Yes for automatic trimming (Priority Based Connections), the strongest Building material will dominate.
Otherwise you have to resort to manual trimming which can sometimes be tricky as walls will automatically try to connect reference lines, unless you specifically cut/split them where you want and delete the bits no longer needed.
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