Trifab™ 451UT Framing System

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

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

Environmental Features
Recycled Content (pre/post mixed): average 50%
Recyclable: Yes
Sound Tranmission Class: 37.0
Reduces Solar Heat Gain: Yes
Contribures to daylighting: Yes
U-Value: 0.33
Solar Heat Gain Coefficient: 0.23
Visable Transmittance: 0.61
Environmental Product Declaration (EPD) Type III Product Specific: Yes

U-Factor, SHGC, VT and STC values are calculated using commercially available high performance glass. Please consult the glass manufacturer for actual values for your project.

Recycled content used is an average. Recycled content may range from 25-100%.