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Wrong – This exhaust fan duct is wrong on several counts: it uses flex duct rather than smooth round metal duct as required by the IRC, the duct terminates inside of the wall assembly instead of outside, the opening is not large enough...

Wrong – This exhaust fan duct is wrong on several counts: it uses flex duct rather than smooth round metal duct as required by the IRC, the duct terminates inside of the wall assembly instead of outside, the opening is not large enough, and the end is crushed thus severely limiting air flow.
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Wrong – This gable end wall failed because connectors were missing at points of support (blue circles) and the outlookers were not connected to the end truss (yellow circle)

Wrong – This gable end wall failed because connectors were missing at points of support (blue circles) and the outlookers were not connected to the end truss (yellow circle)
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Wrong – This house under construction is lacking wall to truss bracing and the bottom chord of the scissor trusses is several feet above the top of the end wall top plate

Wrong – This house under construction is lacking wall to truss bracing and the bottom chord of the scissor trusses is several feet above the top of the end wall top plate
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Wrong – This metal tie remained embedded in the mortar joint but the smooth-shank nail pulled out from the stud.

Wrong – This metal tie remained embedded in the mortar joint but the smooth-shank nail pulled out from the stud.
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Wrong – This multi family building appears to be done in traditional southwest architecture but the lack of useful overhangs, dark colored walls, and lack of tinting on windows will result in significant solar heat gain.

Wrong – This multi family building appears to be done in traditional southwest architecture but the lack of useful overhangs, dark colored walls, and lack of tinting on windows will result in significant solar heat gain.
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Wrong – This roof structure failed due to inadequate bracing

Wrong – This roof structure failed due to inadequate bracing
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Wrong – This seam along a common wall is not air sealed.

Wrong – This seam along a common wall is not air sealed.
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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 – Top plate not air sealed

Wrong – Top plate not air sealed
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Wrong – Top plate not air sealed

Wrong – Top plate not air sealed
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Wrong – Top plate to drywall connection not sealed

Wrong – Top plate to drywall connection not sealed
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Wrong – Top plate to drywall connection not sealed

Wrong – Top plate to drywall connection not sealed
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Wrong – Top plate to drywall connection not sealed

Wrong – Top plate to drywall connection not sealed
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Wrong – Walls studs were cut too short, then not shimmed.

Wrong – Walls studs were cut too short, then not shimmed.
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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 – Whole house fan installed with holes in surrounding platform that need to be air sealed

Wrong – Whole house fan installed with holes in surrounding platform that need to be air sealed
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Wrong – Whole house fan installed without an insulated cover

Wrong – Whole house fan installed without an insulated cover
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Wrong – Window has additional non-structural king stud

Wrong – Window has additional non-structural king stud
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Wrong--No insulation installed behind fireplace

Wrong--No insulation installed behind fireplace
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Wrong: Drywall does not extend beyond chase wall framing and is unsealed in a hallway dropped ceiling chase

Wrong: Drywall does not extend beyond chase wall framing and is unsealed in a hallway dropped ceiling chase
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Wrong: Drywall does not extend beyond the top plate of the interior walls. This installation has the potential for leakage at the sides where the ducts penetrate the side walls of the chase

Wrong: Drywall does not extend beyond the top plate of the interior walls. This installation has the potential for leakage at the sides where the ducts penetrate the side walls of the chase
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Wrong: Open wall cavities in the un-air-sealed return plenum connect the plenum to attic spaces

Wrong: Open wall cavities in the un-air-sealed return plenum connect the plenum to attic spaces
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Wrong: open wall cavity connected to this return air plenum is allowing cellulose attic insulation to be pulled into the furnace

Wrong: open wall cavity connected to this return air plenum is allowing cellulose attic insulation to be pulled into the furnace
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Wrong: The homeowner mistakenly filled in the weep holes in this brick wall with spray foam, preventing drainage from behind the wall

Wrong: The homeowner mistakenly filled in the weep holes in this brick wall with spray foam, preventing drainage from behind the wall