The types in detail

IfcBeam: Downstand beam, upstand beam, horizontal beam.

IfcChimney: Fireplace, chimney.

IfcColumn: Column or pillar, vertical supporting element.

IfcFooting: Foundation, footing, usually spread.

IfcPile: Pile, deep footing.

IfcRamp: Straight or spiral ramp; can be a single component or composed of a number of constituent parts (flight, landing, railing, ...). Unlike the other tools, this tool does not assign the object type automatically.

IfcRoof: roof. The object type is the container including the constituent parts of the roof (covering, supporting structure).

IfcSlab: slab or floor slab. The load-bearing layer gets the Slab IFC object type. You must create coverings and linings as separate components and assign the IfcCovering object type to these components. Landings of ramps and stairs also get the IfcSlab type. To identify these components as landings, you can assign the PredefinedType = Landing additional attribute.

IfcStair: Stair or stair flight; can be a single component or composed of a number of constituent parts (step, stringer, landing, railing, ...).

IfcWall: Wall.