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Wrong – Gable end vents can circumvent soffit-to-ridge airflow and allow in wind-driven rain and wildfire embers

Wrong – Gable end vents can circumvent soffit-to-ridge airflow and allow in wind-driven rain and wildfire embers
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Wrong – If roof membrane is not fully adhered, it can flutter and fail due to negative pressure from wind above and positive pressure from air leakage through roof deck below

Wrong – If roof membrane is not fully adhered, it can flutter and fail due to negative pressure from wind above and positive pressure from air leakage through roof deck below
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Wrong – Incorrect location of fasteners in an roof asphalt shingle

Wrong – Incorrect location of fasteners in an roof asphalt shingle
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Wrong – No air barrier between porch attic and conditioned space

Wrong – No air barrier between porch attic and conditioned space
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Wrong – No air barrier between porch attic and conditioned space

Wrong – No air barrier between porch attic and conditioned space
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Wrong – Rain barrel installed without an overflow spout that terminates away from foundation

Wrong – Rain barrel installed without an overflow spout that terminates away from foundation
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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 – The asphalt shingle shim is too small and the floor joist was cut too short.

Wrong – The asphalt shingle shim is too small and the floor joist was cut too short.
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Wrong – The clips holding these metal roofing panels were set too far from the roof eave (above red line) and the panels lifted in strong winds

Wrong – The clips holding these metal roofing panels were set too far from the roof eave (above red line) and the panels lifted in strong winds
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Wrong – The downspout terminates too close to the foundation of the house

Wrong – The downspout terminates too close to the foundation of the house
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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 metal panels covering this roof used snaplocks and concealed fasteners that gave way in high winds.

Wrong – The metal panels covering this roof used snaplocks and concealed fasteners that gave way in high winds.
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Wrong – The metal shingles and battens were inadequately secured

Wrong – The metal shingles and battens were inadequately secured
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Wrong – The off-ridge roof vent on the right was poorly anchored and pulled off in high winds allowing water into the home.

Wrong – The off-ridge roof vent on the right was poorly anchored and pulled off in high winds allowing water into the home.
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Wrong – The open overhang with exposed timbers and unscreened vent holes make this roof more susceptible to ignition.

Wrong – The open overhang with exposed timbers and unscreened vent holes make this roof more susceptible to ignition.
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Wrong – The ridge flashing fasteners were placed too far apart and came loose in high winds.

Wrong – The ridge flashing fasteners were placed too far apart and came loose in high winds.
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Wrong – The ridge flashing fasteners were placed too far apart and did not adequately hold the flashing in place

Wrong – The ridge flashing fasteners were placed too far apart and did not adequately hold the flashing in place
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Wrong – The step flashing is not the required height above the roof deck

Wrong – The step flashing is not the required height above the roof deck
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Wrong – the water-resistant barrier is layered underneath the step flashing, which could allow water to get behind the step flashing and into the wall.

Wrong – the water-resistant barrier is layered underneath the step flashing, which could allow water to get behind the step flashing and into the wall.
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Wrong – There are no gutters installed and there is not a proper gravel bed located at the foundation

Wrong – There are no gutters installed and there is not a proper gravel bed located at the foundation
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Wrong – There is not a self-sealing bituminous membrane installed at the valley of the roof

Wrong – There is not a self-sealing bituminous membrane installed at the valley of the roof
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Wrong – These clay roof tiles were dislodged by high winds due to inadequate anchorage.

Wrong – These clay roof tiles were dislodged by high winds due to inadequate anchorage.
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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 roof has no sheathing, when the metal panels blew off there was no secondary protection

Wrong – This roof has no sheathing, when the metal panels blew off there was no secondary protection