Hollow Metal Doors: Hollow metal doors are hollow core centered with a honeycomb fire proof material.

Steel Stiffened Doors (Ribbed): Steel stiffened doors are steel doors cored with steel stiffened ribs for maximum security.

Kalamein Doors: Kalamein doors are 26 gauge steel doors cored with a wooden skeleton.

Recessed Panel Doors : Recessed panel doors are kalamein doors with a built in recessed panel fitted with a metal cove moulding and cored with a steel recessed panel.

Welded Frames: typically used for either building into the frame or cementing into place., It is at the installer’s discretion.

Knockdown frames: typically used when the wall is already prebuilt and/or made out of wood/metal studs and sheetrock. Can be either made to wrap/cap the existing wall depth, or the frame can sit flushed (evenly) with the wall depth. It is at the installer’s discretion.

Angled or Z-Bar frame: used when the existing metal frame cannot be removed and is uneven in width; these frames will sit in between the existing steel frame and the new door. It is at the installer’s discretion.