About Kawneer

Kawneer is a leading manufacturer of architectural aluminum building products and systems for the commercial construction industry. Providing single-source responsibility, its comprehensive product portfolio includes entrances, framing systems, windows and curtain wall systems. Kawneer products are used on high- mid- and low-rise buildings such as stadiums/sports facilities, office buildings, schools/universities, retail construction and healthcare.

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Kawneer NA:Trifab® VG 450-Front 1-3/4x4-1/2 Framing System - Trifab® VG 450-Front 1-3/4" x 4-1/2"
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Kawneer NA: Framing System - Trifab® VG 450-Front 1-3/4" x 4-1/2"

Category: Glazing Frames
Framing System - Trifab® VG 450-Front 1-3/4" x 4-1/2" by Kawneer NA
Model Number - Trifab® VG 450-Front 1-3/4x4-1/2
  • 1
Air Infiltration 0.06 CFM @ 6.24 psf
Application Storefront, Ribbon windows, Punched openin... Show More
CRF Frame: 32, Glass: 26
Country United States
Fabrication Method Shear Block, Screw Spline, Stick, Type B
Function Exterior, Interior
Glass Capture Flush Glazed
Glass Installation Outside, Inside
Glass Plane Front
Glass Solar Heat Gain Coefficient 0.90-0.20
Glass U-Factor 0.90-1.06
Glass Visible Transmittance 0.90-0.20
Glazing Thickness 1/8", 1/4", 3/8"
Hurricane Resistant Tested Shuttered Application
Industry Standards ASTM E283, ASTM E330, ASTM E331, AAMA 501
Installation Style Stick
Material Aluminum
Overall Solar Heat Gain Coefficient 0.81-0.19
Overall U-Factor 0.99-1.11
Overall Visible Transmittance 0.81-0.18
Region North America
Steel Reinforcing Available Yes
Structural - Uniform Wind Load < L/175 @ 20 psf
System Depth 4-1/2"
System Sightline 1-3/4"
Thermal Transmittance - U factor 1.31
Type 1-3/4" x 4-1/2" Storefront Framing - Front... Show More
Type of Glazing Monolithic
Water Infiltration 8 psf
View at source
Trifab® VG (VersaGlaze®) is built on the proven and successful Trifab platform - with all the versatility its name implies. Trifab set the standard and Trifab® VG improves upon it.

There are enough fabrication, design and performance choices to please the most discerning building owner, architect and installer. Plus the confidence a tried and true framing system instills.

Select from four glazing applications, four fabrication methods and multiple infill choices.

Consider thermal options and performance, SSG and Weatherseal alternatives and your project takes an almost custom shape whether your architecture is traditional or modern and the building is new or retrofitted.

Key Features Include:
  • Hurricane Impact tested on Shutter Application Only
  • Trifab® VG 450 is 4-1/2" (114.3) deep with a 1-3/4" (44.5) sightline
  • Front, Center, Back or Multi-Plane glass applications
  • Flush glazed from either the inside or outside
  • Screw Spline, Shear Block, Stick or Type-B fabrication
  • SSG / Weatherseal option
  • 1/8" (3.2), 1/4" (6.4) or 3/8" (9.5) infill options
  • Permanodic® anodized finishes in 7 choices
  • Painted finishes in standard and custom choices
Optional Features:
  • High performance interlocking flashing
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 Sealair® windows or GLASSvent™ are easily incorporated
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    • Kawneer - Framing System - Trifab® VG 450-Front 1-3/4" x 4-1/2"
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