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Video:

What is Roof Flashing & How to Install it

Video:

What Type of Connection is Critical in Creating a Continuous Path Differing Loads?

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When HVAC systems are installed in enclosed garages, it is preferable that the equipment is located within an air-sealed room that is connected to the conditioned space.

When HVAC systems are installed in enclosed garages, it is preferable that the equipment is located within an air-sealed room that is connected to the conditioned space.
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When installing fasteners in roof sheathing, common mistakes include using the wrong size fasteners, missing the framing members, overdriving nails, and using too many or too few fasteners.

When installing fasteners in roof sheathing, common mistakes include using the wrong size fasteners, missing the framing members, overdriving nails, and using too many or too few fasteners.
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When wrapping metal ducts with insulation allow two inches of overlap and staple along the seam with outward clinching staples

When wrapping metal ducts with insulation allow two inches of overlap and staple along the seam with outward clinching staples
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Where the optimal tilt angle for PV panels is 30°, if the roof is facing due south, the tilt angle (roof pitch) can vary 0° to 60° or roof direction can vary up to 65° to east or west and the roof can still collect 90% to 100% of available solar energy.

Where the optimal tilt angle for PV panels is 30°, if the roof is facing due south, the tilt angle (roof pitch) can vary 0° to 60° or roof direction can vary up to 65° to east or west and the roof can still collect 90% to 100% of available solar energy.
Video:

Which roof shape best stands up to the fiercest gale?

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Whole house ventilation ensures adequate indoor air quality

Whole house ventilation ensures adequate indoor air quality
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 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 - 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 - 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 - ERV heat exchange coils have not been cleaned and have become completely clogged with dirt.

Wrong - ERV heat exchange coils have not been cleaned and have become completely clogged with dirt.
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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.