How to Soundproof a Shipping Container: Complete Guide

Shipping containers are no longer just for transporting goods. Across the UK, they are being repurposed as workshops, generator housings, music studios, plant rooms, and offices. But while containers offer flexibility and durability, there is one major drawback: noise.

Containers are not designed to be soundproof, and their steel construction means that sound can escape easily. Whether you are running noisy industrial equipment, rehearsing music, or housing a generator, reducing noise levels is essential – not only for comfort but also for compliance with UK noise regulations.

In this blog, we’ll explore the most common questions around soundproofing shipping containers, the best materials and methods to use, and why working with a professional container conversion company like S Jones Containers gives you the most effective results.

Can I Soundproof a Shipping Container?

Yes – it is absolutely possible to soundproof a shipping container. However, it requires specialist modifications. Standard shipping containers are made from corrugated steel panels, which are thin and excellent at transmitting vibrations. Inside, noise levels are amplified because sound waves bounce off the metal surfaces.

The solution is to install sound attenuation measures such as acoustic linings, insulation layers, and specialist panels. With the right combination, you can create a container that keeps noise in (or out), while maintaining ventilation and usability.

At S Jones Containers, we regularly design sound-attenuated container conversions for clients across industries from energy storage to music and media.

What Types of Noise Do I Need to Consider?

When planning to soundproof your container, you’ll need to address two main categories of sound:

Airborne Noise – Sounds that travel through the air, such as voices, music, or general machinery hum. These can be blocked by increasing the mass and density of your container walls, ceilings, and floors.
Low-Frequency Noise (Bass Sounds) – Vibrations from heavy machinery, compressors, or generators. These carry more energy and travel through solid surfaces. To reduce them, you need specialist absorption materials that dampen vibrations.

Both noise types must be considered for an effective solution. Ignoring low-frequency vibrations, in particular, can mean your container still causes disturbance, even if high-frequency sounds are reduced.

Which Parts of the Container Should Be Soundproofed?

Sound doesn’t travel in one direction, it radiates everywhere. To properly soundproof a shipping container, you need to address every surface:

Walls: Install dense materials like mass-loaded vinyl, acoustic foam, or soundproofing panels. Adding a lining system can also improve insulation and appearance.
Ceiling & Floor: Use the same materials as the walls. For maximum performance, consider a floating floor system to isolate vibrations.
Doors & Windows: These are common weak spots for sound leakage. Apply acoustic seals, weatherstripping, or fit heavy soundproof curtains/blinds.

By addressing all these areas, you can significantly reduce both noise escape and external interference.

What Advanced Soundproofing Options Are Available?

In some industries, basic acoustic insulation isn’t enough. For example, when housing generators, compressors, or industrial equipment, you also need to control heat and airflow without compromising soundproofing.

Advanced solutions include:

Sound-attenuated louvres – Allow ventilation while preventing sound leakage.
Air splitter technology – Breaks up airflow paths to reduce noise transmission.
Forced-air cooling and air conditioning – Keeps equipment cool while maintaining sound attenuation.

These modifications ensure your container remains safe, compliant, and efficient, even under heavy use.

How Much Does It Cost to Soundproof a Shipping Container?

The cost depends on several factors:

The size of the container (20ft, 40ft, or custom-built).
The level of soundproofing required (basic lining vs advanced attenuation).
Additional needs such as ventilation systems or climate control.

While DIY soundproofing with foam panels may seem cost-effective, it rarely achieves the required results for commercial or industrial use. Professional modifications ensure compliance with UK environmental noise regulations, long-term durability, and peace of mind.

For an accurate cost, it’s best to request a tailored quotation from a container conversion specialist.

Can I Soundproof a Container Myself?

DIY methods can reduce noise to a certain extent. For example, installing acoustic foam or mass-loaded vinyl panels will help with airborne noise. However, tackling low-frequency vibrations, ventilation requirements, and regulatory compliance is far more complex.

For businesses and industrial users, professional container soundproofing conversions are the recommended approach. This guarantees that your container not only reduces noise but also operates safely and in line with planning requirements.

Why Work With S Jones Containers?

With over 40 years in the industry, S Jones Containers has a proven track record in container conversions across the UK. We have delivered soundproofed container solutions for:

Manufacturing and engineering firms
Power generation and battery storage facilities
Music, film, and creative industries
Research and development laboratories

When you choose us, you get:

Bespoke designs tailored to your equipment and environment.
Expert advice on compliance with UK noise regulations.
High-quality materials and engineering for long-lasting performance.
Full end-to-end service, from design through to delivery.

Get in Touch

If you’re looking for a soundproofed shipping container conversion in the UK, our specialist team can help. Whether you need to house noisy machinery, create a private workspace, or meet planning restrictions, we’ll design a solution tailored to your needs.

Call us today on 01922 741 751 or request a free, no-obligation quote online.