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Doors > Commercial Doors > Expandable Steel Frames

Expandable Steel Frames

The Benefits of Expandable Steel Frames



Fully Expandable & Reversible:
 

Over 3" of expansion fits any wall thickness from 4-1/2" to 7-5/8". Stocking is simplified and many installation costs are eliminated. 
No handling is required.

One-Piece Design:

Side Jambs and header are each of one piece. No need to choose various extension sections. No loose pieces to lose or damage. 

Strength:

The strength of 18 g. steel and the safety of 90 minute fire rating for both single and double door units. 

Long Life:

The long term protection of hot-dipped galvanized steel: an excellent base for the finish of your choice. 

Specifications:
  • Heights: 6'8" and 7'0"
  • Widths: 2'0" to 6'0" (standard Widths)
  • Rabbet: 1-3/4"
  • Fire Rating: 90 minute (W.H.I.) for single and double openings
  • Machining: prepared for 3 x 4'1/2 screw-on butts and single 2-3/4" T-strike for self tapping screws. ANSI 4-7/8" prep. available as option. Deadlock strike and closer or panic reinforcing optional.
  • Finish: hot dipped galvanized 18 g steel.
  • Anchoring System: 14 x 2-1/2" #8 drywall screws
  • Rough openings: door width plus 1-3/4", door height plus 2" from finished floor