| ReinforcingBarType | T | ReinforcingBarType(0=NOTDEFINED 1=USERDEFINED 2=MAIN 3=SHEAR 4=LIGATURE 5=STUD 6=PUNCHING 7=EDGE 8=RING 9=ANCHORING 10=SPACEBAR) | Integer |
| Diameter | D | Nominal Diameter | Number |
| Area | A | Optional Cross Section Area consistent with model units typically metres | Number |
| Length | L | Optional Bar Length | Number |
| Textured | T | Optional Textured | Boolean |
| IfcRep | R | Optional IFC Representation Map | Generic Data |
| GlobalID | G | Optional Global identifier (GUID) formated to IFC string syntax. Automatic assignment if empty | Text |
| Name | N | Name | Text |
| Description | D | Optional Description | Text |
| Tag | T | Optional Tag | Text |
| Type | U | Optional User defined Type | Text |