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1" (25mm) Insulating VE1-45

1" (25mm) Insulating VE1-45

1/4" (6mm) clear with VE-45 #2 and 20% coverage DigitalDistinctions™ White #2
1/2" (13.2mm) space - air filled
1/4" (6mm) clear

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
33%
Solar Energy
19%
UV
8%

Reflectance

Visible Light-Exterior
14%
Visible Light-Interior
30%
Solar Energy
24%

NRFC U-Value

Winter
0.30 (hr x sqft x °F)
Summer
0.26 (hr x sqft x °F)
Shading Coefficient
0.29
Relative Heat Gain
63Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.26
LSG
1.27

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.