Modified acrylic with pigment color all the way through the acrylic. Limited colors produced. All other face color options are white solid color acrylic with graphics applied.
Full color graphics applied to the acrylic.
Perforated vinyl applied to face to show chosen color during the day and color of lighting during the night, usually white at night.
Letters are installed directly on building surface. Wiring for each letter passes through the wall to which letters are attached. Electrical connection penetrates the wall behind each letter. In most cases installed above a drop ceiling or other hidden area inside the building.