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1" (25mm) Insulating VE18-85

1" (25mm) Insulating VE18-85

1/4" (6mm) Optiblue® with VE-85 #2 and 50% coverage V933 Warm Gray #2
1/2" (13.2mm) space - air filled
1/4" (6mm) clear

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
30%
Solar Energy
21%
UV
10%

Reflectance

Visible Light-Exterior
9%
Visible Light-Interior
17%
Solar Energy
13%

NRFC U-Value

Winter
0.31 (hr x sqft x °F)
Summer
0.29 (hr x sqft x °F)
Shading Coefficient
0.35
Relative Heat Gain
73Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.30
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.