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Quality you can see, experience you can trust.

Qualities of a Good "Used" Shipping Container

Shipping Containers as Storage Units

Shipping containers for sale on the storage market can all look the same, but there are some things to look out for which can give an indication on if a container is sound. Shipping containers will either be used (10-15 years old already, and retired from the shipping lines), or once-used (a once-used container will have been shipped once with cargo from the country on manufacture in order to keep costs of import down). Although a used container is cheaper than its once-used counterpart, this doesn't mean it should be any less effective as a storage unit, and can be a good solution for customers working to a tight budget.

Things to look out for when purchasing a used container

Used containers aren't always the most aesthetically pleasing. You can expect your used container to have dents, dings, scrapes and rust. These qualities do not mean the container is unsuitable or unfit for purpose, they're just signs of its previous life as a shipping container. However, there are certain characteristics of used containers which give a good indication as to their quality:
  • Fully seam welded patch repairs. These containers will have been shipping cargo across the oceans for many years, often stacked high on cargo vessels and filled with a variety of different cargo. As such, between the ocean air, salt water and handling at various shipping depots across the world, some containers will have required maintenance and patching in order to keep them usable. This involves a welder removing a broken or damaged part of the corten steel and replacing it with a matching piece of corrugated steel, fully seam welding the patch to ensure the container is still watertight and structurally sound. Some people see these patches as unsightly, however a proper seam welded patch shows a repaired container, not a broken one.

  • Intact seals and 'free and easy' doors. Shipping container doors have seals around the outside to prevent any water ingress damaging the cargo inside whilst the container is in transit. Something to keep an eye out for is to make sure the container door seals are still intact and line up properly against the container. We call these doors the S2 doors, however we actually manufacture other door types specifically for the storage market. You also want to check your original container doors are 'free and easy'. Used containers have a reputation for having stiff and difficult doors. Whilst common, you want to make sure the doors are able to open and close properly. Sometimes rust can build up inside the hinges, making the doors unusable, let alone stiff!

  • No light when you're inside. Sounds simple, but as these units will have been shipped numerous times, rust will be evident. This is normal as Corten Steel is designed to rust to provide further protecting against the elements however, if untreated, it can corrode the whole way through. One of the first checks we perform when inspecting used units which come into our depot is to go inside the container and close the doors. If we can see light peeking through anywhere, we know the unit will need repairing to make it watertight again.

Four Door Options

All our used shipping containers come with a choice of four door types, suitable for different types of usage. See our 20ft used products with our four door types below:

20ft used container S1 doors
20ft container S2 doors
20ft container S3 doors
20ft container S4 doors

If You Have Any Questions

If you have any further questions about qualities you need to look for in a shipping container, please don't hesitate to contact us by phone or email.

Testimonials

As a long established and reputable shipping container company, we want to instil confidence in our customers that we can deliver on our promises, and provide high quality products and service.

But don't just take our word for it, see for yourself what our past and present clients have to say about Containers Direct.
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"You have proved to be excellent. You are pretty competitive and always provide a container of good quality exactly to our spec. Cory and the team have proved to be good sounding boards for ideas and able to provide lots of practical advice too." City of Edinburgh Council
24th October 2025
order - a Used 15ft Container
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"Very pleased with service, right through the process including making arrangements for an earlier delivery day." Mark Yemm - Westons Cider
24th October 2025
order - a Used 30ft Container
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"The delivery driver was excellent - really helpful with a 'can do' attitude." Jon Fowler - Drayton Parish Council
15th October 2025
order - a 'Once-Used' 20ft Container
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"I would recommend this service across the channel island to all." Island Waste Ltd
8th October 2025
order - a Used 20ft ModiBox Container
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"You've done a great job, thank you very much." Tristan Dodd - PEC Tyres
7th October 2025
order - two Used 30ft Containers
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"Excellent service and delivery was great." MSL Property Care Services Ltd
1st October 2025
order - a Used 16ft Container
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Committed to Quality

We are ISOQAR Approved and certified to ISO 9001:2015 Quality Management Systems, demonstrating our commitment to excellence. We are also members of MakeUK, who champion British manufacturing, and the Container Self Storage and Traders Association (CSTA), representing global operators and innovators. In addition, we are registered members of JOSCAR, the Joint Supply Chain Accreditation Register.

ISOQAR Approved – ISO 9001:2015 Certificate No. 13586-QNS-001

ISO Cert No. 13586-QNS-001
ISO 9001:2015

MakeUK Member – Supporting British Manufacturing
Container Self Storage and Traders Association Member
JOSCAR Registered Member
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