| Entité | Attributs |
|---|---|
| IfcMaterialDefinition | HasExternalReferences, HasProperties |
| IfcMaterialLayer | Material, LayerThickness, IsVentilated, Name, Description, Category, Priority, ToMaterialLayerSet |
| Nom | Type |
|---|---|
| OffsetDirection |
IfcLayerSetDirectionEnum : Layer Set Direction Enum
AXIS1, AXIS2, AXIS3 |
| OffsetValues | IfcLengthMeasure |