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 framing system 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 standard or GLASSvent® windows  are easily incorporated