The following is a description of the Frame Style and Dimensions page of the Custom Settings Panel of Door or Window Settings, from the INT Archicad Library.
Natural Ventilation: Check this if the opening uses natural ventilation, then define its position: choose either “over Frame” or “over Glazing.”
In the fields below, define the height/width of the ventilation component profile (for each sash, if applicable.)
Set fill attributes for the Ventilation profile (in Section views) on the Floor Plan and Section page.