Use this procedure to remove a frame edge from a curtain wall unit. There are three ways to remove a frame edge:
The first two methods remove the frame edge and expand the adjacent infills into the space occupied by the edge.
Specifying a frame width and depth of zero
By specifying None as an override, the frame edge is not displayed, but the adjacent infill is not expanded into the space the edge occupied.
Overriding a frame edge definition