topic AC roof becomes ifcslab when exporting from AC15? in Collaboration with other software https://community.graphisoft.com/t5/Collaboration-with-other/AC-roof-becomes-ifcslab-when-exporting-from-AC15/m-p/203118#M25329 <DIV class="actalk-migrated-content"><T>I tried the default classification as well as selecting the roof and choosing ifc roof type...but the exported roof becomes an ifcslab...!?<BR /> /Mats</T></DIV> Fri, 11 Nov 2011 13:20:39 GMT Mats_Knutsson 2011-11-11T13:20:39Z AC roof becomes ifcslab when exporting from AC15? https://community.graphisoft.com/t5/Collaboration-with-other/AC-roof-becomes-ifcslab-when-exporting-from-AC15/m-p/203118#M25329 <DIV class="actalk-migrated-content"><T>I tried the default classification as well as selecting the roof and choosing ifc roof type...but the exported roof becomes an ifcslab...!?<BR /> /Mats</T></DIV> Fri, 11 Nov 2011 13:20:39 GMT https://community.graphisoft.com/t5/Collaboration-with-other/AC-roof-becomes-ifcslab-when-exporting-from-AC15/m-p/203118#M25329 Mats_Knutsson 2011-11-11T13:20:39Z