IFC Syntax : Building Elements

A building element is a physical part of the construction : a wall, a slab, a door. This skill covers the concrete element entities, their type objects and PredefinedType enumerations, how an element is placed into the spatial structure, and the opening / void / fill triad used for a door or window in a wall.

Applies to IFC2x3, IFC4, and IFC4.3. The abstract supertype was renamed across versions : see Version Differences.

Quick Reference

The element supertype and the hard rename

Every concrete building element is, through inheritance, an IfcElement and an IfcProduct (so it carries ObjectPlacement and Representation). The direct abstract supertype changed name :