#### 6.1.2.3 IfcSlabTypeEnum

This enumeration defines the available predefined types of slabs that can further specify an IfcSlab or IfcSlabType.

> HISTORY New enumeration in IFC2.0

Enumerated Item Definitions:

- FLOOR: The slab is used to represent a floor slab.
- ROOF: The slab is used to represent a roof slab (either flat or sloped).
- LANDING: The slab is used to represent a landing within a stair or ramp.
- BASESLAB: The slab is used to represent a floor slab against the ground (and thereby being a part of the foundation). Another name is mat foundation.

XSD Specification:

<xs:simpleType name="IfcSlabTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="floor"/>
<xs:enumeration value="roof"/>
<xs:enumeration value="landing"/>
<xs:enumeration value="baseslab"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>

EXPRESS Specification:

TYPE IfcSlabTypeEnum = ENUMERATION OF (
| FLOOR, ROOF, LANDING, BASESLAB, USERDEFINED, NOTDEFINED);
END_TYPE;

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