Board Thread:General Discussion/@comment-24208224-20131201053921/@comment-24108228-20131202155514

I think we are assuming you cannot just climb over a wall. You would have to blow your way in.

Think of it as a mud hut, fireproofed roof, and fireproofed structure wall covering the door. If it was just a box of structure walls then there would be no problem, just climb over the walls.