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1" (25mm) Insulating VNE24-63

1" (25mm) Insulating VNE24-63

1/4" (6mm) Optiwhite™ with VNE-63 #2
1/2" (13.2mm) space - air filled
1/4" (6mm) OptiWhite

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
66%
Solar Energy
27%
UV
8%

Reflectance

Visible Light-Exterior
13%
Visible Light-Interior
12%
Solar Energy
51%

NRFC U-Value

Winter
0.29 (hr x sqft x °F)
Summer
0.26 (hr x sqft x °F)
Shading Coefficient
0.33
Relative Heat Gain
70Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.29
LSG
2.28

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.