A prehung door is a door that’s sold by the manufacturer “ready-to-go.” These slab doors already come with hinges attached to a three-sided frame and, while they may need some additional features, are generally sold as a complete package.
Prehung door sizes are available in a wide range and they come in a variety of materials. You can order a prehung door in wood or wood composite, metal or fiberglass. They’ve typically got several features such as the actual door slab, the three-sided frame, the hinges (attached to the door and frame), pre-cut mortises, a pre-cut door knob and pre-cut holes on the doorframe for the strike plate.
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