Thin metal strips installed at joints and transitions in the building envelope to prevent water from getting in.
Flashing is thin sheet metal or other waterproof material installed at joints, transitions, and penetrations in the building envelope to prevent water infiltration. It is used at roof-to-wall intersections, around windows, at copings, and at any point where two different materials meet. Improper flashing is the leading cause of building envelope leaks and moisture damage.
The inspector found missing kick-out flashing at the roof-to-wall intersection, which had allowed water infiltration into the wall cavity for several years.
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