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1" (25mm) Insulating VZRE13-38

1" (25mm) Insulating VZRE13-38

1/4" (6mm) Starphire® with VRE-38 #2 and 40% coverage V175 High-Opacity White
1/2" (13.2mm) space - air filled
1/4" (6mm) Starphire%trade; with VZE-SC #3

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
24%
Solar Energy
11%
UV
2%

Reflectance

Visible Light-Exterior
43%
Visible Light-Interior
19%
Solar Energy
52%

NRFC U-Value

Winter
0.29 (hr x sqft x °F)
Summer
0.25 (hr x sqft x °F)
Shading Coefficient
0.18
Relative Heat Gain
40Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.16
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.