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1" (25mm) Insulating VP2-22

1" (25mm) Insulating VP2-22

1/4" (6mm) green with VP-22 #2 and 50% coverage V175 High-Opacity White #2
1/2" (13.2mm) space - air filled
1/4" (6mm) clear

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
11%
Solar Energy
6%
UV
4%

Reflectance

Visible Light-Exterior
20%
Visible Light-Interior
38%
Solar Energy
11%

NRFC U-Value

Winter
0.44 (hr x sqft x °F)
Summer
0.46 (hr x sqft x °F)
Shading Coefficient
0.22
Relative Heat Gain
51Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.20
LSG
0.55

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.