android tv

What does it do?
Gives you more granular control over the calculation of wall and opening area

The results you get are divided according to an area value you can set. All the openings below that Maximum value are stored as Opening Area Smaller Max, and the total openings area are added to the Opening Area Parameter. Now, you can schedule this parameters and get the Gross area of the wall by playing with calculated parameters.
Heads-up and more info from here



Where can you get it?
From here

You can use the Wall Opening tool to allow Revit Room elements to flow between spaces.  Other methods are not very reliable or just will not work.  So, don't forget about this little button on the Ribbon:



Tip via:
Non Room Bounding Wall Opening - Autodesk Discussion Groups