BASIC OPTIONS
Opening Type:
Choose between a door or window opening. Rough opening offsets are applied differently for each opening type.
Door
Window
Opening Width:
Nominal width of opening.
Opening Height:
Nominal height of opening.
Header Height:
Vertical postion of opening measured from bottom of stemwall to top of (nominal) opening.
Horz. RO Offset:
Offset added to the width at each side of the door opening.
Vert. RO Offset:
Offset added to the height at the top of the door opening.
RO Offset:
Offset added to the width and height of the window around the entire perimeter.