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9/16" (14mm) Laminated with RoomSide Low-E Gray

9/16" (14mm) Laminated with RoomSide Low-E Gray

1/4" (6mm) gray
.060" (1.52mm) clear PVB
1/4" (6mm) Roomside™ Low-E #4

Reflected Color
Transmitted Color

Performance Data

Show data as:

Transmittance

Visible Light
43%
Solar Energy
30%
UV
<1%

Reflectance

Visible Light-Exterior
5%
Visible Light-Interior
5%
Solar Energy
5%

NRFC U-Value

Winter
0.61 (hr x sqft x °F)
Summer
0.47 (hr x sqft x °F)
Shading Coefficient
0.50
Relative Heat Gain
107Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.44
LSG
0.98

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.