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1" (25mm) Insulating VE18-2M

1" (25mm) Insulating VE18-2M

1/4" (6mm) Optiblue® with VE-2M #2 and 40% coverage V933 Warm Gray #2
1/2" (13.2mm) space - argon filled
1/4" (6mm) clear

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
33%
Solar Energy
16%
UV
5%

Reflectance

Visible Light-Exterior
8%
Visible Light-Interior
15%
Solar Energy
19%

NRFC U-Value

Winter
0.25 (hr x sqft x °F)
Summer
0.21 (hr x sqft x °F)
Shading Coefficient
0.26
Relative Heat Gain
54Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.22
LSG
1.50

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.