I don't use these door objects but having a quick look I think this will work.
Set a 'double rebate' to the frame and adjust the sizes so it is symmetrical to the frame thickness.
Then place 2 complete doors with frames.
Barry.
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10