IFC (IFC4X3_ADD2) under development Pset_OpeningElementCommon Semantic definition

Properties common to the definition of all instances of IfcOpeningElement. Applicable entities Properties

Name Property Type Data Type Description
Reference IfcPropertySingleValue IfcIdentifier

Reference 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 and no classification reference to a recognized classification system used.

Status IfcPropertyEnumeratedValue PEnum_ElementStatus

Status 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).

Purpose IfcPropertySingleValue IfcLabel

Indication of the purpose of this object

E.g. 'ventilation' or 'access'

FireExit IfcPropertySingleValue IfcBoolean

Indication whether this object is designed to serve as an exit in the case of fire (TRUE) or not (FALSE).

Here whether the space (in case of e.g., a corridor) is designed to serve as an exit space, e.g., for fire escape purposes.

FireRating IfcPropertySingleValue IfcLabel

Fire rating for this object. It is given according to the national fire safety classification.

Requirement for the element filling the opening.

AcousticRating IfcPropertySingleValue IfcLabel

Acoustic rating for this object. It 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 absorption values).

Requirement for the element filling the opening.


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Is this page difficult to understand? Let us know! Changelog IFC4

  • property, Status
  • property, ParallelJambs
  • property ProtectedOpening, Changed from "single IfcBoolean " to "single IfcBoolean" IFC4.3_DEV_a2a825a

  • property, AcousticRating
  • property, FireRating
  • property, ProtectedOpening