Pre-Hung Doors: Typical FeaturesMortises cut in the doorShimsPre-cut hole for the doorknob

Do all doors come pre hung?

Pre-Hung Doors: Typical FeaturesMortises cut in the doorShimsPre-cut hole for the doorknob

What's the difference between a slab door and a Prehung door?

A Slab Door is a rectangular slab of wood, fiberglass or steel. It is the door by itself without frame, hinges and hardware. A Pre Hung Door comes with everything needed to install and setup. It is a door slab that comes with its own frame and hinges.