https://community.graphisoft.com/t5/Modeling/Wall-Materials-not-joining-claning-up/m-p/262017#M166597 Check that the wall reference lines are actually touching each other.<BR /> If they are then check the 'Legacy' settings in the Options menu.<BR /> <BR /> If the Legacy is already off, then it is probably an issue with Building Material strengths or more likely the walls are in different layers and each layer has a different intersection priority number (or it is set to zero if they are in the same layer) - this will prevent them from trimming.<BR /> <BR /> Barry. Fri, 16 Nov 2018 00:48:44 GMT Barry Kelly 2018-11-16T00:48:44Z https://community.graphisoft.com/t5/Modeling/Wall-Materials-not-joining-claning-up/m-p/262016#M166596 <DIV class="actalk-migrated-content"><T>Is there is some simple setting i cant find so that the materials join without showing the gypsum running through the middle of the adjoining wall?</T></DIV> Fri, 19 May 2023 20:41:37 GMT https://community.graphisoft.com/t5/Modeling/Wall-Materials-not-joining-claning-up/m-p/262016#M166596 Anonymous 2023-05-19T20:41:37Z https://community.graphisoft.com/t5/Modeling/Wall-Materials-not-joining-claning-up/m-p/262017#M166597 Check that the wall reference lines are actually touching each other.<BR /> If they are then check the 'Legacy' settings in the Options menu.<BR /> <BR /> If the Legacy is already off, then it is probably an issue with Building Material strengths or more likely the walls are in different layers and each layer has a different intersection priority number (or it is set to zero if they are in the same layer) - this will prevent them from trimming.<BR /> <BR /> Barry. Fri, 16 Nov 2018 00:48:44 GMT https://community.graphisoft.com/t5/Modeling/Wall-Materials-not-joining-claning-up/m-p/262017#M166597 Barry Kelly 2018-11-16T00:48:44Z