Uncoated Insulated Glass Performance

1-inch (25mm) units with 1/2-inch (13mm) spacer and two 1/4-inch (6mm) lites

Glass Type * Trans % Vis Trans % U-V Ref % Vis - Ext Ref % TSE - Ext U-Value Winter ** U-Value Summer ** SC SHGC LSG Info
Clear + Clear
 79 46 14 11 0.47 0.50 0.81 0.70 1.12 Click
Starphire + Starphire
 84 77 15 14 0.47 0.50 0.94 0.82 1.02 Click
Solexia + Clear
 69 25 12 08 0.47 0.50 0.57 0.50 1.39 Click
Atlantica + Clear
 60 13 11 06 0.47 0.50 0.47 0.40 1.48 Click
Caribia + Clear
 60 19 10 06 0.47 0.50 0.46 0.39 1.54 Click
Azuria + Clear
 61 33 10 07 0.47 0.50 0.45 0.39 1.56 Click
Solarblue + Clear
 50 25 08 07 0.47 0.50 0.57 0.49 1.02 Click
Pacifica + Clear
 38 12 07 06 0.47 0.50 0.41 0.35 1.07 Click
Solarbronze + Clear
 47 20 08 07 0.47 0.50 0.59 0.51 0.93 Click
Solargray + Clear
 39 19 07 07 0.47 0.50 0.53 0.45 0.87 Click
Optigray 23 + Clear
 21 06 05 05 0.47 0.50 0.34 0.29 0.70 Click
Graylite + Clear
 12 06 05 05 0.47 0.50 0.39 0.34 0.36 Click
Solarshield Green + Clear
 68 24 11 07 0.47 0.50 0.57 0.49 1.39 Click
Solarshield Dark Green + Clear
 58 12 10 06 0.47 0.50 0.46 0.39 1.47 Click
Solarshield Bronze + Clear
 48 19 08 07 0.47 0.50 0.58 0.50 0.96 Click
Solarshield Gray + Clear
 40 20 07 06 0.47 0.50 0.54 0.47 0.86 Click
Versalux Green 2000 + Clear
 59 12 10 06 0.47 0.50 0.46 0.40 1.49 Click
Versalux Blue 2000 + Clear
 38 11 07 06 0.47 0.50 0.44 0.38 1.01 Click
Versalux Gray 2000 + Clear
 07 01 04 04 0.47 0.50 0.24 0.20 0.36 Click

Color samples provide a basic visual comparison between glass tints and do not necessarily represent actual glass colors. For color information contact ITI Glass.

* Product names are registred trademarks of the manufacturer.
** U-Values measured in Btu/h-ft2-F.

All data is from Lawrence Berkely National Laboratory Window 5.2 program.