Product Performance Data - Clear and Tinted Glass (A)
(I.G. units constructed of equal glass thickness with 1/2" airspace; interior lites clear)
Product |
Nominal
Thickness |
Transmittance
Average |
Reflectance
Average |
N. America
U-Value
(C) |
(D)
Shading
Coefficient |
(E)
Solar
Heat Gain
Coefficient |
(F)
Relative
Heat
Gain |
IN. |
MM |
Daylight
% |
Solar
% |
(B)
UV
% |
Daylight
% |
Solar
% |
Summer |
Winter |
Clear |
1/8
3/16
1/4 |
3
5
6 |
81
79
78 |
71
65
61 |
56
49
46 |
15
15
15 |
13
12
12 |
0.55
0.55
0.55 |
0.49
0.49
0.48 |
0.89
0.84
0.81 |
0.76
0.72
0.70 |
185
176
171 |
Gray Tint |
1/8
3/16
1/4 |
3
5
6 |
55
45
39 |
49
38
33 |
30
22
18 |
9
7
7 |
8
7
6 |
0.57
0.57
0.57 |
0.49
0.49
0.48 |
0.67
0.56
0.51 |
0.57
0.49
0.44 |
142
120
110 |
Bronze
Tint |
1/8
3/16
1/4 |
3
5
6 |
62
53
48 |
55
45
40 |
31
23
19 |
10
9
8 |
9
8
7 |
0.56
0.57
0.57 |
0.49
0.49
0.48 |
0.73
0.64
0.59 |
0.62
0.55
0.50 |
153
135
125 |
Green |
1/8
3/16
1/4 |
3
5
6 |
75
71
68 |
48
43
39 |
36
28
24 |
14
13
12 |
9
8
8 |
0.56
0.57
0.57 |
0.49
0.49
0.48 |
0.69
0.61
0.57 |
0.59
0.52
0.49 |
146
130
121 |
Blue Green |
1/4 |
6 |
67 |
40 |
26 |
12 |
8 |
0.57 |
0.48 |
0.58 |
0.50 |
124 |
Ford
Blue |
3/16
1/4 |
5
6 |
53
49 |
41
36 |
29
26 |
9
8 |
7
7 |
0.57
0.57 |
0.49
0.48 |
0.59
0.54 |
0.51
0.46 |
125
116 |
LOF
EverGreen |
1/8
3/16
1/4 |
3
5
6 |
69
65
59 |
42
36
28 |
23
17
12 |
12
11
10 |
8
7
6 |
0.57
0.57
0.57 |
0.49
0.49
0.48 |
0.59
0.53
0.45 |
0.51
0.45
0.39 |
126
113
99 |
PPG
SolarGreen |
1/4 |
6 |
59 |
28 |
13 |
10 |
6 |
0.57 |
0.48 |
0.46 |
0.39 |
99 |
PPG
Azurlite |
1/4 |
6 |
63 |
25 |
23 |
11 |
7 |
0.57 |
0.48 |
0.46 |
0.40 |
100 |
PPG
Graylite |
1/4 |
6 |
12 |
20 |
5 |
5 |
5 |
0.58 |
0.48 |
0.38 |
0.33 |
84 |
Insulating Glass Performance Data - Reflective Glass (A)
(I.G. units constructed of 1/4" glass thickness with 1/2" airspace; interior lites clear)
Product |
Coated
Surface |
Transmittance
Average |
Reflectance
Average |
N. America
U-Value
(C) |
(D)
Shading
Coefficient |
(E)
Solar
Heat Gain
Coefficient |
(F)
Relative
Heat
Gain |
Daylight
% |
Solar
% |
(B)
UV
% |
Daylight
% |
Solar
% |
Summer |
Winter |
Eclipse
Clear |
1
2 |
36
36 |
38
38 |
8
8 |
46
42 |
32
27 |
0.55
0.56 |
0.48
0.48 |
0.54
0.55 |
0.46
0.47 |
115
117 |
Eclipse
Blue-Green |
1
2 |
30
30 |
23
23 |
5
5 |
46
33 |
30
17 |
0.56
0.57 |
0.48
0.48 |
0.36
0.39 |
0.31
0.33 |
80
85 |
Eclipse
Gray |
1
2 |
17
17 |
20
21 |
3
3 |
45
13 |
31
11 |
0.56
0.57 |
0.48
0.48 |
0.34
0.38 |
0.29
0.32 |
76
84 |
Eclipse
Bronze |
1
2 |
21
21 |
24
24 |
3
3 |
46
19 |
32
14 |
0.56
0.57 |
0.48
0.48 |
0.38
0.41 |
0.32
0.35 |
83
90 |
Eclipse
Gold |
1
2 |
NA
29 |
NA
26 |
NA
2 |
NA
43 |
NA
32 |
NA
0.56 |
NA
0.48 |
NA
0.40 |
NA
0.35 |
NA
89 |
Solarcool
Gray |
1
2 |
15
16 |
18
18 |
6
6 |
36
11 |
30
10 |
0.57
0.58 |
0.48
0.48 |
0.31
0.35 |
0.27
0.30 |
70
78 |
Solarcool
Bronze |
1
2 |
19
19 |
21
21 |
6
6 |
37
14 |
30
12 |
0.56
0.58 |
0.48
0.48 |
0.35
0.39 |
0.30
0.33 |
78
85 |
Solarcool
Azurlite |
1
2 |
23
24 |
11
11 |
6
7 |
37
20 |
30
10 |
0.57
0.58 |
0.48
0.48 |
0.23
0.27 |
0.20
0.23 |
54
62 |
Solarcool
Graylite |
1
2 |
5
5 |
12
12 |
2
2 |
36
5 |
30
6 |
0.57
0.59 |
0.48
0.48 |
0.25
0.29 |
0.22
0.25 |
58
67 |
Sunglass
Reflective
Blue |
1
2 |
17
17 |
17
17 |
6
6 |
39
15 |
32
12 |
0.56
0.58 |
0.48
0.48 |
0.30
0.34 |
0.26
0.29 |
68
75 |
