Clear 1-3/4" (44mm) Triple Insulating (Double Coating) - Viracon
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1-3/4" (44mm) Triple Insulating (Double Coating) Clear

1-3/4" (44mm) Triple Insulating (Double Coating) Clear

1/4" (6mm) clear
1/2" (13.2mm) space - argon filled
1/4" (6mm) clear
1/2" (13.2mm) space - argon filled
1/4" (6mm) clear

Reflected Color
Transmitted Color
Diagram

Performance Data

Show data as:

Transmittance

Visible Light
68%
Solar Energy
38%
UV
21%

Reflectance

Visible Light-Exterior
18%
Visible Light-Interior
18%
Solar Energy
19%

NFRC U-Value

Winter
0.19 (hr x sqft x °F)
Summer
0.19 (hr x sqft x °F)
Shading Coefficient
0.56
Relative Heat Gain
115Btu/(hr x sqft)
Solar Heat Gain Coefficient (SHGC)
0.49
LSG
1.39

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.