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Wall Mount Chimney Range Hood for Aesthetic Use, Newport Partners.

Wall Mount Chimney Range Hood for Aesthetic Use, Newport Partners.
Video:

Wallingford Passive House | Foundation Details

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Water intrusion

Water intrusion
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Water-proof materials cover the exterior side of crawlspace windows in a crawlspace retrofit, while foil-faced rigid foams seals and insulates the inside face of the openings

Water-proof materials cover the exterior side of crawlspace windows in a crawlspace retrofit, while foil-faced rigid foams seals and insulates the inside face of the openings
Video:

Wet Floodproofing

Video:

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

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When closing the grille cover over the return duct after replacing the furnace filter, make sure that the filter is properly sitting in the space and the latches or screws are securely fastened.

When closing the grille cover over the return duct after replacing the furnace filter, make sure that the filter is properly sitting in the space and the latches or screws are securely fastened.
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When installing exhaust fan ducts, use as few elbows as possible

When installing exhaust fan ducts, use as few elbows as possible
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When installing exhaust fan ducts, use rigid metal ductwork

When installing exhaust fan ducts, use rigid metal ductwork
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When installing exhaust fan ducts, use the shortest duct runs possible to the outside

When installing exhaust fan ducts, use the shortest duct runs possible to the outside
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When using a theatrical fog machine to detect duct leakage, point the fog stream toward the outer edge of the test fan opening to avoid fouling the fan motor and pressure taps

When using a theatrical fog machine to detect duct leakage, point the fog stream toward the outer edge of the test fan opening to avoid fouling the fan motor and pressure taps
Video:

Which building form is safest in an earthquake?

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Wind uplift pressure diagram of forces on continuous load path key links.

Wind uplift pressure diagram of forces on continuous load path key links.
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Wire hardware mesh is fastened with a staple gun and screws to the wall to prevent pests from entering the building through small holes and cracks

Wire hardware mesh is fastened with a staple gun and screws to the wall to prevent pests from entering the building through small holes and cracks
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Without an exhaust fan ducted to the exterior, particles resulting from cooking can accumulate on walls and ceilings, and will be present in the air where they can damage occupants' respiratory systems

Without an exhaust fan ducted to the exterior, particles resulting from cooking can accumulate on walls and ceilings, and will be present in the air where they can damage occupants' respiratory systems
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Wood posts for open pier foundations for flood-prone areas.

Wood posts for open pier foundations for flood-prone areas.
Video:

Wood Tornado Shelters Segment 6

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Wrong - Bathroom fan should have enough suction to hold a tissue.

Wrong - Bathroom fan should have enough suction to hold a tissue.
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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 - Code requires a kitchen exhaust fan duct to be a smooth metal duct (galvanized steel, stainless steel, or copper) and to terminate outside, not in an attic or crawlspace.

Wrong - Code requires a kitchen exhaust fan duct to be a smooth metal duct (galvanized steel, stainless steel, or copper) and to terminate outside, not in an attic or crawlspace.
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Wrong - Condensing furnace intake and exhaust are too close together.

Wrong - Condensing furnace intake and exhaust are too close together.
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Wrong - Exhaust fans should not have tight bends in duct work, especially right next to the fan as this can block airflow

Wrong - Exhaust fans should not have tight bends in duct work, especially right next to the fan as this can block airflow
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Wrong - Flex duct is prohibited for kitchen exhaust fans by the IRC.

Wrong - Flex duct is prohibited for kitchen exhaust fans by the IRC.
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Wrong - Flex ducts are prohibited by the IRC for kitchen exhaust and, at 28 feet, this duct is too long to be effective.

Wrong - Flex ducts are prohibited by the IRC for kitchen exhaust and, at 28 feet, this duct is too long to be effective.