Creating a filled region at the location of a selected wall

Hi @serenitynow and welcome to the forum, yes it should be possible Genius Loci have some great nodes for layers or you could try part your walls and fill the parts with filledregion, but not sure i like that kind as the wall itself have layer color/pattern itself

Hi again,

I tried to go with your logic of figuring out with the layers but I
could only get to the part where I got information about the wall. As in the what material is each layer and what is the with of each layer. I couldn’t figure out how to continue. (sorry I’m pretty new with dynamo)

Hi @serenitynow its another topic, please create a new and share a rvt sample and your dyn so far, thanks