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

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

1/4" (6mm) Optiwhite™ with 40% coverage V175 High-Opacity White #2
1/2" (13.2mm) space - air filled
1/4" (6mm) Optiwhite™
.060" (1.52mm) clear PVB
1/4" (6mm) Optiwhite™

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
58%
Solar Energy
51%
UV
<1%

Reflectance

Visible Light-Exterior
22%
Visible Light-Interior
32%
Solar Energy
19%

NRFC U-Value

Winter
0.45 (hr x sqft x °F)
Summer
0.47 (hr x sqft x °F)
Shading Coefficient
0.68
Relative Heat Gain
144Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.60
LSG
0.97

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.