Basic Wall with Multiple Stacked Components

[BigPicture045]

I am trying to modify the shown stock wall. I need to remove the lower portion but would like to keep the rest the same. It is not a stacked wall system so I am confused about where to edit it. 

[barthbradley · Accepted solution]

https://knowledge.autodesk.com/support/revit/learn-explore/caas/CloudHelp/cloudhelp/2019/ENU/Revit-M...

[BigPicture045]

Very cool, thanks @barthbradley .