Products
1" (25mm) Insulating with RoomSide Low-E VNE18-63
1" (25mm) Insulating with RoomSide Low-E VNE18-63
1/4" (6mm) Optiblue® with VNE-63 #2
1/2" (13.2mm) space - argon filled
1/4" (6mm) RoomSide™ Low-E #4
Reflected Color
Transmitted Color
Performance Data
Show data as:
Transmittance
Visible Light
45%
Solar Energy
19%
UV
4%
Reflectance
Visible Light-Exterior
7%
Visible Light-Interior
9%
Solar Energy
30%
NFRC U-Value
Winter
0.20 (hr x sqft x °F)
Summer
0.17 (hr x sqft x °F)
Shading Coefficient
0.26
Relative Heat Gain
54Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.22
LSG
2.05
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.