https://community.graphisoft.com/t5/Collaboration-with-other/IFC-Mapping-Building-Material-Custom-Properties-and/m-p/220033#M28138 Can you give a detailed example of what it is exactly you are trying to achieve? Mon, 09 Aug 2021 18:30:27 GMT Laszlo Nagy 2021-08-09T18:30:27Z https://community.graphisoft.com/t5/Collaboration-with-other/IFC-Mapping-Building-Material-Custom-Properties-and/m-p/220032#M28137 <DIV class="actalk-migrated-content"><T>Its been years since i dug into IFC mapping.... and it was way before Building Materials came on-line<BR /> It looks like in V25 that the default IFC mapping does not pick up properties or classifications assigned to Building Materials. I assume it is possible to map this information into the IFC export.<BR /> Am I correct in thinking this?</T></DIV> Mon, 09 Aug 2021 14:21:45 GMT https://community.graphisoft.com/t5/Collaboration-with-other/IFC-Mapping-Building-Material-Custom-Properties-and/m-p/220032#M28137 gdford 2021-08-09T14:21:45Z https://community.graphisoft.com/t5/Collaboration-with-other/IFC-Mapping-Building-Material-Custom-Properties-and/m-p/220033#M28138 Can you give a detailed example of what it is exactly you are trying to achieve? Mon, 09 Aug 2021 18:30:27 GMT https://community.graphisoft.com/t5/Collaboration-with-other/IFC-Mapping-Building-Material-Custom-Properties-and/m-p/220033#M28138 Laszlo Nagy 2021-08-09T18:30:27Z