2 0 1 3 P R O D U C T G U I D E VIRACON PRODUCT GUIDE 2013 ...

PERFORMANCE DATA TABLES
UNCOATED LAMINATED GLASS (.060” PVB INTERLAYER) TABLE 1
The performance data applies to two plies of 1/4" (6mm) glass and .060" (1.52mm) clear PVB interlayer. The coating (if applicable) is
applied to the second (#2) surface.
The solar and optical data presented in this guide is center of glass data based on the National Fenestration Rating Council
measurement standards. They were calculated using Lawrence Berkeley National Laboratory’s (LBNL) WINDOW 5.2/6.3 software. In
some cases performance data changed in comparison to previous versions of LBNL’s WINDOW program.
Product Transmittance
Reflectance U-Value
Visible Solar U-V Exterior Interior Solar
Winter
Summer
Shading Relative
Coefficient Heat Gain SHGC LSG
European
U-Value
Clear 85% 60%