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1" (25mm) Insulating VRE32-59

1" (25mm) Insulating VRE32-59

1/4" (6mm) CrystalBlue™ with VRE-59 #2 and 20% coverage V175 High-Opacity White #2
1/2" (13.2mm) space - argon filled
1/4" (6mm) clear

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
29%
Solar Energy
17%
UV
9%

Reflectance

Visible Light-Exterior
16%
Visible Light-Interior
22%
Solar Energy
24%

NRFC U-Value

Winter
0.26 (hr x sqft x °F)
Summer
0.22 (hr x sqft x °F)
Shading Coefficient
0.27
Relative Heat Gain
57Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.24
LSG
1.21

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.