Modular Acoustic Systems for Engineered Noise Control
Get a Custom QUOTESpace- and cost-efficient design
Slim, lightweight and durable construction delivers reliable noise control
Proven acoustic performance
Laboratory-tested modular panels combine high sound transmission loss with effective sound absorption
Fast, flexible installation
Rapid assembly, full demountability, easy reconfiguration and seamlessly integrated ventilation
What Is an Modular Acoustic Systems?
Modular acoustic solutions are pre-engineered components and systems designed to control sound transmission, sound absorption and noise propagation. A key advantage of modular acoustic systems is that individual components and complete assemblies are tested and performance-rated. This provides planners, architects and acoustic consultants with a reliable technical basis for configuring complex systems and selecting the precise combination of panels, doors, windows, ventilation and structural elements required for each application. The result is a specification-ready solution with predictable acoustic performance at project level.
Our Modular Acoustic Systems: Moduline™
Explore our key products for professional noise control solutions.
Industrial Noise Enclosures
Engineered modular acoustic systems for controlling machinery, process and environmental noise across industrial facilities.
Turnkey modular enclosures and canopies with integrated access, ventilation and silencing components, engineered to meet defined acoustic and operational requirements.
Acoustic Studios and Spaces
Sound studios and specialist acoustic rooms, ranging from compact voice-over booths to custom-designed podcast studios.
Laboratory-tested modular components allow complete acoustic performance to be defined at the design stage, with rapid installation and future reconfiguration.
Acoustic Doors
Multi-purpose high-performance steel acoustic door systems providing certified sound isolation for architectural, industrial and technical environments.
Factory-assembled and pre-hung systems with self-aligning magnetic seals, available in standard and custom designs up to STC-64 / Rw 63.
Acoustic Windows
High-performance glazed acoustic systems that maintain visibility while controlling sound transmission between adjoining spaces.
Laboratory-tested acoustic glazing systems available in standard and custom configurations, with ratings from STC-46 / Rw 47 to above STC-62 / Rw 66.
Features of the Moduline™ Technology
Measurable advantages of the Moduline™ system for acoustic projects of any scale and complexity.
Moduline™ System and Component Overview
Moduline™ is a flexible modular system comprising acoustic products and components tested in accordance with internationally recognized acoustic standards. These proven components can be combined to create high-performance acoustic solutions at every level—from individual acoustic doors and windows integrated into existing buildings to complete modular noise-control enclosures, studios, test facilities and purpose-built acoustic rooms.
Moduline™ Acoustic System
Each Moduline™ solution can be engineered to meet the required laboratory or in-situ acoustic performance. The adjacent diagram illustrates the principal components of the system and how they are combined to create complete modular acoustic structures.
- Noise-Lock® Acoustic Panels
- Roof Aprons
- Corner Joiners
- Noise-Lock® Acoustic Windows
- ‘H’ Panel Joiners
- Isolation Rails
- Noise-Lock® Floor Panels
- Noise-Lock® Acoustic Doors
- Floor Channels
- Roof Channels
Noise-Lock® Acoustic Wall, Ceiling and Floor Panels
The Noise-Lock® range includes more than 100 panel types and configurations. Each high-quality modular acoustic panel is individually assembled and engineered to meet the requirements of even the most demanding noise-control applications.
Explore the most widely specified Noise-Lock® acoustic panel models and their STC ratings worldwide::
- STC-45 Noise-Lock® II
- STC-58 Noise-Lock® III
- STC-44 Noise-Lock® IV
- STC-55 Noise-Lock® V
- STC-59 Noise-Lock® VII
- STC-61 Noise-Lock® XI
- STC-64 Noise-Lock® XV
Noise-Lock® Acoustic Doors and Doorsets
IAC Acoustics offers a comprehensive range of high-performance steel acoustic doors designed for architectural, industrial and security applications.
Noise-Lock® and Super Noise-Lock® acoustic doors can be engineered with different acoustic ratings, frame configurations, sealing systems, hardware and access-control options to meet project-specific requirements.
- STC-50 Super Noise-Lock® D-50
- STC-51 Noise-Lock® D-50
- STC-53 Noise-Lock® D-52
- STC-55 Super Noise-Lock® D-55
- STC-54 Noise-Lock® D-53
- STC-61 Noise-Lock® D-59
- STC-64 Noise-Lock® D-63
Noise-Lock® Acoustic Windows
IAC Acoustics offers a comprehensive range of high-performance steel acoustic windows designed for architectural, industrial and security applications.
IAC Noise-Lock® Acoustic Windows are available with a wide range of standard and custom design options, including angled glazing, bullet-resistant configurations, special fire-rated frames, and laminated safety glass as standard.
- First Pane of Laminated Safety Glass
- Second Pane of Laminated Safety Glass
- Acoustic Foam
- Host Wall
- Neoprene Acoustic Seal
- Painted Steel Capping Frame
- Acoustic Foam Retainer
Why Choose IAC for Modular Noise Control Systems?
Decades of Expertise
Over 75 years of experience designing and delivering industrial and architectural noise-control solutions across a wide range of industries.
Field-proven Acoustic Performance
Field-proven and laboratory-tested components provide defined sound transmission loss and sound absorption performance for each project.
Rapid System Integration
Wall and roof panels, acoustic doors, windows, access systems and silenced ventilation integrate into one coordinated modular system.
Flexible Modular Design
Configure acoustic barriers, partial or complete enclosures, control rooms and multi-storey structures with rapid assembly and full demountability.
Space & Weight Efficiency
Slim 102 mm modular wall systems reduce structural weight and preserve usable floor space compared with conventional acoustic construction.
Global Reach & Proven Trust
Trusted by leading industrial, healthcare, automotive, power generation & energy organizations worldwide.
Frequently Asked Questions
If you do not find the answer to your specific technical question here, please contact our engineering team directly.
How Do Modular Acoustic Systems Control Noise?
Modular acoustic systems control noise through a coordinated combination of sound transmission loss and internal sound absorption. The wall, roof and floor construction limits sound passing through the enclosure, while absorptive surfaces reduce reflected noise inside it. Effective performance also depends on controlling flanking paths, structural junctions and penetrations. Compatible acoustic doors, windows and silenced ventilation systems must be integrated without weakening the complete acoustic envelope.
How Do Modular Acoustic Solutions Compare with Conventional Construction?
Compared with masonry, gypsum, concrete or acoustic block construction, Moduline modular acoustic systems can provide high acoustic performance with significantly lower structural weight and reduced wall thickness. Factory-engineered components allow faster and cleaner assembly on site. Different panel configurations can be selected to meet specific transmission-loss and absorption requirements. The system can also be dismantled, modified or reassembled when layouts or operational requirements change.
What Are Modular Acoustic Solutions Used For?
Modular acoustic solutions are used to control industrial, mechanical and environmental noise in a wide range of applications. They can form straight acoustic walls, barriers, partial enclosures and complete noise-control structures. Typical uses include machinery enclosures, plant rooms, personnel shelters, control rooms and technical test facilities. Systems may also incorporate acoustic roofs, isolated or floating floors, access points and ventilation packages to create a complete engineered environment.
What Is the Difference Between Modular Acoustic Systems and Acoustic Panels?
Noise-Lock Acoustic panels are the individual wall, ceiling or roof components that provide sound insulation, sound absorption or both. A modular acoustic system combines these panels with compatible doors, windows, floors, structural channels, joiners and ventilation components. The complete solution is engineered as one acoustic envelope rather than as a collection of separate products. This coordinated approach helps maintain the required performance at junctions, openings and service penetrations.
Can Modular Acoustic Systems Be Used in Industrial Environments?
Yes. Moduline™ systems are designed for industrial noise-control applications, including manufacturing plants, machinery areas, power-generation facilities and technical rooms. Their steel modular construction can be configured around equipment, production processes and access requirements. Doors, removable panels, windows and silenced ventilation can be incorporated where required. Available finishes and special designs also allow the system to be adapted to demanding operational and architectural environments.
Can Modular Acoustic Systems Be Used in Room Acoustics?
Yes. Modular acoustic systems can support room-acoustic control by combining sound-insulating construction with sound-absorptive internal surfaces. Perforated Noise-Lock® panels with absorptive infill help reduce reflections, reverberation and excessive internal noise, while solid panel layers limit sound transmission to adjacent areas. Depending on the selected configuration, Moduline™ systems can be used for control rooms, personnel spaces, technical rooms and other acoustically treated environments. The final design should be selected according to the required sound absorption, reverberation time and sound-isolation performance..
Can Moduline™ Systems Be Disassembled or Relocated?
Yes. Full demountability is one of the principal advantages of the Moduline™ construction system. Panels and associated components can be dismantled and reassembled when machinery, production layouts or building requirements change. Removable sections can also provide temporary access for equipment installation or maintenance. This modular approach extends the useful life of the system and reduces the need for permanent reconstruction when a facility is modified.
What Acoustic Performance Can Modular Sound-Control Systems Achieve?
Acoustic performance depends on the selected panel configuration, wall construction, absorptive treatment and the design of all openings and junctions. Doors, windows, ventilation paths and structural connections must be considered as part of the complete system. Sound Transmission Loss, or STL, describes performance across individual frequency bands, while Rw provides a weighted sound-reduction rating. NRC is used to indicate the sound-absorption performance of absorptive panel surfaces.
Can Modular Acoustic Systems Include Doors, Windows and Ventilation?
Yes. Moduline™ systems can integrate Noise-Lock® acoustic doors, acoustic windows, hatches, removable access panels and personnel access components. Silenced ventilation packages can also be incorporated for applications ranging from occupied shelters to power-generation plant rooms. These components are designed to remain compatible with the surrounding modular construction. Correct selection and detailing help preserve acoustic performance while providing the required access, visibility and airflow.
Not sure which solution fits your requirements?
Our engineers will help you define the right acoustic test environment based on your application, standards, and constraints.
CONTACT OUR SPECIALISTS