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:
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:
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
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.
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.
IAC can provide high quality factory finishes to any of our Moduline components and systems including:
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.
Test Data & Specifications