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Wrong - Flex duct is improperly attached and sealed to duct boot.

Wrong - Flex duct is improperly attached and sealed to duct boot.
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Wrong - Flex duct pinched by bracing

Wrong - Flex duct pinched by bracing
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Wrong - Flex duct resting on floor compressing insulation and causing condensation

Wrong - Flex duct resting on floor compressing insulation and causing condensation
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Wrong - Flex duct with sharp turn restricting air flow

Wrong - Flex duct with sharp turn restricting air flow
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Wrong - Framing a dormer using only toe nailing and end nailing is not acceptable in areas subjected to high winds, hurricanes, or earthquakes.

Wrong - Framing a dormer using only toe nailing and end nailing is not acceptable in areas subjected to high winds, hurricanes, or earthquakes.
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Wrong - Furnace return air filter is dirty and needs to be replaced.

Wrong - Furnace return air filter is dirty and needs to be replaced.
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Wrong - Glazing failed due to windborne debris during a hurricane.

Wrong - Glazing failed due to windborne debris during a hurricane.
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Wrong - Heat ERV energy exchange core has become completely clogged with dirt.

Wrong - Heat ERV energy exchange core has become completely clogged with dirt.
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Wrong - Hole in duct is not sealed and duct joint to subfloor is not sealed.

Wrong - Hole in duct is not sealed and duct joint to subfloor is not sealed.
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Wrong - Hole in duct needs to be sealed.

Wrong - Hole in duct needs to be sealed.
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Wrong - Home owner has ignored HVAC system warning to replace air filter.

Wrong - Home owner has ignored HVAC system warning to replace air filter.
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Wrong - Home owner has ignored system alerts on smart thermostat.

Wrong - Home owner has ignored system alerts on smart thermostat.
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Wrong - HVAC metal cabinet seam is not sealed with mastic or metal tape.

Wrong - HVAC metal cabinet seam is not sealed with mastic or metal tape.
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Wrong - HVAC return air filter has not been replaced for over a year.

Wrong - HVAC return air filter has not been replaced for over a year.
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Wrong - HVAC rigid metal duct seam needs to be air sealed with mastic or metal tape.

Wrong - HVAC rigid metal duct seam needs to be air sealed with mastic or metal tape.
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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.
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Wrong - In floodplains, the interior grade elevation should be equal to or higher than the exterior grade as shown on right.

Wrong - In floodplains, the interior grade elevation should be equal to or higher than the exterior grade as shown on right.
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Wrong - Leaks in the roof sheathing can allow water to get in and wet the drywall, providing fertile ground for mold.

Wrong - Leaks in the roof sheathing can allow water to get in and wet the drywall, providing fertile ground for mold.
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Wrong - Metal tape is poorly adhered and metal duct and duct-to-subfloor seam is not sealed.

Wrong - Metal tape is poorly adhered and metal duct and duct-to-subfloor seam is not sealed.
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Wrong - Mold can spread rapidly in flood damaged homes if materials aren't dried quickly.

Wrong - Mold can spread rapidly in flood damaged homes if materials aren't dried quickly.
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Wrong - Negative pressure from hurricane winds caused garage door to collapse inward.

Wrong - Negative pressure from hurricane winds caused garage door to collapse inward.
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Wrong - Not enough straps were used to hang this flex duct so it is sagging, restricting air flow

Wrong - Not enough straps were used to hang this flex duct so it is sagging, restricting air flow
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Wrong - Penetrations in walls for ducts should be air sealed to reduce air leakage.

Wrong - Penetrations in walls for ducts should be air sealed to reduce air leakage.
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Wrong - Recessed can light is compressing duct work.

Wrong - Recessed can light is compressing duct work.