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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-61-61 Clear 79 61 15 12 .48/.43 .55/.50 0.81 0.7
GREEN
ISL-62-61
Green
68
39
12
8
.47/.45
.50/.47
0.57
0.5
DARK GREEN
ISL-107-61
Green 2000
59
28
10
6
.47/.45
.50/.47
0.46
0.4
BLUE GREEN
ISL-66-61
Blue-Green
66
39
12
8
.47/.45
.50/.47
0.58
0.5
ISL-68-61
Caribia™
60
28
11
7

.47/.45

.50/.47
0.45
0.39
BRONZE
ISL-64-61
Bronze
47
39
8
7
.47/.45
.50/.47
0.58
0.5
GREY
ISL-63-61
Grey
41
36
7
7
.47/.45
.50/.47
0.55
0.48
MEDIUM GREY
ISL-214-61
Optigray® 23
21
15
6
5
.47/.45
.50/.47
0.34
0.29
DARK GREY
ISL-60-61
Graylite®
12
19
5
5
.47/.45
.50/.47
0.39
0.34
ISL-204-61
Grey 2000
7
5
4
4
.47/.45
.50/.47
0.24
0.21
BLUE
ISL102-61
Arctic Blue
49
28
8
6
.47/.45
.50/.47
0.46
0.4
ISL-65-61
Blue
50
38
8
7
.47/.45
.50/.47
0.57
0.49
DARK BLUE
ISL-91-61
Blue 2000
38
25
7
6
.47/.45
.50/.47
0.44
0.38
AQUA BLUE
ISL-67-61 Azuria™ 61 28 11 7 .47/.45 .50/.47 0.45 0.39
  • 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