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1" (25mm) Insulating VZE33-48

1" (25mm) Insulating VZE33-48

1/4" (6mm) Majestic Grey with VE-48#2
1/2" (13.2mm) space - air filled
1/4" (6mm) clear with VZE-SC #3

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
31%
Solar Energy
14%
UV
4%

Reflectance

Visible Light-Exterior
11%
Visible Light-Interior
7%
Solar Energy
15%

NRFC U-Value

Winter
0.29 (hr x sqft x °F)
Summer
0.25 (hr x sqft x °F)
Shading Coefficient
0.27
Relative Heat Gain
58Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.24
LSG
1.29

Viracon's solar and optical performance data is center of glass data based on the National Fenestration Rating Council measurement standards, calculated using Lawrence Berkeley National Laboratory's (LBNL) WINDOW 7 software.

Winter and Summer U-Values are the only performance values available for spandrel glazing. The U-Values for spandrel glazing are the same as the corresponding vision unit. The spandrel color does not impact U-Value.