4.1.5.5 Element Filling

Elements such as doors and windows may be placed inside openings of walls, slabs, or other elements.

The following diagram shows the generic classes and relationships used when applying this concept. In addition, concepts may have particular importance to common or standardised industry practices and scenarios. For these specific usage scenarios, the table below shows a recommended list of general usage patterns that users may adopt.

Figure 4.1.5.5.A

General Usage

ApplicableEntity	Type IfcRelVoidsElement.RelatingBuildingElement
IfcJunctionBox	IfcCovering

Table 4.1.5.5.B

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