Stacked walls are comprised of two or more subwalls stacked on top of each other. Revit contains one stacked wall system out of the box. It cannot be purged so the two walls that make up this stacked wall cannot be purged either. To create another stacked wall first make sure the two walls to be used are created. Any sweeps, reveals or modification need to be set up first. Next, the original stacked wall type will have to be duplicated and named. Then you go to the Edit… button to set your new stacked wall up.
In the Edit Assembly dialog box click the Preview button so you can see your wall’s section. Check the Offset: for the alignment of the two walls that you need. Core Centerline may not be what you want. It could be Core Face: Exterior instead. Then you just replace the two wall types that are there with your two wall types. You can add more with the Insert button.
Once you have your walls in place take note that only one can be a Variable in the Height section. If more than two walls make up your stacked wall then you have to set values on all Height sections except one. Check that Offset: and if you need one edge to not exactly line up use the Offset values in the table to move one forward or backwards.
Now that you understand stacked walls you no longer must place more than one wall to mimic stacked walls.
For the guidelines about Stacked Walls check out this:
https://help.autodesk.com/view/RVT/2020/ENU/?guid=GUID-F83E780E-79DD-49BD-8ACC-6BD1745D9407
There is a lot more information there like how a sub wall can have a sweep but a stacked wall cannot.
Hope this helps someone out there.
Here is the link to the Community Conversation that sparked this blog post, Revit Hints & Hacks: Breaking Down Walls.
Donnia Tabor-Hanson aka CADMama
Revit Family Counselor
Twitter @DonniaTH
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