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1" (25mm) Insulating VZE1-42

1" (25mm) Insulating VZE1-42

1/4" (6mm) clear with VE-42 #2 and 40% coverage V175 High Opacity White #2
1/2" (13.2mm) space - argon filled
1/4" (6mm) clear with VZE-SC #3

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
23%
Solar Energy
11%
UV
3%

Reflectance

Visible Light-Exterior
25%
Visible Light-Interior
12%
Solar Energy
24%

NRFC U-Value

Winter
0.24 (hr x sqft x °F)
Summer
0.20 (hr x sqft x °F)
Shading Coefficient
0.21
Relative Heat Gain
44Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.18
LSG
1.28

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.