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1" (25mm) Insulating VRE18-46

1" (25mm) Insulating VRE18-46

1/4" (6mm) Optiblue® with VRE-46 #2 and 50% 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
17%
Solar Energy
10%
UV
6%

Reflectance

Visible Light-Exterior
15%
Visible Light-Interior
16%
Solar Energy
20%

NRFC U-Value

Winter
0.25 (hr x sqft x °F)
Summer
0.22 (hr x sqft x °F)
Shading Coefficient
0.19
Relative Heat Gain
41Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.17
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.