Lawrence Hardware

Model 7200 Fire Rated Keyed Removable Mullion

For use with Fire-Rated Rim Exit Devices on fire-rated pairs of doors


Mullion Tube

  • 2” (51mm) wide x 3” (76mm) deep, with wall thickness of 1/8” (3mm) 11 gauge.

Mullion Size

  • 2 sizes 7’ (2134mm) and 8’ (2438mm)
  • Mullion can be cut in the field as required


  • Use a rim cylinder, model 426 or a interchangeable core, model 308 (sold separately)

Top Bracket

  • Stainless Steel (model 752F).  Using key allows mullion to be removed in seconds. 
  • Mullion can be locked into top bracket easily without using key.

Bottom Bracket

  • Stainless Steel (model 755F).  Fixed by 4 hex bolts and anchors


  • 1/2” (13mm) and 5/8” (16mm) shims included


  • Each mullion includes the following fasteners:
  • 2 Flat Head Machine Screws, 5/16-18 x 1-1/2” Stainless Steel
  • 4 Flat Head Machine Screws, 5/16-18 x 5/8” Stainless Steel
  • 4 Hex Head Machine Screws, 5/16-18 x 1-1/4” Stainless Steel
  • 4 Expansion Anchors, 1/2” Diameter x 1-1/2” long Steel


Use 2 (sets) of mullion strikes (688) and strike hooks (689) sold separately.


  • Powder coated gray only.


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Lawrence Hardware
676 Petrolia Road, Toronto, ON M3J 2V2
Business Hours

Mon - Thur: 8:30am to 5:00pm
Fri: 8:30am to 1:00pm

Mon - Thur: 7:00am to 4:00 pm
Fri: 7:00am to 1:00pm
Shipping & pickup can be arranged based on these hours.

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