Repeat on all four edges.
How do you build a roof in sims 4.
Keep dragging until you are happy with the length.
Adjust it to be flush against the wall of the room and pull it up to the same height.
Houses coming soon.
Build a smaller room on the roof about one or two squares from the edge of the building.
3 some ideas to get you started tower.
Add a half hipped roof along one edge.
One of the biggest problems with building a tower in the sims 4 was that you were often forced to use a 4 sided roof piece.
If you like a more classic second empire look to your home you can try building a mansard roof.
Best built on square or rectangular buildings start with a room on the roof level two or three squares in from the edge.
Quik tutorial how to make a flatroof in the sims 4 as for now you cant use the cheat constrainfloorelevation false like in the sims 3.