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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-234-89 SG 20 Silver/Clear 17 11 32 28 .33/.29 .33/.28 0.22 0.19
GREEN
ISL-300-89
Green R
25
15
20
11
.33/.29
.33/.28
0.31
0.27
DARK GREEN
ISL-109-89
Green 2000T
39
18
22
11
.33/.29
.33/.28
0.32
0.28
ISL-101-89 Green 2000R 22 10 16 8 .33/.29 .33/.28 0.25 0.21
BLUE GREEN
ISL-225-89
SG 20 Silver/Green
14
7
24
13
.33/.29
.33/.28
0.19
0.16
BRONZE
ISL-70-89
Bronze R
18
17
12
11
.33/.29
.33/.28
0.35
0.3
GREY
ISL-71-89
Grey R
15
16
10
10
.33/.29
.33/.28
0.33
0.28
BLUE
ISL-82-89
Blue R
18
17
13
11
.33/.29
.33/.28
0.34
0.29
DARK BLUE
ISL-103-89
Blue 2000T
25
16
12
10
.33/.29
.33/.28
0.32
0.27
ISL-97-89 Blue 2000R 14 10 9 7 .33/.29 .33/.28 0.25 0.22
AQUA BLUE
ISL-203-89 Solarcool Azuria™ 22 10 20 10 .34/.30 .35/.30 0.23 0.2
  • 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