• IR 501UT - Isometric
  • IR 501UT - Section Cut
  • IR 501UT - Intermediate Horizontal
  • IR 501UT- Sill
  • IR 501UT - Mullion
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IR 501T/501UT Framing

  • 2-3/4" (69.9mm) sightline
  • 5" (127mm) depth
  • High thermal or Ultra thermal performance
  • Center glazed
  • Blast mitigation, hurricane resistance

Product Features

IR 501T thermal framing systems and IR 501UT  (Ultra Thermal) framing system combines IsoLock™ thermal break technology with insulating impact resistant glazing to provide the ultimate in occupant safety and comfort.

Key Features Include:
  • IR 501T/501UT is 5" (127) deep and has a 2-3/4" (69.9) sightline / Expansion mullions have a 3" (76.2) sightline
  • 2-piece or 3-piece mullion options
  • Screw Spline fabrication
  • IR 501T has an IsoLock™ lanced pour and debridge thermal break
  • IR 501UT has a dual IsoLock™ lanced pour and debridge thermal break
  • Center set
  • Outside glazed
  • Permanodic™ anodized finishes
  • Painted finishes in standard and custom choice
 
Optional Features:
  • Integrated entrance framing
  • 350/500 IR Medium Stile - single or pairs of entrances
 
Product Applications:
  • Impact resistant
  • Storefront, ribbon window or punched opening
  • Low- to mid-rise
  • Single span
 
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