https://community.graphisoft.com/t5/Modeling/Holes-in-wall-should-not-be-there/m-p/32360#M16048 I can't tell much from your picture (it's kind of dark), but is the element above a column? Columns project continuous holes in walls and that would cause what you describe. The wall and column would be considered intersecting if they overlap regardless of the SEO. You may be able to change the intersection priorities to fix it. Wed, 18 Apr 2007 13:32:06 GMT Anonymous 2007-04-18T13:32:06Z https://community.graphisoft.com/t5/Modeling/Holes-in-wall-should-not-be-there/m-p/32359#M16047 <DIV class="actalk-migrated-content"><T>Please have a look at the enclosed picture.<BR /> <BR /> There´s a glass wall that is trimmed to the roof. But what is (hidden) above the roof creates holes in the above wall as shown on the picture.<BR /> <BR /> Why is that and what can I do about it?<BR /> <BR /> Thanks,</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/74000iB3ED45F9B666267B/image-size/large?v=v2&amp;px=999" border="0" alt="Bilde 2.png" title="Bilde 2.png" /> Tue, 23 May 2023 13:19:36 GMT https://community.graphisoft.com/t5/Modeling/Holes-in-wall-should-not-be-there/m-p/32359#M16047 Anonymous 2023-05-23T13:19:36Z https://community.graphisoft.com/t5/Modeling/Holes-in-wall-should-not-be-there/m-p/32360#M16048 I can't tell much from your picture (it's kind of dark), but is the element above a column? Columns project continuous holes in walls and that would cause what you describe. The wall and column would be considered intersecting if they overlap regardless of the SEO. You may be able to change the intersection priorities to fix it. Wed, 18 Apr 2007 13:32:06 GMT https://community.graphisoft.com/t5/Modeling/Holes-in-wall-should-not-be-there/m-p/32360#M16048 Anonymous 2007-04-18T13:32:06Z