I wanted to make a brick wall with grout. I used VDBs and polyreduce to have grout that matches the brick wall. When I boolean the brick with the grout to punch holes I get a result that looks right. Once I use the explodedview sop I can see it's split in 2 meshes. The outside and the inside.
I tried using a fuse with a small value but it just doesnt work. Could the problem be that I'm using a too complex operation? maybe I should boolean one brick at a time?
It looks like the explodedview sop was causing the problems. Right before that node, when I use a group sop set to unshared edges (points), it selects nothing. So the mesh was actually fine.