If you need a lighter color roof though the roof lines show on it and look odd.
													
																	Sims 4 flat roof trim. 
									
	
		
	
																	If you then color it black and apply a strong roof trim you can achieve the modern look with a thicker roof than using the first option. 
																	Replacing the interior trim re draws the interior trim. 
																	Adding a trim to the roof adds that finishing touch and can hide what may have been an unattractive area where roof meets wall. 
																	Replacing the half wall with a full wall does not remove the interior trim. 
															
													
									
	
		
	
																	Once its in place you can apply edging or fencing to give it some volume. 
																	I have a screen i will post when i get a chance. 
																	3 shows roof top after half wall deleted. 
																	Once selected just click anywhere on a section of roof to apply the trim. 
															
													
									
	
		
	
																	Use the flooring tool next to the wall tools. 
																	Hover over each trim to access the color palate for that trim and make a selection. 
																	2 22 2020 here s a screenshot of my house having this issue on the current patch. 
																	Don t put in a roof. 
															
													
									
	
		
	
																	Although the sims 4 has made building houses better than ever it s still a bit tricky to make your dream home. 
																	The trim i ve used and seen it happen on is the fine thatch roof trim. 
																	Sections of roof trim will just be black. 
																	View entire discussion 6 comments. 
															
													
									
	
		
	
																	2 shows what happens when section of half wall is deleted. 
																	Bog square shaped icon with no walls on the upper floor and then add a trim fence half wall nothing etc. 
																	This is happening on ps4 also with 1 20. 
																	There s lots of little hidden things when it comes to roofs hopefully this will help. 
															
													
									
	
		
	
																	You will need to add the trim to each roof piece separately.