IFC 4.3.x development Pset_CoveringCommon Semantic definitions at the entity

Properties common to the definition of all occurrence and type objects of covering

Name Type Description
AcousticRating IfcPropertySingleValueIt is provided according to the national building code. It indicates the sound transmission resistance of this object by an index ratio (instead of providing full sound absorbtion values).
Combustible IfcPropertySingleValueIndication whether the object is made from combustible material (TRUE) or not (FALSE).
Finish IfcPropertySingleValueHere specification of the surface finish for informational purposes.
FireRating IfcPropertySingleValueFire rating for this object. It is given according to the national fire safety code or regulation.
FlammabilityRating IfcPropertySingleValueIt is given according to the national building code that governs the rating of flammability for materials.
FragilityRating IfcPropertySingleValueIndication on the fragility of the covering (e.g., under fire conditions). It is given according to the national building code that might provide a classification for fragility.
IsExternal IfcPropertySingleValueIndication whether the element is designed for use in the exterior (TRUE) or not (FALSE). If (TRUE) it is an external element and faces the outside of the building.
Reference IfcPropertySingleValueReference ID for this specified type in this project (e.g. type 'A-1'), Also referred to as "construction type". It should be provided as an alternative to the name of the "object type", if the software does not support object types.
Status IfcPropertySingleValueStatus of the element, predominately used in renovation or retrofitting projects. The status can be assigned to as "New" - element designed as new addition, "Existing" - element exists and remains, "Demolish" - element existed but is to be demolished, "Temporary" - element will exists only temporary (like a temporary support structure).
SurfaceSpreadOfFlameIfcPropertySingleValueIt is given according to the national building code that governs the fire behaviour for materials.
ThermalTransmittanceIfcPropertySingleValueNote: new property in IFC4