You can create a room manually. This tool is useful e.g. for defining rooms as balconies where boundary walls may be partially missing.
The room is associated to the polygon lines. This means the room follows the modification of the polygon automatically or after the refreshing.
Finishing surfaces can be assigned to room sides defined by polygon
Location: Building - Room and Area - Room by polygon
1. Specify a polygon to define the room boundary.
2. Enter the room height.