what is the name for a flashing above a window
Transom .
Valance
a header.
pediment, window pediment, crosshead pediment
The horizontal beam above a door or window is sometimes called a lintel. This part of the door or window is a portion of the frame in most cases.
This is called a "transom". In the U.S., this name applies if the window is fixed or if it opens.
Usually found above the driver's side window on a metal plate.
Rear Deck.
a crown
Window Up Above was created in 1975-02.
A process called UNI-SAN 6500 that fuses glass and metal was made available in viewing windows from Jacoby-Tarbox. The process is reported to eliminate common causes of window breakage.