| PredefinedType | T | IFCWindowTypeEnum(0=WINDOW 1=SKYLIGHT 2=LIGHTDOME 3=USERDEFINED 4=NOTDEFINED) | Integer | 
| Partitioning | P | IFCWindowTypePartitioning(0=SINGLE_PANEL 1=DOUBLE_PANEL_VERTICAL 2=DOUBLE_PANEL_HORIZONTAL 3=TRIPLE_PANEL_VERTICAL 4=TRIPLE_PANEL_BOTTOM 5=TRIPLE_PANEL_TOP 6=TRIPLE_PANEL_LEFT 7=TRIPLE_PANEL_RIGHT 8=TRIPLE_PANEL_HORIZONTAL 9=USERDEFINED 10=NOTDEFINED) | Integer | 
| IfcMaterial | M | IfcMaterialConstituentSet or IfcMaterial | Generic Data | 
| Lining Property | L | Lining Property | Generic Data | 
| Panel Properties | P | Panel Properties | Generic Data | 
| Height | H | Overall Height | Number | 
| Width | W | Overall Width | Number | 
| GlobalID | G | Global identifier (GUID) formated to IFC string syntax.  Automatic assignment if empty | Text | 
| Name | N | Name | Text | 
| Desc | D | Description | Text | 
| Tag | T | Tag | Text | 
| Type | U | User defined Type | Text | 
| Partition | U | User defined Partition | Text |