If you need to protect parts or components in your factory or wider supply chain, foam dunnage is essential.
Foam dunnage is a type of foam insert typically used within returnable packaging such as Euro containers. It helps protect parts, components, and products by cushioning them during handling and preventing them from colliding with each other or the walls of the outer container. Plastic foam dunnage can also help improve part density (when added in layers) and assist with packing and unpacking.
At Polyformes, we have been designing, manufacturing and supplying custom foam dunnage for over four decades. We can produce foam inserts tailored precisely to your specific parts, or that are suitable to use with a range of differing items. Our in-house designers and experts can assist you through every stage of your project.
By using foam dunnage at your production site, or as part of your supply chain, you benefit from:

The original meaning of the term dunnage refers to material that keeps cargo in position in a ship’s hold. However, the term also covers the application of adding foam inserts to reusable transit packaging, such as Euro containers.
Foam dunnage protects parts, components, assemblies or finished products in several ways. Firstly, the foam material provides cushioning against impact, vibration and mishandling. Secondly, by bracing the products and containing them in their own compartment, it minimises movement and prevents them from colliding with each other or the container’s outer walls. Finally, the material also protects surfaces against marring, scratches and blemishes.
Foam dunnage is particularly well-suited to returnable packaging, where the inserts and containers are part of a circular production process or supply chain. As a result, foam dunnage is popular in automotive, aerospace and similar industrial manufacturing applications.
It is possible to manufacture foam dunnage to almost any dimensions, ensuring it will fit any container already in use at your business. Alternatively, you can source foam dunnage and outer containers together to guarantee compatibility and fit.

We don’t just manufacture foam dunnage – we gain a detailed understanding of our business and challenges before proposing a cost-effective solution that does exactly what you need.
Understanding
We discuss your requirements with you, gaining a full, detailed understanding of your project.
Develop
Using your products or CAD data, we develop a solution using appropriate materials.
Test
We provide pre-production samples for testing and assurance on fit and quality.
Manufacture
We manufacture your inserts in-house at our specialist foam conversion facility.
Support
We forge long term relationships, providing ongoing support and assistance.
Put simply, we’re experts in all things foam. This expertise, coupled with our experience, manufacturing capability and being part of Macfarlane Group, provides your business with several benefits.
UK manufacture
Short lead times
Foam experts
Single source
Vast experience
Sustainable at heart
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Send us a message
If you need high-performance, single-trip packaging to ship your valuable or fragile products, custom foam end caps are the most cost-effective option. Please contact a member of our team for a free consultation and quote.
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Our experts
The information on this page was written and checked by our team of packaging experts:
Technical Sales
Emma Atterbury
[email protected] | 01525 852 444
Quotes / Pricing
Amy Donnelly
[email protected] | 01525 852 444
Customer Service
Ian Rumsey
[email protected] | 01525 852 444


