https://community.graphisoft.com/t5/Modeling/Walls-Roofs-amp-Trimming-Elements/m-p/247421#M171032 Thanks Barry it worked! Mon, 28 Nov 2016 11:23:13 GMT Anonymous 2016-11-28T11:23:13Z https://community.graphisoft.com/t5/Modeling/Walls-Roofs-amp-Trimming-Elements/m-p/247419#M171030 <DIV class="actalk-migrated-content">Hi,<BR /><BR />I am using Archicad 20 but when I try and trim a wall to a roof using the connect, trim elements to roof / shell tool the top of the wall is showing through the roof as per the image below. What am I doing wrong?<BR /><BR />Please help!</DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/70862i634856709A094781/image-size/large?v=v2&amp;px=999" border="0" alt="Capture.JPG" title="Capture.JPG" /> Wed, 20 Mar 2024 09:17:52 GMT https://community.graphisoft.com/t5/Modeling/Walls-Roofs-amp-Trimming-Elements/m-p/247419#M171030 Anonymous 2024-03-20T09:17:52Z https://community.graphisoft.com/t5/Modeling/Walls-Roofs-amp-Trimming-Elements/m-p/247420#M171031 The strength of the Building Materials you have used in the wall is stronger than those you have used in the roof.<BR /> <BR /> Barry. Mon, 28 Nov 2016 09:47:25 GMT https://community.graphisoft.com/t5/Modeling/Walls-Roofs-amp-Trimming-Elements/m-p/247420#M171031 Barry Kelly 2016-11-28T09:47:25Z https://community.graphisoft.com/t5/Modeling/Walls-Roofs-amp-Trimming-Elements/m-p/247421#M171032 Thanks Barry it worked! Mon, 28 Nov 2016 11:23:13 GMT https://community.graphisoft.com/t5/Modeling/Walls-Roofs-amp-Trimming-Elements/m-p/247421#M171032 Anonymous 2016-11-28T11:23:13Z