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Wrong – If the insulated sheathing will serve as an air barrier and drainage plane, any cuts and seams must be taped or sealed.

Wrong – If the insulated sheathing will serve as an air barrier and drainage plane, any cuts and seams must be taped or sealed.
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Wrong – Insulated sheathing seams should align with framing members

Wrong – Insulated sheathing seams should align with framing members
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Wrong – Insulation has misalignment, compression, and gaps

Wrong – Insulation has misalignment, compression, and gaps
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Wrong – Insulation will not be aligned with air barrier

Wrong – Insulation will not be aligned with air barrier
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Wrong – No blocking installed to prevent attic insulation from falling into stairs and opening

Wrong – No blocking installed to prevent attic insulation from falling into stairs and opening
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Wrong – No rigid backing was installed on the attic knee wall.

Wrong – No rigid backing was installed on the attic knee wall.
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Wrong – No top plate was installed.

Wrong – No top plate was installed.
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Wrong – Rigid insulation is being installed without cap nails

Wrong – Rigid insulation is being installed without cap nails
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Wrong – Roof underlayment is not fully adhered and roof deck seams are not sealed so roof is susceptible to high-wind events

Wrong – Roof underlayment is not fully adhered and roof deck seams are not sealed so roof is susceptible to high-wind events
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Wrong – Slab insulation does not extend to the top of the slab

Wrong – Slab insulation does not extend to the top of the slab
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Wrong – Slab insulation does not extend to the top of the slab

Wrong – Slab insulation does not extend to the top of the slab
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Wrong – Spray foam installed with voids

Wrong – Spray foam installed with voids
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Wrong – The backing on this knee wall was not air sealed prior to adding insulation.

Wrong – The backing on this knee wall was not air sealed prior to adding insulation.
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Wrong – The batt insulation on this knee wall is not properly supported and there is no air sealed rigid backing to provide a solid air barrier.

Wrong – The batt insulation on this knee wall is not properly supported and there is no air sealed rigid backing to provide a solid air barrier.
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Wrong – The framing and wind baffle installation will not allow for required insulation depth.

Wrong – The framing and wind baffle installation will not allow for required insulation depth.
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Wrong – The framing will not allow for required insulation depth.

Wrong – The framing will not allow for required insulation depth.
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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 polyethylene sheeting vapor barrier is not attached to the piers with mechanical fasteners

Wrong – The polyethylene sheeting vapor barrier is not attached to the piers with mechanical fasteners
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Wrong – There is no weather stripping or gasket around the attic stair hatch

Wrong – There is no weather stripping or gasket around the attic stair hatch
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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 – When insulating with spray foam, care should be taken to completely fill areas around piping and other penetrations to avoid leaving air gaps.

Wrong – When insulating with spray foam, care should be taken to completely fill areas around piping and other penetrations to avoid leaving air gaps.
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Wrong – When more than one layer of insulation is installed, the seams should be staggered to discourage ground water from reaching the foundation wall.

Wrong – When more than one layer of insulation is installed, the seams should be staggered to discourage ground water from reaching the foundation wall.
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Wrong- A tie strap should not be used over the duct outer liner because it can compress the insulation. Tuck in the fibrous insulation and seal the outer liner to the connecting duct with mastic or foil tape (Steven Winter Associates 2013).

Wrong- A tie strap should not be used over the duct outer liner because it can compress the insulation. Tuck in the fibrous insulation and seal the outer liner to the connecting duct with mastic or foil tape (Steven Winter Associates 2013).
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Wrong: Closed-cell spray foam roof insulation was not thick enough to meet IRC levels so the foam surface is colder than the dew point of the interior air and condensation formed on surface of the foam

Wrong: Closed-cell spray foam roof insulation was not thick enough to meet IRC levels so the foam surface is colder than the dew point of the interior air and condensation formed on surface of the foam