2018-04-09 10:52 AM
2018-04-10 07:09 PM
2018-04-11 10:17 AM
LaszloNagy wrote:Myth confirmed
Yes, that is correct. Element Classification for Curtain Wall sub-elements is available only in AC20 and later. In prior versions you could change the Element Classification (and thus the IFC Object Type it was categorized into) only for the whole Curtain Wall, but not its sub-elements.