Options menu > Project Preferences > Legacy...
If you are using single roof planes and getting the true 3D top view then you will see the top and bottom surface edges of the roof if the bottom surface is larger than the top (i.e. edge not vertical).
Multi-plane roofs you never will because all planes join together automatically.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11