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1-5/16" (31.96mm) Insulating Laminated VE4-45

1-5/16" (31.96mm) Insulating Laminated VE4-45

1/4" (6mm) bronze with VE-45 #2 and 20% coverage V175 High Opacity White #2
1/2" (13.2mm) space - air filled
1/4" (6mm) clear
.060" (1.52mm) clear PVB
1/4" (6mm) clear

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
19%
Solar Energy
10%
UV
<1%

Reflectance

Visible Light-Exterior
7%
Visible Light-Interior
27%
Solar Energy
12%

NRFC U-Value

Winter
0.29 (hr x sqft x °F)
Summer
0.26 (hr x sqft x °F)
Shading Coefficient
0.22
Relative Heat Gain
47Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.19
LSG
1

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.