Trifab® 451UT
Product Images




Trifab 451UT - Front Isometric

Trifab 451UT - Back Isometric

Trifab 451UT - Left Jamb

Trifab 451UT - Head

Trifab 451UT - Intermediate Horizontal

Trifab 451UT - Sill
Product Specifications
Trifab® 451UT (Ultra Thermal) framing system provides improved thermal performance to increase energy efficiency by employing a "dual" Isolock® thermal break.
Key Features Include:
Optional Features:
Product Applications:
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
For more detailed information on this product, reference the document(s) available for download below.
- Trifab® 451UT - Flyer [457KB]
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