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MDI® Door is a Certified Green Site

Your Source for Architectural & Commercial Grade Doors, Frames, Hardware & Accessory Products

...Standard & Custom Engineered Doors & Frames


ADJ-47: 4 1/2” - 7 3/4" Throat

ADJ-711: 7 1/2" - 12 1/4" Throat


Metropolitan Door Industries offers a full range of standard and custom hollow metal frames in various sizes and profiles.  One of our most popular frames is our Adjustable Profile.  Our Adjustable knock-down frame is available in two sizes:


Þ   ADJ-47:  Adjusts from 4 1/2" - 7 3/4" throat size

Þ   ADJ-711: Adjusts from 7 1/2" - 12 1/4" throat size

See Illustration No. 1.

   MDI® Adjustable KD Frames

MDI® Adjustable KD Frames


  • 16 gauge A40 Galvanneal steel.  G90 galvanized is optional.                           

  • Prepared for use with 1 3/4” (45 mm) thick doors. 

  • Knock-down (KD) construction only.

  • Hinge jambs are prepared and reinforced to receive 4 1/2” x 4 1/2” (114 mm x 114 mm) butt hinges. 

  • 10 ga. high frequency dual purpose hinge reinforcement with return bend for added strength and rigidity.Metropolitan Door Adjustable KD Corner Profile

  • Hinge reinforcements can be easily field converted to accommodate heavy weight hinges.

  • Strike jambs are prepared & reinforced (12 ga.) to receive one standard 4 7/8” (124 mm) strike in accordance to ANSI A115.1.

  • 2” face (or trim) dimension is standard on all MDI® frames.

  • Hinge jamb, strike jamb, and head are “punched & dimpled” through the face (on both sides) of the frame for installation.  See Illustration No. 2.

  • 16 gauge closer reinforcement standard on fire labeled frames.

  • Standard 1/2” return bend profile with drywall return.

  • Fire rating: 3/4, 1 1/2, available.  Some restrictions do apply.

  • Fire labeling: WHI and UL.

  • Application: Most commonly used in commercial applications.


Illustration No. 1. Illustration No. 2.







Adjustable Throat:

ADJ-47: Adjusts from 4 1/2" - 7 3/4" Throat

ADJ-711: Adjusts from 7 1/2" - 12 1/4" Throat


Adjustable KD HM Frame (80KB)

This catalog cut sheet page is out of date and will be updated soon to reflect the new adjustment sizes.


Need assistance, contact us.

Metropolitan Door Industries Corp.

350 Thorens Avenue

Garden City Park, NY 11040  

MDI® Office Hours:

Monday to Friday

8 am to 5 pm EST

Toll Free: 1-888-634-3667


Local: 516.294.1801

Fax: 516.294.1828

Copyright © 1999-2013 Metropolitan Door Industries Corp.

® MDI and the MDI designed logo are registered trademarks of Metropolitan Door Industries Corp.