Noise pollution can have a significant impact on our daily lives, affecting our productivity, sleep quality, and overall well-being. Whether you live in a bustling urban environment or want to create a peaceful oasis within your own home, choosing the right insulation for noise reduction is crucial. Here, we will explore various types of insulation and their noise reduction properties.

The Impact of Noise Pollution

Excessive noise exposure can lead to numerous health issues, including sleep disturbances, increased stress levels, and decreased cognitive function. Additionally, prolonged exposure to high levels of noise can contribute to hearing loss. By effectively reducing noise pollution, we can enhance our quality of life and protect our well-being.

Benefits of Noise Reduction

Implementing suitable insulation for noise reduction offers several advantages. It helps create a quieter environment, improves privacy, enhances focus and productivity, promotes better sleep, and increases the overall comfort of your living or working space.

Factors to Consider for Effective Noise Reduction

When selecting insulation for noise reduction, several factors come into play, such as:

Sound Transmission Class (STC)

STC is a rating system that measures a material’s ability to reduce airborne sound transmission. The higher the STC rating, the better the material is at blocking sound. When choosing insulation, look for higher STC ratings for optimal noise reduction.

Noise Reduction Coefficient (NRC)

NRC measures a material’s ability to absorb sound. Insulation with a higher NRC rating effectively absorbs sound waves, reducing echo and reverberation. Consider insulation materials with a high NRC rating for spaces where sound absorption is important.

Material Density

Denser materials have better sound-blocking properties. Insulation with higher density can effectively reduce noise transmission. Keep this factor in mind when selecting the appropriate insulation type for your needs.

Types of Insulation for Noise Reduction

Several insulation materials can effectively reduce noise transmission. Let’s explore some common options:

Fibreglass Insulation

Fibreglass insulation is a popular choice for its affordability and thermal insulation properties. It can also provide moderate noise reduction. However, its effectiveness in reducing low-frequency noise might be limited.

Cellulose Insulation

Made from recycled paper or plant fibres, cellulose insulation is an eco-friendly option that offers excellent sound absorption capabilities. It can effectively reduce airborne and impact noise, providing a quieter environment.

Foam Insulation

Foam insulation, such as spray foam or rigid foam panels, can create an airtight barrier, reducing noise transmission. It is particularly effective at blocking high-frequency sounds. However, foam insulation might require professional installation.

Soundproof Drywall

Soundproof drywall, also known as acoustic drywall, incorporates additional layers and sound-dampening materials to minimise noise transmission. It can provide significant noise reduction when used in walls or ceilings.

Acoustic Panels

Acoustic panels are designed to absorb sound waves and reduce echo and reverberation. They are often used in recording studios, theatres, or home theatres to improve sound quality and minimise noise.

Mass Loaded Vinyl

Mass loaded vinyl (MLV) is a dense, flexible material that acts as a sound barrier. It is typically used in combination with other insulation materials to enhance noise reduction. 

External Wall Insulation

One of the most comprehensive types of insulation you can choose for noise reduction is an external wall insulation system. This layered system is applied to the exterior walls of your property, providing excellent noise reduction as well as significantly increasing your home’s thermal efficiency and providing you with an attractive new finish for the exterior of your home, all without losing any interior space.

Choosing the Best Insulation for Noise Reduction

When selecting the best insulation for noise reduction, consider the following factors:

Assessing Noise Sources

Identify the primary sources of noise in your environment. This could be traffic noise, neighbour’s activities, or mechanical equipment. Understanding the noise sources will help you determine the most suitable insulation type for targeted noise reduction.

Soundproofing Objectives

Clearly define your soundproofing objectives. Are you aiming to create a quiet home office, a peaceful bedroom, or a soundproof studio? Your objectives will influence the choice of insulation and the areas where it needs to be installed.

Budget Considerations

Take your budget into account when selecting insulation. Some options, such as soundproof drywall or professional installation, may be more expensive. Assess the cost-effectiveness of each option based on your specific needs and available resources.

Other Insulation Properties

Remember that soundproofing is not the primary purpose of insulation. Whatever you choose should also provide good thermal efficiency for your home, so that the temperature you generate in your home stays at the level you want it to, without having to have your heating or cooling system on all the time.


Choosing the right insulation for noise reduction is essential to create a peaceful and comfortable indoor environment. By considering factors like STC rating, NRC rating, and material density, you can select the insulation type that best suits your specific needs. Whether you opt for fibreglass insulation, cellulose insulation, foam insulation, or a comprehensive insulation system such as EWI, reducing noise pollution can significantly improve your quality of life.

If you are looking to install EWI onto your home, please get in touch.