it forms a sloping soffit, which creates a pocket that can trap hot air and embers from a wildfire.

Wrong - If the soffit is applied directly to the rafter eave, it forms a sloping soffit, which creates a pocket that can trap hot air and embers from a wildfire.
Image:

Wrong - Lack of a weather-resistant barrier allowed water to get behind the siding and rot the framing in this corner rim joist area.

Wrong - Lack of a weather-resistant barrier allowed water to get behind the siding and rot the framing in this corner rim joist area.