| IFC Host | H | IfcProduct host including IfcElement, IfcSite, IfcBuilding, IfcBuildingStorey or IfcSpace | Geometry |
| IFC Element Parameters | P | IFC Element Parameters including Name, Description, Identifier etc | Generic Data |
| IfcCurtainWallType | T | IfcCurtainWallType | Generic Data |
| Offset | O | Offset Distance | Number |
| Positive Direction | D | Positive Direction | Boolean |
| Wall Path Curve | P | Wall Path Curve | Curve |
| Wall Height | H | Wall Height | Number |
| Clippings | C | Half Spaced Solid and Swept Area solid Clipping Shape Representations not implemented yet!!! | Geometry |