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      • Trifab 451UT Framing System- Front Isometric
      • Trifab 451UT Framing System - Back Isometric
      • Trifab 451UT Framing System - Left Jamb
      • Trifab 451UT Framing System - Head
      • Trifab 451UT Framing System - Intermediate Horizontal
      • Trifab 451UT Framing System - Sill
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      Trifab™ 451UT Framing System

      • 2" (50.8mm) sightline
      • 4-1/2" (114.3mm) depth
      • Ultra thermal performance
      • Blast mitigation
      • Center glazed

      Product Features

      Trifab™ 451UT (Ultra Thermal) Framing System provides improved thermal performance to increase energy efficiency by employing a "dual" Isolock® thermal break.

      Key Features Include:
      • Trifab™ 451UT is 4-1/2" deep with a 2" sightline
      • Center Plane glass application
      • Flush glazed from either the inside or outside
      • Screw Spline fabrication
      • Dual Isolock™ lanced and debridged thermal break
      • Infill options up to 1-1/8" thickness
      • Permanodic™ anodized finishes in 7 choices
      • Painted finishes in standard and custom choices
      Optional Features:
      • High performance flashing
      • Acoustical rating per AAMA 1801 and ASTM E 1425
      • Project specific U-factors (See thermal charts in Architectural Detail Manual) 
      Product Applications:
      • Storefront, Ribbon Window or Punched Openings
      • Single-span
      • Integrated entrance framing allowing Kawneer standard entrances or other specialty entrances to be incorporated
      • Kawneer windows or GLASSvent™ are easily incorporated

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