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Containers Direct logoQuality you can see, experience you can trust.
Quality you can see, experience you can trust.

Instructions On How To Join Up Your Containers On Site

What Are Joined Up Containers?

One of our most popular conversion projects is to join up two or more shipping containers together to form wider, or longer, spaces. These conversions have become more popular as shipping containers are more commonly used instead of traditional building materials. Although containers can be limited in terms of width and length, in joining up containers, we are able to offer wider or longer spaces whilst keeping the industrial feel and cost effective nature of upcycling an existing product.

How to join on site

When your joined up units arrive, we want to make sure you're able to join the units easily and securely, so we've written up our top tips. When the containers arrive on site, make sure they're perfectly level. This will prevent the containers from "racking out", which is where the containers twist slightly leaving it difficult to open and close the doors.

  1. When your containers arrive remove all the visqueen plastic and screws to show the interior of the units.

  2. The haulier is to butt the containers up on solid, level ground as close together as possible so the four corners are touching top and bottom.

  3. Fill any exposed gaps on the exterior with the expanding foam provided

  4. Place the white PVC capping provided over the protruding welded steel rail at the top of the units.

  5. Heat and lay the flash band that will also be provided along the edges of the PVC Capping and down the sides of the units so no water can get in.

  6. Paint over the flashband in the matching paint that comes with the materials provided.

  7. Screw the floor tread plates across the interior joins of the units.

The Kit

Customers will be provided with a simple, yet effective, joining kit:
  • PVC capping

  • Tin of matching paint

  • Tread-plate

  • Expanding foam

  • Flashbanding




If You Have Any Questions

If you need further clarification or assistance, please give us a call, and a member of our team will be happy to guide you through the process to get your joined up containers up and running as quickly as possible.

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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"Good communication about the delivery of the containers. Both the chaps who delivered them did it so effortlessly, like it was no bother at all! Amazing, will use containers directly again, who gave the best quotes too!" The Techie Whisperer Limited
14th September 2026
order - a Used 10ft Modibox Office and a Used 20ft Container
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"All aspects of the process, including communication and service across all the departments, were excellent. In particular, though, the delivery driver stood out. We deal with a lot of delivery companies on site, and by comparison, the service provided by the driver was excellent - super helpful during delivery and great communication." University of Edinburgh
10th September 2026
order - a 3m Flat Pack Store Container
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"Excellent service. Very happy, thank you." Surrey County Council
3rd September 2026
order - a 'Once-Used' 20ft Container
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"The delivery driver was very helpful and did a great job." Groove Armada Ltd
11th August 2026
order - a Used 15ft Container
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"Superb, friendly delivery team, very helpful with unloading and took great care with product. Very pleased with the total buying and delivery process." Bob Hart - QSS
10th August 2026
order - two Insulated Flat Pack Stores
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"Fantastic service and excellent product." Lostock Hall Juniors Football Club
5th August 2026
order - a 'Once-Used' 10ft 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-QMS-001
MakeUK Member – Supporting British Manufacturing
Container Self Storage and Traders Association Member
JOSCAR Registered Member
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