Short version: We only prep doors automatically when you order them as Prehung. If you order a Slab, you can still request door machining (hinge mortise, lock bore) for doors made by US Door & More Inc.
What each option means
| Option | What you get | Best for |
|---|---|---|
| Prehung | Door mounted in a frame (jambs) with hinge mortises and optional lock bore. Ships assembled for faster install. | Fastest installation, fewer variables on site. |
| RTA (Prehung Kit) | “Ready-to-Assemble” prehung unit shipped unassembled to reduce size/shipping. Includes door, jamb parts, hardware prep locations. Assembly happens on site. | Tight job sites, stairwells, or when you want lower freight risk/size. |
| Slab + Machining | Door only. We can machine hinge mortises and/or lock bores to your specs. | Replacing a door in an existing frame (you keep your jamb). |
How to order
- Prehung: Choose the Prehung option on the product page (includes hinge mortise; optional lock bore).
- RTA (Prehung Kit): If available on the model, select RTA / Prehung Kit for a flat-packed unit you assemble on site.
- Slab + Machining: Order the door as a Slab, then submit the Machining Request Form with your hinge and lock specs.
Pricing notes
- Machining upcharge: Additional charge per operation (hinge mortise, lock bore, or both).
- Final cost depends on door model, size, and selected prep.
Quick picks
- Want fastest install? Prehung.
- Tight access or freight efficiency? RTA (Prehung Kit).
- Keeping your existing jamb? Slab + Machining.
FAQ
Do you prep every door by default?
No. We only prep automatically when you order Prehung. Slabs can be prepped by requesting machining.
What information do you need to machine a slab?
Handing, hinge size/locations, backset, bore size, and lock type. Add all details in the Machining Request Form.
Is RTA the same as a “prehung kit”?
Yes—RTA (Ready-to-Assemble) prehung kits ship unassembled for easier handling. You assemble the jambs and hang the door on site.
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