Window / door for walls and skylight for roof.
I believe that if you do not script a WALLHOLE the it will automatically place one based on the A & B lengths.
So maybe just script one with a zero size or is outside the wall thickness.
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