Dollar coins have never been very popular in the United States since the removal of specie coins from circulation. Despite efforts by the government to promote their use, such as the Presidential $1 Coin Program, most Americans currently use the one-dollar bill rather than dollar coins.
Width and Height. An interior passage door is any door that you use to move from one room to another, and the code requires these to be 80 inches in height. Because this corresponds to 6 feet 8 inches, door manufacturers refer to this as a 6/8 door.
Some door manufacturers sell doors in 7ft & 8ft heights and door widths from 24 inches to 42 inches. The height for fiberglass or steel doors are fixed at 6 ft. 8 inches tall and 8 ft. tall. The standard door thickness is 1 Â¾ inch.