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I'm not sure what you are asking, exactly. Ceilings need to always be 1 elevation higher than floors. If you want a drop off from a higher elevation to a low elevation, the lower elevation's ceiling needs to be higher than the upper elevation's floor too.
If you want a level between Ceiling and ground you have to work with single floor/ceiling tiles.
THOM formaly known as tschrage _______________________________________________ My MOD (LoG1):Castle RingfortThread My MOD (LoG2):Journey To JusticeThread | Download
When you place multiple ceilings on the same tile, they all try to replace one another. You should have one true ceiling (at the top), the rest false (below), make a simple ceiling object:
Thanks DrVooDoo Batty! I was looking for a solution to this very issue recently - lo and behold, there's a forum post about it, simple and quick. Cheers!