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Wrong – The flashing of the roof-wall juncture was installed above the roof shingles instead of below the roof shingles; also no kickout flashing was installed.

Wrong – The flashing of the roof-wall juncture was installed above the roof shingles instead of below the roof shingles; also no kickout flashing was installed.
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Wrong – The gable end wall failed because the rigid foam sheathing was not backed up by plywood or OSB.

Wrong – The gable end wall failed because the rigid foam sheathing was not backed up by plywood or OSB.
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Wrong – The rigid air barrier material between the cantilever and the conditioned space is not air sealed at the seams.

Wrong – The rigid air barrier material between the cantilever and the conditioned space is not air sealed at the seams.
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Wrong – The rigid sheathing seams are not taped and the gaps could cause moisture problems

Wrong – The rigid sheathing seams are not taped and the gaps could cause moisture problems
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Wrong – The water-resistant barrier is not complete and the holes and gaps could cause moisture problems

Wrong – The water-resistant barrier is not complete and the holes and gaps could cause moisture problems
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Wrong – There is not a water-resistant barrier installed underneath the exterior finish of the walls

Wrong – There is not a water-resistant barrier installed underneath the exterior finish of the walls
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Wrong – This second-story floor plan has red lines that indicate openings from the attic into the interstitial floor space

Wrong – This second-story floor plan has red lines that indicate openings from the attic into the interstitial floor space
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Wrong – When insulated sheathing is installed correctly, you should not see daylight. Nail holes were also left unplugged.

Wrong – When insulated sheathing is installed correctly, you should not see daylight. Nail holes were also left unplugged.
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Wrong – Wiring holes in OSB were cut much larger than needed.

Wrong – Wiring holes in OSB were cut much larger than needed.
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Wrong –Best practice solid air barrier material was not used behind the shower surround.

Wrong –Best practice solid air barrier material was not used behind the shower surround.
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Wrong--No insulation installed behind fireplace

Wrong--No insulation installed behind fireplace
Video:

Your Northern Home: Attics/Air leakage/Stack effect

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Z flashing is installed behind the rigid foam and metal lathe that goes behind the stucco siding to protect the transition between the wall sheathing and the exterior foundation insulation.

Z flashing is installed behind the rigid foam and metal lathe that goes behind the stucco siding to protect the transition between the wall sheathing and the exterior foundation insulation.