<t>Yes, perhaps I didn't explain well. I had one room where I wanted a lower ceiling, and when I selected the floor and requested "add ceiling" the ceiling was too high, despite all the surrounding walls being set to the lower height. Since you mentioned floors, I noted that I had inadvertently ...

<t>Have 8' ceilings selected through Sweet Home floor option which seems to work well. Now have an adjacent covered porch with 88" walls and a separate floor and selected the 'show ceiling' option, but the ceiling is too high, i.e. it appears to be at 96". Have tried tweaking the wall locations, etc ...