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1" (25mm) Insulating VRE13-59

1" (25mm) Insulating VRE13-59

1/4" (6mm) Starphire® with VRE-59 #2 and 30% coverage V175 High-Opacity White #2
1/2" (13.2mm) space - argon filled
1/4" (6mm) Starphire®

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
43%
Solar Energy
27%
UV
14%

Reflectance

Visible Light-Exterior
33%
Visible Light-Interior
26%
Solar Energy
47%

NRFC U-Value

Winter
0.26 (hr x sqft x °F)
Summer
0.22 (hr x sqft x °F)
Shading Coefficient
0.33
Relative Heat Gain
70Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.29
LSG
1.48

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.