INNOVATIVE METAL  INDUSTRIES, INC. • 1330 Riverview Drive •  San Bernardino, CA  92408

 

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Modular Panels
Modular Panels Enclosures Absorption Panels

 

                                    

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Sample Dwgs

 
 
 
Modular Acoustical Panels

 

 

  
Sound Absorption Coefficient Table 

 

1/3 Octave Center

Absorption

Total Absorption

Center Freq. (HZ)

Coefficient

In Sabins

100

0.21

14.96

125

0.36

25.93

160

0.45

32.26

200

0.67

48.21

250

1.01

72.51

315

1.20

86.75

400

1.22

87.65

500

1.23

88.40

630

1.24

88.96

800

1.21

86.76

1000

1.14

82.14

1250

1.11

79.66

1600

1.05

75.26

2000

1.02

73.74

2500

.92

66.31

3150

.84

60.14

4000

.78

56.01

5000

.74

53.26

 

NRC=1.10

 

Test based on ASTM E90 standards.

 

Features

 

·       Galvanized construction for long life

·       All panels are filled with six pound per square

     foot density mineral wool which is vermin and

     moisture proof, will not promote growth of

     fungi or bacteria, and is non-hygroscopic. 

    This makes them ideal for placement in harsh environments while providing a minimum

     NRC value of 1.05.

·       Modular design allows for easy installation

·      The finished panel system may be factory

      powder coated with several standard colors

·       Perf face is 3/8” dia holes on staggered pattern

·     Available in various materials depending  on    

     application

·      Powder coating available in various colors

 
Sound Transmission Loss Table

 

1/3 Octave Center

STC 23

STC 30

STC 35

STC 37

Center Freq. (HZ)

22 Gauge Tray

20 Gauge Tray

18 Gauge Tray

16 Gauge Tray

100

15

20

20

20

125

15

16

21

21

160

15

16

21

22

200

15

16

21

21

250

17

21

25

24

315

17

23

28

26

400

20

28

31

30

500

21

30

33

33

630

26

31

34

39

800

25

30

33

43

1000

20

32

35

43

1250

21

33

38

49

1600

23

34

44

51

2000

23

34

45

54

2500

24

35

42

57

3150

25

36

41

60

4000

27

39

41

61

5000

28

43

43

62

 

 

 

 

 

Test based on ASTM E90 standards.

 

Specifications

·         Minimum NRC value of 1.0   

·         20 gauge perf face tray (standard)

·         6lb/sq ft Mineral Rock Wool Board interior treatment

 
     

 

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Copyright © 2008 Innovative Metal Industries
Last modified: 10/15/09