Glass Type

Glass
Thickness

Visible Transmittance %

Visible Reflectance %

Solar
Energy %

Solar Heat
Gain Coefficient (SHGC)

Shading Coefficient

Relative
Heat Gain Btu/hr/ft2

Out

In

Transmission

Reflectance Out

LoE-178
#3 Surface

2.2mm

3/32

79

13

12

56

26

0.65

0.76

155

LoE-178
#3 Surface

3.0mm

1/8

78

13

11

54

25

0.64

0.75

153

LoE-178
#3 Surface

3.9mm

5/32

77

12

11

51

22

0.63

0.73

150

LoE-178
#3 Surface

4.7mm

3/16

77

12

11

50

21

0.63

0.73

149

LoE-178
#3 Surface

5.7mm

1/4

76

12

11

48

20

0.62

0.72

147

LoE² -171
#2 Surface

2.2mm

3/32

73

11

12

39

35

0.41

0.48

99

LoE² -171
#2 Surface

3.0mm

1/8

72

10

12

38

34

0.41

0.47

98

LoE² -171
#2 Surface

3.9mm

5/32

71

10

12

36

32

0.40

0.47

96

LoE² -171
#2 Surface

4.7mm

3/16

71

10

11

36

32

0.40

0.46

96

LoE² -171
#2 Surface

5.7mm

1/4

70

10

11

35

31

0.40

0.46

95