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Forums >> Revit Building >> Technical Support >> Parallel walls join geometry do not cut opening

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Thu, Jan 30, 2020 at 10:28:33 PM | Parallel walls join geometry do not cut opening




Joined: Wed, Mar 15, 2006
50 Posts
3.5 Stars: 3 Votes


I had that problem many times but never ask the question, Really want to know.

If i model a wall next to another wall (say wall tile wall next / parallel to stud wall) and join them together that usually automatically cut the door or window as it treats them as one wall.

Sometimes it fails to do it and I have to change the geometry to cut the second wall for opening, its an extra step. What is a reason for not cutting?

I also noticed it happens when the walls are in different phases so new wall will not join side by side with existing but alo in new phase.


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Fri, Jan 31, 2020 at 10:22:08 AM | Parallel walls join geometry do not cut opening



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Joined: Tue, May 16, 2006
13079 Posts
3.5 Stars: 388 Votes

The reason the opening doesn't cut is usually the two walls are not really touching each other. 

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Fri, Jan 31, 2020 at 1:32:48 PM | Parallel walls join geometry do not cut opening



pijpiwo Avatar

Joined: Fri, Sep 3, 2010
0 Posts
5 Stars: 25 Votes

Some door/window manufacturers use void extrusions in their families. It will cut only host wall – some family modification is need to make it cut more than one wall. When wall opening object is used in lieu of a void, it will cut all joined walls. Check your family, or upload it, so we can check it out for you.

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