Series SU Frames

Standard Frames with Unequal Rabbets for Masonry, Wood or Metal Stud Walls

Series SU frames have precision die-cut corners with positive locking tabs to assure rigid assembly connections. Available from stock in hundreds of profiles and dimensions in either knock-down or set-up & welded.

• For masonry, wood or metal studs wall, installed either to cap or butt the wall. Three or four piece door frames, Borrowed Lites, Side Lites, or Transom Frames.
• In-stock frame depths:
  ~ 4-3/4", 5-3/4", 6-3/4", 7-3/4", 8-3/4"
• In non-stock sizes from 4-5/8" thru 14" depths.
• Unequal rabbets
• 16 and 14 gage steel (14 gage optional)
• Available Knock-Down or Set-up and Welded.
• High recycled steel content for LEED points up to 58.8% 

Fire label :

• Up to three hours(UL10B and UL10C)
  ~ Underwriters Laboratories(Applied or Embossed)
  ~ Warnock Hersey (Applied or Embossed)
  ~ Factory Mutual(Applied only)
• Up to four hours
  ~ BS476 Part 22

Hinge preparations:

• ANSI A156.7, 4-1/2".

Strike preparations:

• ANSI 4-7/8" universal A115.1 and 2