A popular way for burglars to gain entry to a house is to kick in a door. The door and/or the door frame split apart after a few kicks. And the door can swing wide open.
Let's shift gears and go to that GermanWings Airbus that crashed into the side of a mountain. According to reports, the pilot couldn't regain entrance even after beating on the door with an ax. It's hard to come up with any good news from that story, but we have to acknowledge that that door was one tough momma.
I want one. Oh, and I guess I'd better get the frame to go with it.