An industrial noise assessment helps businesses identify where noise is coming from, how serious the issue is, and what control measures may be needed. It is especially useful in facilities with loud machinery, compressors, pumps, fans, generators, or process equipment.
The assessment may include a site audit, noise measurements, source ranking, compliance review, and practical recommendations. These findings help businesses reduce employee noise exposure, respond to complaints, and choose the right industrial noise control solution instead of guessing.
Understanding Industrial Noise Assessments
Industrial environments are often noisy by nature. Manufacturing equipment, pumps, compressors, generators, blowers, fans, motors, and process machinery can all contribute to elevated noise levels across a site.
In some cases, that noise creates a health and safety concern for employees. In others, it becomes an operational or environmental issue that affects nearby areas, neighbouring premises, or overall site compliance.
That is where an industrial noise assessment comes in.
An industrial noise assessment helps identify, measure, and evaluate noise in a workplace or industrial setting. It provides a clearer understanding of the noise problem and forms the basis for a targeted action plan.
Assessing and measuring noise in industrial settings can be challenging because of the wide range of equipment and processes typically found in manufacturing facilities. A comprehensive assessment often involves a full site audit to identify and rank noise sources based on their emission levels, helping businesses develop a targeted noise control action plan for their facility.
What Is an Industrial Noise Assessment?
An industrial noise assessment is a structured review of noise levels, noise sources, and exposure risks within an industrial or commercial environment.
The purpose is not just to confirm that a site is noisy. The real goal is to understand:
- Where the noise is coming from
- Which machines or processes are contributing most
- How employees or nearby areas are affected
- Whether legal thresholds or internal standards may be exceeded
- What practical noise control measures are likely to be effective
In many industrial settings, noise does not come from one source alone. It may come from a mix of plant, machinery, ventilation systems, engines, material handling equipment, and process operations. That is why a proper assessment often includes a site-wide review rather than a quick reading in one location.
What Does an Industrial Noise Assessment Usually Involve?
The exact scope of an industrial noise assessment will vary depending on the facility, but a thorough industrial noise assessment often includes several key steps.
A Site Audit
A site audit helps identify the equipment, areas, and processes that are contributing to the noise problem.
This is especially important in manufacturing facilities, processing plants, and other industrial environments where multiple machines may operate at the same time. Without a site audit, it can be difficult to determine whether the main problem is coming from one dominant source or from several sources working together.
Noise Measurement
Measurements are taken to understand existing noise levels and how they vary across different work areas, operating conditions, and times.
For example, a site may be quieter during normal production but much louder during cleaning, testing, peak operation, or when specific machines are running. A good assessment should consider the way the facility actually operates.
Identification and Ranking of Noise Sources
One of the most valuable parts of the process is identifying which sources are having the greatest impact.
This helps prioritise the next steps. A business may discover that one compressor, fan, generator, or motor is contributing disproportionately to the overall noise problem. In that case, a targeted solution may be more effective than trying to treat the whole facility.
Risk and Compliance Review
The assessment should consider workplace exposure and whether action may be needed under the Control of Noise at Work Regulations 2005.
The Health and Safety Executive explains that employers are required to assess risks to employees from noise at work, reduce exposure where risks exist, provide hearing protection where needed, and ensure legal exposure limits are not exceeded.
Practical Recommendations
A good industrial noise assessment should not stop at measurement. It should lead to practical next steps.
These may include engineered industrial noise control solutions such as acoustic enclosures, acoustic plant screens, acoustic barriers, rectangular or circular attenuators, silencers or other noise control products.
When Do You Need an Industrial Noise Assessment?
There are several common situations where an industrial noise assessment is needed.
- When Employees May Be Exposed to High Noise Levels
This is one of the most important triggers.
If employees are working near loud machinery, engines, ventilation systems, production lines, or industrial processes, a noise assessment can help determine whether exposure levels need to be reduced for the health and safety of the employees.
- When You Are Unsure Which Noise Sources Matter Most
Many facilities know they have a noise issue, but do not know which equipment is causing the biggest problem.
An assessment helps separate background noise from the key contributors. This is essential if you want to spend money on the right solution.
Without proper assessment, a site may install a barrier, enclosure or screen and still fail to solve the real issue because the wrong source was treated.
- Before Designing Industrial Noise Control Measures
An industrial noise assessment is often the first step before specifying products such as:
- Acoustic enclosures
- Acoustic plant screens
- Rectangular and circular attenuators
- Acoustic louvres
- Silencers
- Other engineered industrial noise control products
- When Expanding, Upgrading, or Changing a Facility
New equipment, process changes, or layout changes can alter the site’s acoustic profile.
A machine that seems acceptable in one part of a facility may create a problem if it is moved closer to employees, offices, site boundaries, or neighbouring premises. An industrial noise assessment can help identify potential issues before they become costly problems.
- When There Have Been Complaints or Concerns
If employees are raising concerns about noise, or if noise from a site is affecting nearby areas, an assessment provides the evidence needed to respond properly.
It can help confirm whether the concern is linked to a specific item of equipment, a wider site issue, or a particular operating condition.
Is an Industrial Noise Assessment a Legal Requirement?
In many cases, yes.
Under the Control of Noise at Work Regulations 2005, employers are required to assess and manage workplace noise where employees may be exposed to noise levels that could affect their health and safety.
This does not mean every workplace needs the same level of assessment. A quiet office and a heavy manufacturing site are very different environments. But where loud equipment, machinery, or industrial processes are present, an assessment may be necessary to determine the level of risk and what controls are needed.
Why an Industrial Noise Assessment Matters Before Choosing a Solution
It is tempting to jump straight to a product, especially if a site already assumes it needs an enclosure, screen, or barrier. But without an assessment, there is a risk of treating the wrong source, under-specifying the solution or overlooking practical issues.
A proper industrial noise assessment helps answer questions such as:
- Do you need to treat one machine or several?
- Is the problem airborne noise, structure-borne noise, or both?
- Is the priority employee exposure, environmental noise, or both?
- Would an acoustic enclosure work best?
- Would acoustic plant screens or attenuators be more practical?
- Are there access or maintenance requirements that affect the design?
- Does the equipment need ventilation or airflow?
- Are there operational constraints that need to be considered?
These answers help ensure the final industrial noise control solution is practical, targeted, and effective.
Industrial Noise Assessment Services
Wakefield Acoustics has more than 40 years of experience in industrial noise control and provides solutions across a wide range of industries and applications.
The value of an industrial noise assessment is easier to understand when you can see how noise control solutions are applied in real facilities. Wakefield Acoustics’ case studies show how different industrial noise challenges have been assessed, designed for, and solved using practical products. These examples help demonstrate how the right noise control strategy can move from assessment to real-world results.
If you are dealing with machinery noise, employee exposure concerns, or a wider industrial noise issue, an industrial noise assessment can help you understand the problem and define the right next step.
Contact Wakefield Acoustics to discuss your industrial noise assessment or noise control requirements.
Frequently Asked Questions about Industrial Noise Assessments
What is an industrial noise assessment?
An industrial noise assessment measures and evaluates noise levels, sources and exposure risks within an industrial or commercial facility. It helps identify where noise is coming from and what control measures may be needed.
When is an industrial noise assessment required?
An assessment may be required when employees are exposed to potentially harmful noise levels, when noise complaints arise, or when a business is planning new equipment, processes or noise control measures.
What does an industrial noise assessment include?
It may include a site audit, noise measurements, identification and ranking of noise sources, an exposure and compliance review, and recommendations for reducing noise.
Is an industrial noise assessment a legal requirement in the UK?
Under the Control of Noise at Work Regulations 2005, employers must assess and manage workplace noise where employees may be exposed to levels that could affect their health and safety.
How long does an industrial noise assessment take?
The time required depends on the size of the site, the number of noise sources and the complexity of its operations. Some facilities may require measurements across different operating conditions or times.
What equipment can cause industrial noise problems?
Common sources include compressors, pumps, generators, fans, motors, blowers, manufacturing machinery, ventilation systems and process equipment.
What happens after an industrial noise assessment?
The findings are used to develop a targeted noise control plan. Recommendations may include acoustic enclosures, barriers, plant screens, attenuators, silencers or acoustic louvres.
Why should noise be assessed before choosing a control solution?
An assessment helps ensure the correct noise source is treated and prevents businesses from investing in products that are unsuitable, under-specified or ineffective.
Can an industrial noise assessment help with noise complaints?
Yes. It can identify the source, level and character of the noise, helping businesses respond to concerns from employees, neighbouring premises or regulatory authorities.
Who should carry out an industrial noise assessment?
Industrial noise assessments should be carried out by experienced acoustic professionals who understand workplace noise, industrial equipment and engineered noise control solutions.
Acoustic louvres are designed to reduce noise from commercial and industrial equipment while maintaining the airflow needed for ventilation and cooling. Unlike standard weather louvres, they contain sound-absorbing materials within the blades, making them suitable for applications such as plant rooms, HVAC systems, generators, compressors and rooftop plant areas. Their effectiveness depends on factors including blade design, louvre depth, airflow requirements and the frequency of the noise being controlled.
Selecting the right acoustic louvre requires balancing noise reduction with airflow performance to avoid issues such as overheating, reduced efficiency or equipment failure. They can be used on their own or alongside other noise control measures, and an industrial noise assessment can help determine the most appropriate solution for meeting operational and compliance requirements.
What Is an Acoustic Louvre?
An acoustic louvre is a sheet metal ventilation product designed with sound-absorbing elements inside the louvre blades. From the outside, it may look similar to a standard weather louvre, but its purpose is different.
A standard louvre mainly provides ventilation, weather protection, and visual screening. An acoustic louvre provides those benefits while also helping reduce the transmission of noise.
Acoustic louvres are commonly used for:
- Plant room ventilation openings
- HVAC systems
- Air handling units
- Chillers
- Heat pumps
- Generators
- Compressors
- Pumps
- Switchgear rooms
- Rooftop plant
- External plant compounds
- Acoustic barriers and screens
- Acoustic enclosures around noisy equipment
This makes acoustic louvres one of the most practical noise control products for sites where equipment must be able to breathe, but noise still needs to be reduced.
How Acoustic Louvres Work
Acoustic louvres reduce noise by forcing sound to pass through a treated airflow path. The louvre blades are designed with sound-absorbing insulation, which helps absorb sound waves as air moves through the louvre.
The angled blade design also helps prevent a direct line of sight from one side of the louvre module to the other. This improves the level of noise reduction while still allowing air to pass through.
In simple terms, air can move through the louvre, but noise has to pass through an acoustically treated route.
The performance of an acoustic louvre depends on several factors, including:
- Louvre depth
- Blade design
- Open area
- Acoustic infill
- Airflow rate
- Pressure drop
- Frequency of the noise source
- Opening size
- Location of the louvre
- Whether the louvre is used alone or as part of a wider system
Double banked acoustic louvres can provide higher levels of noise reduction, depending on the source noise and frequency spectrum. The right specification should be based on both the acoustic target and the ventilation requirement.
Why Airflow Must Be Protected
Many commercial and industrial plant items rely on airflow. Restricting that airflow too much can create serious operational problems.
Generators, chillers, heat pumps, air handling units, transformers, and process equipment may need airflow for cooling, ventilation, combustion air, heat rejection, or general safe operation.
If airflow is restricted, it can lead to:
- Overheating
- Reduced equipment efficiency
- Higher energy use
- Plant shutdowns
- Increased maintenance requirements
- Poor ventilation performance
- Equipment reliability issues
This is why acoustic louvres need to be sized to meet the plant’s airflow requirements. A well-designed acoustic louvre will create some resistance because of its blade profile and acoustic construction, but it should be selected to minimise back pressure and protect equipment performance.
A standard louvre may provide airflow but little acoustic benefit. A poorly selected acoustic louvre may reduce noise, but restrict airflow too much. The correct solution must balance both and our team of experts can help you assess your needs so that you end up with a solution that is right for you..
Product-Led Noise Control
Acoustic louvres are one part of a wider range of commercial noise control solutions.
Depending on the site, a complete system may include:
- Acoustic louvres
- Acoustic louvre screening
- Acoustic enclosures
- Acoustic attenuators
- Acoustic barriers
- Acoustic plant screens
- Acoustic doors
- Acoustic containers
- Noise control products for plant rooms and equipment compounds
The best solution is usually product-led and project-specific. It should be designed around the noise source, airflow requirements, site layout, access needs and required acoustic target.
Acoustic Louvres and Noise Regulations in the UK
UK businesses may need to consider both workplace noise and environmental noise when specifying acoustic louvres for plant rooms, rooftop equipment, generators, HVAC systems or industrial machinery. The Health and Safety Executive explains that the Control of Noise at Work Regulations 2005 require employers to prevent or reduce risks from exposure to noise at work.
Environmental noise can also be a concern where plant noise affects neighbouring premises. GOV.UK guidance states that councils must look into complaints about noise that could be a statutory nuisance, including noise that unreasonably and substantially interferes with the use or enjoyment of a home or other premises.
This is why acoustic louvres are often considered during planning, design, installation or when a site is responding to a noise complaint. An industrial noise assessment can help determine whether acoustic louvres are suitable, what level of acoustic performance is required and whether other noise control products are needed.
The Role of an Industrial Noise Assessment
An industrial noise assessment helps identify the source, level, and character of a noise problem. It can also help determine whether acoustic louvres, acoustic louvre screening or another form of industrial noise control service or product is most appropriate.
For an acoustic louvre project, an assessment may consider:
- Existing noise levels
- Required noise reduction
- Nearby noise-sensitive receptors
- Site boundary conditions
- Equipment noise data
- Airflow requirements
- Pressure drop limits
- Planning or environmental criteria
- Access and maintenance requirements
- Weather exposure
- Structural requirements
The assessment may show that acoustic louvres are the right solution on their own. In other cases, they may need to be combined with acoustic enclosures, acoustic attenuators, acoustic barriers, or acoustic plant screens.
The goal is not simply to reduce noise. The goal is to reduce noise in a way that works with the equipment, the site, and the long-term operation of the plant.
Speak to Wakefield Acoustics
Wakefield Acoustics has supplied acoustic louvres for industrial noise control since 1980, working with end users, contractors, and consultants across a wide range of industries. Wakefield Acoustics designs, manufactures, and supplies acoustic louvres and wider noise control products for commercial and industrial sites across the UK.
Contact Wakefield Acoustics today to discuss your acoustic louvre requirements.
FAQ
What is an acoustic louvre?
An acoustic louvre is a ventilation product designed to reduce noise transmission while still allowing air to pass through. It typically includes sound-absorbing materials inside the louvre blades.
How is an acoustic louvre different from a standard weather louvre?
A standard weather louvre mainly provides ventilation, weather protection and visual screening. An acoustic louvre provides those benefits while also helping to reduce noise from industrial or commercial plant equipment.
Where are acoustic louvres commonly used?
Acoustic louvres are commonly used in plant rooms, HVAC systems, air handling units, chillers, heat pumps, generators, compressors, switchgear rooms, rooftop plant areas, external plant compounds, and acoustic enclosures.
How do acoustic louvres reduce noise?
They reduce noise by forcing sound to pass through an acoustically treated airflow path. The sound-absorbing insulation inside the blades helps absorb sound waves while the angled blade design helps reduce direct noise transmission.
Do acoustic louvres restrict airflow?
Acoustic louvres create some resistance because of their acoustic construction and blade design. However, a properly specified acoustic louvre should be sized to protect airflow and minimise pressure drop.
Why is airflow important when choosing acoustic louvres?
Many types of industrial and commercial equipment need airflow for cooling, ventilation, combustion air or heat rejection. If airflow is restricted too much, equipment can overheat, become less efficient or shut down.
Can acoustic louvres be used on their own?
Yes, in some cases acoustic louvres may provide the required level of noise reduction on their own. In other cases, they may need to be combined with acoustic enclosures, barriers, attenuators or plant screens.
What affects acoustic louvre performance?
Performance depends on factors such as louvre depth, blade design, open area, acoustic infill, airflow rate, pressure drop, noise frequency, opening size and where the louvre is installed.
When should a business consider acoustic louvres?
A business should consider acoustic louvres when plant or equipment noise needs to be reduced but ventilation still needs to be maintained. They may also be needed during planning, new installations, site upgrades or responses to noise complaints.
Why is an industrial noise assessment useful?
An industrial noise assessment helps identify the source and level of a noise problem. It can also determine whether acoustic louvres are suitable, what acoustic performance is needed and whether additional noise control products are required.
This article explains how commercial and industrial sites can reduce generator noise using practical, product-led solutions such as acoustic enclosures, acoustic louvres, acoustic attenuators, acoustic screens, and tailored enclosure designs. It covers why generator noise matters, how industrial noise assessments help identify the right solution, and how Wakefield Acoustics supports UK businesses with engineered noise control products that protect performance, airflow, access, and compliance.
Generators play a critical role in commercial and industrial environments. They support standby power, peak demand management, construction activity, manufacturing operations, data centres, hospitals, utilities, and large infrastructure projects.
The challenge is that generators can also create significant noise. Left untreated, generator noise can affect nearby workers, neighbouring properties, planning compliance, environmental limits, and the long-term usability of a site.
For many businesses, reducing generator noise is not just about comfort. It is part of responsible site design, operational reliability, and compliance with relevant noise regulations in the UK.
Why Generator Noise Needs to Be Controlled
Generator noise usually comes from several sources at the same time. These can include the engine, exhaust system, cooling fans, air intake, alternator, vibration, and breakout noise from the generator housing.
In commercial and industrial settings, this noise can become a problem when generators are located close to:
- Offices or occupied buildings
- Residential areas
- Site boundaries
- Construction zones
- Manufacturing workspaces
- Data centres
- Switchgear rooms
- Plant compounds
- Rooftop plant areas
UK businesses may need to consider both workplace noise and environmental noise. The Health and Safety Executive states that the Control of Noise at Work Regulations 2005 require employers to prevent or reduce risks from workplace noise exposure. HSE guidance also notes increased action is needed when exposure exceeds 85 dB(A).
Environmental noise can also become an issue if it affects nearby premises. GOV.UK guidance says councils must investigate complaints about noise that could be a statutory nuisance, including noise that substantially interferes with the use or enjoyment of a home or other premises.
That is why generator noise control should be considered early, especially for projects involving planning applications, new plant installations, site upgrades or complaints from nearby receptors.
Start With an Industrial Noise Assessment
The most effective generator noise control strategy starts with understanding the problem, and this is often achieved with an industrial noise assessment by qualified professionals.
An industrial noise assessment can help identify:
- The main noise sources
- Existing sound levels
- Sensitive nearby receptors
- Site boundary limits
- Tonal or low-frequency noise issues
- Airflow requirements
- Access and maintenance constraints
- Planning or environmental criteria
This does not always mean a business needs standalone acoustic consultancy services. In many cases, the goal is practical technical guidance that leads to the right engineered noise control products.
For generator projects, this may include acoustic enclosures, acoustic louvres, acoustic attenuators, acoustic louvre screening, acoustic barriers, acoustic containers or a modular acoustic enclosure designed around the generator and site layout. The frequency content of generator noise is a critical part of product selection.
Two generators with similar overall sound levels may require different treatments if one produces stronger low-frequency or tonal noise. Any indicative noise reduction range therefore, needs to be confirmed through detailed acoustic analysis, taking account of the source noise, required airflow, site layout, and target noise level.
Practical Steps to Reduce Generator Noise
A strong generator noise control plan usually includes the following steps.
- Identify the Noise Source
Conduct a commercial noise assessment to measure or assess where the noise is coming from. The engine, exhaust, fans, casing, and airflow paths may all need different treatments.
- Understand the Noise Target
Clarify whether the issue is workplace exposure, planning compliance, environmental noise, a site boundary limit or a complaint from nearby receptors.
- Consider the Site Layout
Location matters. Distance, orientation, reflective surfaces, nearby buildings and boundary conditions can all affect noise levels.
- Select the Right Noise Control Products
Generator noise rarely comes from a single path, so the most effective solution may combine several noise control products. The appropriate choice depends on whether noise is radiating through the generator casing, travelling through ventilation openings or reaching nearby receptors through a direct line of sight.
The indicative performance ranges below are typical selection ranges rather than guaranteed site performance. Actual noise reduction depends on the frequency content of the source noise, the materials used, overall product dimensions, ventilation and access openings, and other design parameters. Final performance should always be confirmed through detailed acoustic analysis.
Acoustic Enclosures
Acoustic enclosures surround the generator and associated equipment to control noise radiating from the engine, alternator, casing and other components. They are typically appropriate where a substantial level of noise reduction is required and the generator can be enclosed without compromising ventilation, maintenance access or safe operation.
Depending on the source noise and enclosure design, acoustic enclosures can typically be selected to provide approximately 15 to 40 dB(A) of noise reduction.
Acoustic Containers
Acoustic containers provide an integrated housing for a generator and its associated equipment. They may be appropriate where the complete generator package needs to be located within a purpose-designed structure incorporating acoustic treatment, ventilation, access doors and service openings.
Acoustic containers can typically be selected to provide approximately 15 to 40 dB(A) of noise reduction, depending on the frequency content of the noise, material specification, overall dimensions and required openings.
Acoustic Louvres and Louvre Screening
Acoustic louvres are used where an enclosure, container or plant area needs ventilation while also limiting noise through the airflow path. They are commonly applied to generator air intake and discharge openings or incorporated into acoustic louvre screening around external plant areas.
Depending on the product configuration, materials, dimensions and frequency content of the source noise, acoustic louvres can typically provide approximately 8 to 20 dB(A) of noise reduction.
Acoustic Attenuators and Silencers
Acoustic attenuators are installed within ventilation or ductwork paths to reduce noise while allowing air to move through the system. They are often appropriate at generator air inlets and outlets where greater attenuation is required than an acoustic louvre alone can provide. Inlet silencers and industrial fan silencers may also form part of this approach.
Depending on the design and frequency content of the source noise, attenuators can typically be selected to provide approximately 20 to 50 dB(A) of noise reduction.
Acoustic Screens and Barriers
Acoustic screens and barriers interrupt the direct path between the generator and a nearby receptor. They may be appropriate where a full enclosure is not practical, where access must remain open or where additional control is needed around part of an installation.
Their effectiveness depends heavily on the screen’s height, length, construction and position relative to the generator and receptor. A general noise reduction range should therefore not be assumed without site-specific acoustic analysis.
- Protect Airflow and Access
Noise reduction should not compromise generator cooling, combustion air, ventilation, servicing or safe operation. Airflow paths, pressure drop, heat rejection and access requirements need to be considered alongside the acoustic target. Poorly planned openings can also become weak points that allow noise to escape, which is why acoustic louvres, attenuators, doors, seals and service penetrations should be designed as part of the complete system.
- Use a Tailored Design
Commercial and industrial sites often need a tailored noise control solution designed around the generator, site layout and acoustic target. Material types, panel construction, overall dimensions, ventilation openings, access requirements and the frequency content of the source noise can all affect performance. A detailed acoustic assessment helps ensure the selected products work together rather than addressing one noise path while leaving another untreated.
Generator Noise Control for UK Sites
For UK commercial and industrial sites, generator noise control often sits between several priorities: operational performance, worker protection, planning requirements, environmental noise limits, and neighbour impact.
That is why a product-led approach is usually the most practical route. Rather than treating noise as an afterthought, businesses can reduce risk by selecting engineered noise control services and products early in the project.
Wakefield Acoustics designs and manufactures industrial noise control solutions for commercial and industrial environments, including acoustic enclosures, acoustic louvres, acoustic screens, acoustic containers, acoustic attenuators, and related products.
For generator projects, the right solution may include one product or a combination of systems working together. For example, an acoustic enclosure or container may control noise radiating from the generator, while acoustic louvres or attenuators treat ventilation paths, and acoustic screens reduce direct noise transmission towards sensitive receptors.
Speak to Wakefield Acoustics
If you need to reduce generator noise on a commercial or industrial site, Wakefield Acoustics can help assess the practical requirements and recommend suitable noise control products.
Contact Wakefield Acoustics to discuss your generator noise control requirements.
We are delighted to announce that Wakefield Acoustics has been acquired by the leading environmentally focused, diversified industrial company, CECO Environmental.
The addition of Wakefield to CECO’s Thermal Acoustics business platform advances CECO’s leadership position within the industrial silencing and noise attenuation segment by adding a range of solutions and access to new geographic markets and industrial segments. The whole team, led by MD Kevin Still are excited to start the next chapter in a business founded over 40 years ago with an unparalleled track record in Industrial Noise Control.
If you have any questions regarding the above, please get in touch: [email protected]
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Engineering excellence in designing, manufacturing and installing industrial, commercial and environmental noise control products and systems.
Noise is an unavoidable by-product of many industrial and commercial environments. Whether it’s machinery in manufacturing plants, ventilation systems in commercial spaces, or equipment in warehouses, managing noise levels is essential for the comfort, safety, and productivity of employees. One popular solution for industrial noise control is the use of acoustic blankets.
But are these blankets worth the investment for commercial use? Let’s explore how they work and the benefits they bring to your business.
What Are Acoustic Blankets?
Acoustic blankets are a versatile noise control solution, typically used as a covering for equipment and machinery to reduce emitted sound. They are an ideal choice for environments where noise control solutions are required, but where permanent fixtures like acoustic screens or enclosures may not be suitable.
At Wakefield Acoustics, we supply acoustic blankets designed to offer flexibility and convenience. These soundproof blankets are lightweight, easy to install and remove, and can be fitted with velcro strips or eyelets for to allow the formation of full acoustic jackets.
How Do Acoustic Blankets Work?
Acoustic blankets are typically made up of a mass barrier core and acoustically absorbent insulation, all encased in a flexible, PVC-coated polyester sheet. This construction ensures that the blanket is both durable and effective at reducing noise levels.
When wrapped around machinery, acoustic blankets provide noise reduction through the mass loaded barrier, and absorbent inner layer providing absorption, making them an ideal solution for industrial noise control in areas where noise levels need to be reduced, but not entirely eliminated. They offer a more flexible alternative to fixed acoustic enclosures, as they are lightweight and can be easily adjusted or relocated. However, acoustic blankets for soundproofing generally provide a lower level of noise reduction compared to more permanent solutions like acoustic plant screens or enclosures.
This makes them an excellent choice for applications where minimal noise reduction is needed, such as around equipment like pumps, compressors, and fan casings in industrial workspaces. In industries like manufacturing, construction, and water treatment, acoustic blankets provide a cost-effective solution to help control noise without extensive installation work.
Benefits of Acoustic Blankets for Commercial Use
1. Flexibility and Convenience
One of the standout advantages of acoustic blankets is their flexibility. Unlike rigid soundproofing solutions, acoustic blankets are lightweight and portable, allowing them to be moved or adjusted as needed. This is especially useful in oil and gas and petrochemical industries where access to machinery and equipment needs to be maintained without compromising noise control.
The ability to easily remove and reattach the blankets means that businesses can quickly adapt to changing noise control requirements. This flexibility also makes them ideal for environments where noise control solutions are needed temporarily.
2. Cost-Effective Solution
When compared to more permanent noise control solutions, acoustic blankets provide a much more affordable and accessible option. They offer a lower upfront cost while still delivering effective sound reduction in many industrial applications. For businesses looking to comply with the Control of Noise at Work Regulations in the UK, acoustic blankets are a great alternative.
Their lightweight design makes them easy to install and remove, reducing the need for complex or expensive installations, which is particularly important for businesses with budget constraints or limited space.
3. Easy to Install and Maintain
Acoustic blankets are straightforward to install and require minimal maintenance. Their simple attachment mechanisms, such as Velcro strips or eyelets, allow for quick setup and adjustments. This ease of use can save businesses time and reduce operational downtime during installation.
4. Customisable for Specific Applications
Each industrial application has unique noise control needs, and acoustic blankets offer a customisable solution. They can be tailored to wrap around machinery with complex shapes, such as pumps, fans, or large pieces of equipment, making them particularly useful when noise comes from a variety of sources with different shapes and sizes.
For more complex applications, acoustic blankets can be combined with other noise control products such as acoustic enclosures to create a comprehensive solution for larger-scale noise issues.
5. Improved Compliance with Noise Regulations
As businesses are required to comply with the control of noise at work regulations to ensure a safe and productive environment, acoustic blankets help businesses stay compliant. By using acoustic blankets, companies can also help to meet the required noise reduction levels set by local authorities.
In summary, acoustic blankets are a versatile, cost-effective, and flexible solution for businesses looking to manage noise in commercial and industrial settings. Whether used for temporary or long-term applications, they provide an effective method for reducing noise from machinery, meeting noise control regulations, and improving workplace comfort.
At Wakefield Acoustics, we offer a wide range of industrial noise control solutions and services designed to meet the specific needs of your business. From acoustic consultancy services to installation services, we provide tailored solutions to help you manage industrial noise and maintain a safe and productive environment.
If you’re looking for an effective, affordable solution to manage industrial noise, contact us today.
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Engineering excellence in designing, manufacturing and installing industrial, commercial and environmental noise control products and systems.
Industrial noise is an inevitable byproduct of many manufacturing and production processes. From the hum of machinery to the clatter of tools, these sounds can disrupt not only workers’ concentration but also their health and safety. Managing industrial noise is crucial for maintaining a safe and productive work environment, as well as for adhering to the Control of Noise at Work Regulations. In this blog post, we will dive into the various ways industrial noise can be controlled effectively, from engineering solutions to innovative noise control technologies.
What Is Industrial Noise and Why Does It Matter?
Industrial noise refers to any unwanted sound generated within an industrial environment that can be harmful or disruptive. Common sources include machinery, motors, pumps, fans, conveyor belts, and production or processing equipment. In many industries, noise levels can reach dangerous thresholds, affecting workers’ hearing and contributing to stress, fatigue, and reduced productivity.
Furthermore, industrial noise can have a detrimental impact on the surrounding community, leading to noise pollution that disrupts local residents. This has led to increasingly strict regulations governing noise levels, and non-compliance can result in fines, legal action, and even forced closures. Understanding noise regulations and staying compliant is crucial for any industrial operation.
The Impact of Industrial Noise
Uncontrolled industrial noise presents a variety of risks, both for workers and the surrounding environment. Some of the most significant concerns include:
- Health and Safety: Prolonged exposure to high levels of industrial noise can lead to permanent hearing damage, stress, sleep disruption, and even cardiovascular issues.
- Environmental Impact: Excessive noise can disturb local wildlife and communities, leading to complaints and environmental concerns.
- Legal Compliance: Many industries are required by law to control the noise emitted from their operations. Failure to comply with noise regulations can result in heavy fines and legal ramifications, not to mention harm to a company’s reputation.
How Can Industrial Noise Be Controlled?
There are several ways to manage and reduce industrial noise effectively. The key is to approach the problem with a mix of strategies, focusing on both the noise source and the environment in which it occurs.
1. Engineering Controls
Engineering controls focus on modifying equipment and structures to reduce noise at its source. These solutions are typically the most effective and permanent ways to control industrial noise.
- Acoustic Enclosures: One of the most effective ways to control noise is by isolating noisy machinery or areas. Acoustic enclosures are built around equipment to reduce noise at source, preventing it from affecting the surrounding environment. These can be constructed from materials that are specifically designed to absorb sound and provide sound transmission reduction.
- Acoustic Blankets: Another effective method to reduce noise is by using acoustic blankets. These blankets are designed to absorb sound and can be used to cover or be placed around noisy equipment. Acoustic blankets help to dampen noise and reduce its spread within the workplace, providing a cost-effective and flexible solution.
- Noise Havens: In certain circumstances it is not always feasible to treat the noise at source, particularly in environments where there are multiple noise sources contributing to the overall exposure experienced by operators. In such cases, noise havens can be installed which are designed to offer respite for operators in noisy environments by providing a safe, quieter space to work.
2. Administrative Controls
Administrative controls involve altering work processes or schedules to reduce workers’ exposure to high noise levels.
- Job Rotation: In noisy environments, workers can be rotated between tasks to limit the time they spend in areas with high noise levels. This ensures they are not constantly exposed to harmful noise, reducing the risk of hearing damage.
- Work Schedule Adjustments: Shifting noisy tasks to certain times of the day can also help reduce exposure. For example, performing particularly loud processes during hours when fewer workers are around can minimise risk.
3. Maintenance and Upkeep
Noise often results from machinery or equipment that is not properly maintained. Regular maintenance can help reduce noise caused by worn-out components or misaligned machinery. Ensuring that equipment is well-lubricated, properly calibrated, and regularly inspected will help minimise excessive noise production.
Innovations in Noise Control Technologies
The industrial sector is continuously evolving, and so are the technologies used to control noise. At Wakefield Acoustics, we believe that true innovation lies not just in developing new products, but in applying existing technologies in unique ways to solve specific noise challenges.
While the core principles of industrial noise control have remained largely consistent over time, our approach focuses on tailoring solutions to meet the unique needs of each project. For example, as we highlight in our Innovations in Noise Control blog post, innovation often comes through the application of tried-and-tested products, like acoustic enclosures and containers, to overcome specific site challenges such as limited space or difficult access. By thinking outside the box and applying our expertise, we help businesses stay on the cutting edge of noise control technology, improving work environments and quality of life for all.
Cost and Efficiency Considerations
When implementing noise control solutions, businesses must carefully balance the initial costs with the long-term benefits. Some solutions, such as acoustic enclosures, plant screens, or noise havens, can require significant upfront investment in terms of both materials and installation. However, these initial costs can often be offset over time by the substantial long-term savings they provide. For instance, reducing excessive noise can lead to fewer health issues among workers, such as hearing damage, stress, and fatigue.
Moreover, noise control solutions help ensure compliance with workplace noise regulations, avoiding potential fines. Businesses can also benefit from improved worker productivity and morale, as a quieter work environment can enhance focus, communication, and overall job satisfaction. Additionally, noise mitigation can help businesses maintain positive relationships with the surrounding community by minimising noise disturbances that could lead to complaints.
In many cases, the return on investment from noise control solutions extends beyond immediate cost savings and can lead to enhanced operational efficiency and a better workplace environment. Therefore, when considering noise control options, businesses should weigh not only the upfront cost but also the long-term economic and social benefits that these solutions can bring.
At Wakefield Acoustics, we specialise in providing tailored industrial noise control solutions to businesses across a range of industries. Whether you’re looking for acoustic blankets, custom noise barriers, or a complete noise control system, we have the expertise and products to help you create a safer and quieter environment.
We work closely with clients to understand their specific needs and provide custom solutions that meet both their operational requirements and regulatory obligations. If you have any questions or would like more information on our products and services, please contact us today at +44 (0) 1924 418 940 or email via [email protected].
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Engineering excellence in designing, manufacturing and installing industrial, commercial and environmental noise control products and systems.
We are excited to announce the official opening of Wakefield Acoustics’ second manufacturing facility!
On Friday, July 12th, 2024, our new production facility was officially opened by Kim Leadbeater MP, the esteemed Member of Parliament for Spen Valley. Although we have been operational for several months, this event was a wonderful opportunity to celebrate this significant milestone in the growth of Wakefield Acoustics.
The new site, spanning an impressive 55,000 sq. ft., provides additional manufacturing and assembly space for our range of industrial noise control products. This expansion allows us to centralise the fabrication of acoustic containers at our Flush Mills facility, while dedicating the new Union Mills facility to traditional industrial acoustic solutions.
The Evolution of Wakefield Acoustics
Managing Director Kevin Still kicked off the event, highlighting the evolution and continued growth of Wakefield Acoustics over our 44-year history. He shared insights into our ongoing expansion into new and larger production facilities, a testament to our commitment to innovation and excellence in noise control solutions.
A heartfelt thank you goes out to the entire Wakefield Acoustics team, our suppliers, and contractors who played a crucial role in making this transition seamless and successful. Your hard work and dedication have been instrumental in reaching this milestone.
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Engineering excellence in designing, manufacturing and installing industrial, commercial and environmental noise control products and systems.
Noise control for standby power is a critical aspect, especially when the main drivers (usually diesel engines in the case of UK data centres) generate very high levels of noise.
Interpretation of noise regulations and specifications
Requirements for the noise emissions from standby power plants differ from project to project, guided by the Control of Noise at Work Regulations, noise impact assessments in line with BS4142, and regional project planning advice and guidelines. Whilst standby diesel generators operate only in an emergency, their intermittent operation still needs to ensure the health and safety of nearby workers and ensure minimal impacts to neighbouring properties.
Every element of Design and Layout
Planning at the outset of a project is essential, and every avenue to reduce environmental noise impacts should be considered:
- Can the noise source be relocated?
- Are there any natural physical barriers between the source and receiver?
- Specification for noise control measures to be incorporated into the design at the earliest opportunity
- Are there multiple noise sources and noise paths?
Acoustic Testing
Whilst the calculations and design may prove intent to comply with project requirements, the proof of concept is determined at the point of a FAT (factory acceptance test), or SAT (site acceptance test).
The procedure for acoustic testing of large power plants needs to be carefully planned and recorded. Quite often, additional noise sources are present at the point of testing, and therefore detailed background measurements are equally as important as measurements with equipment in operation.
Singular point measurements rarely provide the required level of detail for such large installations, and a series of readings is usually required, with a detailed calculation to determine overall averaged results, background corrected.
Troubleshooting and on-site ‘snagging’
Whilst 99% of installations go without noise problems when correctly designed, some acoustic weak points can be introduced to projects during installation. If you have noise problems at site on a standby power project, problem areas can be around:
- Acoustic sealing: ensure all apertures are fully closed off and insulated to the same specification as the engine housingy
- Background noise: is background noise contributing to the levels being measured with equipment in operation?
- Structure-borne noise and vibration: with the best acoustic designs to reduce airborne noise, poor selection of antivibration mounts, and little consideration of hard-fixing pipework and cable trays to an acoustic container can compromise the acoustic integrit
If you have any questions or would like more information on our products and services, please contact Wakefield Acoustics at +44 (0) 1924 418 940 or email via [email protected].
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Engineering excellence in designing, manufacturing and installing industrial, commercial and environmental noise control products and systems.
Wakefield Acoustics has experience in various industries and applications, helping to diagnose and remedy environmental noise issues. Assessment of environmental noise impacts is a relatively straightforward process for an experienced acoustic consultant or noise control engineer. However, uncertainties can be brought about by the effects of the weather during noise surveys.
Weather conditions can significantly impact noise survey results and we have outlined the effects of different weather we experience in the field of industrial noise control.
Wind
Wind direction and speed are important factors in how sound travels. When there are strong winds, sound waves can travel further and go around obstacles, which can make the noise louder at certain points. The wind can also make sound waves bend, making it harder to determine where the noise is coming from.
Rain
Another factor is rain, or roads that are wet. Rainy conditions can elevate background noise levels, therefore masking the impact of underlying industrial noise, that is otherwise present and causing nuisance on warm and dry days.
Alternatively, if background noise levels are taken during wet conditions for a new development, this can lead to an incorrect initial assessment, putting the developer at risk of future complaints
Temperature
Temperature fluctuations can impact the density and thickness of air, which consequently affect the transmission of sound. When the air is colder, it becomes denser, enabling sound waves to travel with greater efficiency and potentially leading to higher levels of noise.
Snow
Fresh, powdery snow is a porous substance, and as such, sound waves are ‘absorbed’ into the snow which can provide some level of masking of noise from nearby sources. As the snow becomes more compact, it reflects more light. This causes sound waves to bounce off the surface of the snow, which can create echoes and louder noises.
What are the ideal weather conditions for noise surveys?
The ideal weather conditions for industrial noise assessments are dry, calm, and cool. Acoustic consultants should avoid conducting surveys during heavy rain or snow and in a relatively sheltered location.
The basis of a good design solution is the source data and target noise levels, which need to be assessed without the effects of increased background noise due to inclement weather.
Industrial Noise Control
Environmental noise from industrial sources can usually be resolved by the implementation of a variety of measures depending upon application, in the form of acoustic screens, acoustic louvres, acoustic enclosures or attenuators.
If you have any questions or would like more information on our products and services, please contact Wakefield Acoustics on 01924 418 940 or email via [email protected].
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Engineering excellence in designing, manufacturing and installing industrial, commercial and environmental noise control products and systems.
Whilst the humble sound attenuator may be a relatively simple product, it carries a degree of complexity in its design.
How do splitter attenuators work?
When addressing noise control problems, we often need to implement a combination of measures for acoustic enclosures and ventilation attenuators. To the layperson, it is quite easy to imagine how an acoustic enclosure or acoustic panel system works, in that this is a physical barrier blocking the line of sight and providing some mass between the source and receiver to reduce noise. However, when considering an acoustic splitter attenuator with open airways, the fact you can see the noise source from one end yet still achieve a high level of noise reduction can be difficult to comprehend.
What is an attenuator?
An attenuator comprises of an outer casing, usually steel, though can be any opening for ventilation, (eg. concrete shaft/tunnel or builders work), with a number of ‘splitters’ or ‘baffles’ arranged symmetrically. These splitters are essentially individual casings filled with an acoustically absorbent media (eg. mineral fibre, fibreglass or acoustic foam), and usually with a perforated steel sheet to provide some resistance to impacts, whilst allowing a good open area to retain the acoustic properties of the retained materials. A typical attenuator will comprise multiple acoustic splitters and airways.
As sound waves pass along the length of the attenuator, they are absorbed into the acoustic insulation with the sound energy converted into tiny amounts of heat energy. The combination of the number and size of acoustic splitters and airways allows the acoustic performance of the attenuator to be varied to meet the required noise reduction.
There are several key rules in selecting the best attenuator for the job:
- Thicker splitters for low-frequency noise reduction, thinner splitters for high-frequency
- The higher the free area (e.g. the ratio of airway area vs. splitter area), the lower the performance
- The longer the attenuator, the better the performance
Do splitter attenuators affect airflow?
When installing any item, including a splitter attenuator, into a duct or shaft used for airflow it increases the pressure in the system. This is particularly important when considering a retrofit solution, as any additional pressure will result in a corresponding reduction in airflow. Therefore, when selecting and designing attenuators it is just as important to design correctly for airflow as it is for acoustics.
With the number of factors involved, the design and selection of attenuators for ventilation systems can be a challenge to meet acoustic and aerodynamic parameters, whilst also checking that the physical size can be accommodated.
Should you have a requirement for the design and supply of industrial splitter attenuators or our other range of noise control products, please contact us.
If you have any questions or would like more information on our products and services, please contact Wakefield Acoustics on 01924 418 940 or email via [email protected].
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Engineering excellence in designing, manufacturing and installing industrial, commercial and environmental noise control products and systems.