VE24-48 1" (25mm) Insulating with RoomSide Low-E - Viracon
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1" (25mm) Insulating with RoomSide Low-E VE24-48

1" (25mm) Insulating with RoomSide Low-E VE24-48

1/4" (6mm) Optiwhite™ with VE-48 #2
1/2" (13.2mm) space - air filled
1/4" (6mm) RoomSide™ Low-E #4

Reflected Color
Transmitted Color
Diagram

Performance Data

Show data as:

Transmittance

Visible Light
49%
Solar Energy
32%
UV
22%

Reflectance

Visible Light-Exterior
18%
Visible Light-Interior
10%
Solar Energy
30%

NFRC U-Value

Winter
0.24 (hr x sqft x °F)
Summer
0.22 (hr x sqft x °F)
Shading Coefficient
0.44
Relative Heat Gain
91Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.38
LSG
1.29

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.