modular acoustical panels
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  • Moduline® Modular Acoustical Panels

    In-Plant Offices, Pulpits, Quiet Rooms & Booths

    IAC Moduline product line consists of pre-engineered, modular acoustical metal panels (“building blocks”) that can be configured and assembled into a wide variety of structures used to control and reduce excessive noise levels in industrial, commercial, institutional and community environments. Moduline is particularly suited for applications requiring a high degree of noise reduction of 40 decibels or more combined with rugged durability. Moduline is particularly well suited to:

    • Enclose or isolate noisy equipment or operations
    • Enclosure or isolate personnel, operators and technicians
    • Build product test and measurement chambers

    • dyno test room
  • TYPICAL MODULINE APPLICATIONS

    The variety and type of noise control solutions are endless when combining the basic Moduline module with our full range of components and accessories.  Consider these applications:

    • Machinery Sound Enclosures
    • Quiet Rooms
    • Sound Booths
    • Control Rooms
    • Pulpits
    • Soundproof Partitions
    • Noise Barriers
    • Factory Offices
    • QC Rooms
    • Pressurized HVAC Plenums
    • Generator Enclosures
    • Printing Press Enclosures
    • Transfer Press Sound Enclosures
    • Dynamometer Test Cells
    • Product Testing Chambers
    • Sound Walls
    • Equipment Screens
    • Thermal Spray Rooms
    • Blower Enclosures
    • and many more

  • DESIGN & ASSEMBLY FEATURES

    • Fully interchangeable components provide the greatest degree of design flexibility.
    • Basic panel assembly method uses our square edge panel module and one-piece formed H-Channel joiner suitable for most general applications ... very easy assembly.
    • Roll formed tongue-and-groove panel design available for air and water tight pressurized plenum applications or where a sleek, flush joint appearance is important … very attractive.
    • Corners are built-up using flashings and connectors or supplied as one-piece formed corner panels.
    • Several removable access panel options are available.
    • Heights greater than 12’ are assembled by stacking multiple tiers of panel modules.
    • Nearly unlimited structure sizes can be achieved with the use of our integrated structural support systems.

  • MODULINE Modular Acoustical Panels

    IAC Part Number / Style

    Exterior Surface

    Interior Surface

    Nominal Thickness (Inches)

    Nominal Weight (lb/sq.ft.)

    SOUND TRANSMISSION LOSS – dB

    Octave Band Center Frequency – Hz

    125

    250

    500

    1000

    2000

    4000

    STC

    Noiseshield Regular

    Solid

    Perf

    4.0

    8.0

    21

    27

    38

    48

    58

    67

    40

    Noiseshield Hard

    Solid

    Solid

    4.0

    9.5

    33

    45

    52

    58

    68

    75

    56

    Noiseshield Septum

    Perf1

    Perf

    4.0

    9.0

    19

    23

    35

    50

    60

    68

    37

    Super Noise-Lock

    Solid

    Perf

    4.0

    15.0

    34

    35

    44

    54

    63

    62

    48

    Noise-Lock I

    Solid

    Perf

    4.0

    9.5

    27

    31

    41

    51

    60

    65

    44

    Noise-Lock II

    Solid

    Solid

    4.0

    10.5

    30

    32

    41

    50

    59

    67

    45

    Noise-Lock II Hard

    Solid

    Solid

    6.0

    12.0

    42

    49

    57

    63

    74

    81

    61

    Noise-Lock III

    Solid

    Perf

    4.0

    11.0

    36

    51

    68

    75

    83

    84

    59

    Noise-Lock III Hard

    Solid

    Solid

    4.0

    12.0

    40

    50

    57

    65

    73

    80

    61

    Noise-Lock IV

    Solid

    Perf

    4.0

    7.3

    26

    31

    44

    52

    65

    74

    44

    Noise-Lock IV Hard

    Solid

    Solid

    4.0

    12.0

    30

    50

    60

    73

    79

    80

    62

    Fire Noise-Lock

    Solid

    Solid

    4.0

    10.5

    30

    32

    41

    50

    59

    67

    45

    Mill Duty

    Solid

    Perf

    4.0

    10.5

    27

    28

    41

    50

    57

    57

    43

    Industrial Floor Panel

    Solid

    Solid

    4.0

    9.5

    27

    45

    58

    63

    71

    67

    50

    Industrial DG Window

    ¼ Temp

    ¼ Temp

    4.0

    N/A

    28

    31

    47

    55

    61

    61

    47

    Noise-Lock C Class Window

    ¼ LSG

    ½ LSG

    4.0

    N/A

    30

    44

    49

    53

    57

    65

    50

    Sound Transmission Loss Data per ASTM E90-09 and E413-10 Lab Tests

    MODULINE Modular Acoustical Panels & Windows

    IAC Part Number / Style

    Exterior Surface

    Interior Surface

    Nominal Thickness (Inches)

    Wrapped Fill Y/N

    SOUND ABSORPTION COEFFICIENTS

    Octave Band Center Frequency – Hz

    125

    250

    500

    1000

    2000

    4000

    NRC

    Noiseshield Regular

    Solid

    Perf

    4.0

    N

    0.89

    1.20

    1.16

    1.09

    1.01

    1.03

    1.10

    Noiseshield Regular

    Solid

    Perf

    4.0

    Y

    0.56

    0.37

    0.83

    0.96

    0.99

    1.00

    0.95

    Noiseshield Hard

    Solid

    Solid

    4.0

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    Noiseshield Septum

    Perf1

    Perf

    4.0

    N

    0.50

    0.68

    1.03

    1.05

    1.00

    0.99

    1.10

    Super Noise-Lock

    Solid

    Perf

    4.0

    N

    0.94

    1.19

    1.11

    1.06

    1.06

    1.04

    1.10

    Noise-Lock I

    Solid

    Perf

    4.0

    N

    0.94

    1.19

    1.11

    1.06

    1.06

    1.04

    1.10

    Noise-Lock II

    Solid

    Solid

    4.0

    N

    0.94

    1.19

    1.11

    1.06

    1.06

    1.04

    1.10

    Noise-Lock II Hard

    Solid

    Solid

    4.0

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    Noise-Lock III

    Solid

    Perf

    4.0

    N

    0.05

    0.04

    0.08

    0.10

    0.10

    1.00

    0.80

    Noise-Lock III Hard

    Solid

    Solid

    4.0

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    Noise-Lock IV

    Solid

    Perf

    4.0

    N

    0.89

    1.20

    1.16

    1.09

    1.01

    1.03

    1.10

    Noise-Lock IV Hard

    Solid

    Solid

    4.0

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    Fire Noise-Lock

    Solid

    Solid

    4.0

    N

    0.94

    1.19

    1.11

    1.06

    1.06

    1.04

    1.10

    Mill Duty

    Solid

    Perf

    4.0

    N

    0.89

    1.20

    1.16

    1.09

    1.01

    1.03

    1.10

    Industrial Floor Panel

    Solid

    Solid

    4.0

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    Industrial DG Window

    ¼ Temp

    ¼ Temp

    4.0

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    Noise-Lock C Class Window

    ¼ LSG

    ½ LSG

    4.0

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    Sound Absorption Data per ASTM C423-09a and E795-05 Lab Tests

    Additional information on chemical resistance, flammability, etc., available upon request.


  • Modular Acoustical Panel Styles & Options

    To provide solutions for the widest variety of applications, Moduline features an array of integrated, related components providing high performance acoustical characteristics combined with rugged structural integrity and design flexibility.  A range of basic panel constructions and joining methods provide a unique combination of acoustical and mechanical features to best meet your specific requirements.

    Construction Options

    • Panel modules available from 2½” to 8” thick.
    • Panel modules available up to 4’ wide and 12’ long.
    • Sound Transmission Loss Ratings from STC 40 to STC 62.
    • Sound Absorption Ratings to NRC 1.10.
    • Components constructed from electro-galvanized steel, G90 galvanized steel, cold rolled steel, aluminum and stainless steel.
    • Construction material gauges from 22 gauge to ¼” steel plate.
    • A variety of panel acoustical fill materials and encapsulation available.

    Available Doors & Windows

    • Hinged access and personnel doors in custom or industry standard sizes available up to 14’ wide x 18’ high.  Doors are available in acoustical ratings to match the panel module style or project requirements up to STC 61 and in all available construction materials.
    • Sliding doors available in similar sizes and performance.
    • Many styles of multi-layer glazed windows using tempered, laminated, or wire reinforced glass; polycarbonate and impact / bullet resistant units to UL Level 3.

    Performance Enhancements Available

    • RFI / EMI Shielding
    • X-ray Shielding
    • UL Fire Rating
    • Ballistic Impact Resistance

    Ventilation & Electrical Options

    • Complete range of silenced ventilation, cooling and heating packages available.
    • Variety of electrical lighting, power distribution and accessories are available.

    Factory Finishes

    IAC can provide high quality factory finishes to any of our Moduline components and systems including:

    • Baked polyester powder coat
    • Textured finishes

    Structural Integrity

    Moduline components are designed to be robust, self-supporting structures that meet all normal use codes.  For applications requiring increased load bearing capabilities such as wind and snow, seismic resistance, or for very large expanse or unusual configurations, IAC can design and manufacture a completely integrated structural support system compatible with the project requirements.


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