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1/4" GLASS - 1/2" AIR SPACE - 1/4" GLASS
GLASS
PART NUMBER
GLASS
TYPES
TRANSMITTANCE
REFLECTANCE
U-VALUE
SHADING COEFFI-
CIENT
SOLAR HEAT
GAIN COEFFI-
CIENT
Visible
%
Solar
Energy
%
Visible
Light
%
Total
Solar
Energy
%
Winter
Night-
time
Summer
Daytime
CLEAR Air/Argon Air/Argon  
ISL-234-311 SG 20 Silver/Clear 16 8 32 29 .29/.24 .28/.22 0.18 0.16
GREEN
ISL-300-311
Green R
23
10
20
13
.29/.24
.28/.22
0.23
0.2
DARK GREEN
ISL-109-311
Green 2000T
36
14
20
11
.29/.24
.28/.22
0.27
0.24
ISL-101-311 Green 2000R 20 8 16 9 .29/.24 .28/.22 0.2 0.17
BLUE GREEN
ISL-225-311
SG 20 Silver/Green
13
6
24
13
.29/.24
.28/.22
0.16
0.14
BRONZE
ISL-70-311
Bronze R
16
9
12
16
.29/.24
.28/.22
0.22
0.19
GREY
ISL-71-311
Grey R
14
8
10
15
.29/.24
.28/.22
0.21
0.18
BLUE
ISL-82-311
Blue R
17
9
13
15
.29/.24
.28/.22
0.22
0.19
DARK BLUE
ISL-103-311
Blue 2000T
23
11
12
11
.29/.24
.28/.22
0.24
0.21
ISL-97-311 Blue 2000R 13 6 9 8 .29/.24 .28/.22 0.18 0.16
AQUA BLUE
ISL-203-311 Solarcool Azuria™ 20 8 19 10 .29/.24 .28/.22 0.19 0.17
  • Performance data represents center of glass values calculated under the guidelines of LBNL Window 5.2 computer analysis, assuming and air mass of 1.5.
  • Tinted, Reflective and Low-E products may require heat-treating. Consult Insulite
  • (2) - 2nd Surface, (3) - 3rd Surface
  • Pyrolitic (hard-coat) Coating Vacuum Deposited (soft-coat) Coating
  • Products listed under each category may not visually match another product in the same category.
  • Consult Insulite for glass types not listed