Have "Deluxe" version 4.0 and aren't able to put a ceiling in a one-story structure. When I go to look at it in a 3D format, I see vaulted ceilings which are not what I want. What am I overlooking?
Since it's more easier to see with your own eyes how the procedure should be done, I recommend checking the User Guide file hosted on the Scribd. More exactly you need to look at the Chapter 5: Drawing & Editing Basics. At the page 22, you will see how to work and add the ceilings.
Note: You can use the Search function to get there faster. The document isn't protected.