

These interior hollow metal doors with slip-on frames are designed to retrofit 2x4 wood stud drywall openings finished with 5/8" drywall on each side. The slip-on frame sleeves over the wall for a precise, professional fit — making installation fast, clean, and ideal for interior renovations.
Perfect for schools, healthcare facilities, offices, and tenant build-outs, these doors are engineered for quick interior upgrades where existing 2x4 stud drywall openings require durable, long-lasting replacements.
| Application | Retrofit into existing 2x4 wood stud drywall openings |
|---|---|
| Wall Build | 2x4 studs with 5/8" drywall each side (≈ 4-7/8" overall) |
| Frame Style | Slip-on retrofit frame (knock-down) |
| Door Skins | 18-gauge galvannealed steel, prime gray finish |
| Core | Polystyrene insulated (non-rated standard), mineral core optional |
| Lead Time | 3–4 weeks (standard production) |
| Origin | USA Made |


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