A tag to enable "move over a structure" behavior

Currently, there are two ways to enable movement through (or over) a structure - LaserFence=yes or Firestorm.Wall=yes. One could want to use such for a land mine or some kind of underground structure.

First one will make the building immune to weapons and in case it has a weapon/death weapon it will force an electro infantry death animation.

Second one is an important logic to sacrifice and some would possibly want to have both firestorm and a land mine objects can move over.

Unless someone has an idea for a workaround, I'd like to request a new tag for buildings to enable such behavior.