Barn Door (Size) Option Ad-On for DoorsThis listing is an add on to a standard door order, constructing the door to the additional width and height needed to utilize as a Barn Door. This listing does not include the Barn Door Hardware itself., just increase the build size of the traditional door you are ordering.**You will not need to select this option if the door youve selected is listed specifically as a barn door. This option will ad 4in to the overall width and 2in to the height of