Thank you all, I needed the variety of answers to help me realize full possibilities in this first attempt of mine at Geometry Nodes.
So I ended up doing my own set of nodes. The following works best for my purposes and I realized it with few nodes.
The ultimate purpose is to combine with Blender BIM and represent layered walls.
For this reason I made a group node of the total and added the thickness of the layers as input parameters, so that I can input the wall layer thickness from the BIM Ifc data.
