this level of int fixing is above my paygrade, not sure what the best solution is. 

https://i.imgur.com/0V48s5w.png

see pic for the problem, there are gaps on all sides when you look up, I couldn't find a good example in game of how it's supposed to be

this is the same problem
https://www.tamriel-rebuilt.org/bugtracker/hole-ceiling-ebon-tower-sewer...