A Roof
Wayne went on to take all of the necessary precautions to install a stable roof. He added a ton of framework to support his roof. His goal was to have the bunker blend in with the rest of his yard, which is why he dug the hole a little deeper.
More than Just a Roof
The roof of Wayne’s bunker was going essentially be underground. That’s why it was so important for him to lay down heavy sheets of metal all across the roof’s framework so that it’s stable enough to support the weight of a person or dog.