How to Connect Shipping Containers – Plus the Benefits

While many business and homeowners can get away with only using one container, there are equally as many people who need multiple shipping containers, especially if you’re building a shipping container home. But, how do you connect shipping containers?

If you’re not sure, don’t worry! That’s exactly what we’re going to cover in today’s post. Whether you’re working with 10′, 20′, or 40′ containers, we’ll break it down for you. So, let’s get into it.


How to Join Two Shipping Containers

First, we remove the lengthwise sides of the storage containers. To combine two shipping containers, an experienced container modification manufacturer cuts the openings in the sides of the containers. and reinforces the openings with steel tubing.

Once the cutting and framing is done, the containers are pushed together. This container is called a clear span.

After the packing containers are set up, installation teams connect the containers together. This is accomplished by either welding or sealing the seam after the placement of structures. A threshold is a long, silver plate that goes over the gap in the floor. Ridge caps are used to seal the containers together on a roof and keep rainwater from seeping in.

Buildings with bigger spans are more likely to need extra support. If a company needs to relocate the container structure, they can separate the containers and ship them individually. Typically this is done on two trucks which makes it easier.

Why People Connect Shipping Containers: The Benefits

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1. To Create Larger Interior Spaces or Clear-Spans

The main benefit of connecting two or more shipping containers together is the ability to create larger interior spaces or clear-spans, which is often needed in construction sites.

When you connect two shipping containers, you are able to get the exterior walls of each container off the ground and out of the way.

The manufactured steel frame of a shipping container provides a sturdy platform on which to put that second container up and leave it open for easy access.

2. To Increase Functionality

Another key reason for connecting shipping containers is increased functionality, especially when it comes to storing goods or materials inside a large warehouse-type setting where space is limited and expensive.

3. To Increase Security

Any open space that is created by connecting two or more shipping containers together is an excellent spot to put a security gate or fence. The steel frames of shipping containers are durable and sturdy, yet lightweight and portable. For example, you can place a container up against a fence and use its weight as part of the locking mechanism for your security system. To Create Large Interiors for Buildings, Vehicle Storage, etc.

Businesses often choose to connect shipping containers in order to create larger interiors, or for more practical things such as vehicle storage.

4. To Increase the Sustainability of a Landscape Design

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Shipping containers are an excellent natural resource for creating unique, low-cost landscapes as opposed to traditional landscaping. Because they are made of plastic and have a steel frame that provides support, they can be set up on almost any surface, including grass and gravel.

They can be used to either add or remove components from a landscape design as needed, and because they are stackable, you can save space when you need it by using only one or two containers for a design instead of three or more.

5. To Use as Storage Space Before Houses Are Built

Many people use two shipping containers in tandem to store their belongings before moving into the new house. This is because

How To Connect Shipping Containers: Considerations and Tips
When you plan to connect shipping containers, there are a few things to keep in mind. For example, always consider ground clearance issues when you choose where to place your connecting steel plates. You will need to maintain a level or level and plumb surface between the two containers.

The Pros and Cons of Connecting Shipping Containers

When you connect shipping containers, there are always pros and cons to consider. The following are some of the benefits and concerns you should be aware of before your do it yourself:

The Pros:

  • Provides more interior space.
  • Creates larger clear spans (the overhead above the container).
  • Can be easily relocated to a new location.
  • Makes a great security system or gate.

Cons to consider in your container project:


  • Height of containers may be higher than the building where they are being put together.
  • An open space can be created between the two containers.
  • They can become a trip hazard or a safety issue to workers.


In conclusion, connecting shipping containers is an excellent way to utilize your space and increase functionality. By connecting two or more shipping containers together, you are able to create larger interior spaces as well as increase the functionality of your existing building.

Many businesses use this method because they already have a warehouse or container that they use for storage. You could also purchase a shipping container and turn it into a home, office, or a workshop space if needed.

Ryan Stetson

Ryan Stetson

Currently own two 20' and 40' containers converted into an office/workshop. Having worked in the shipping industry for 6 years, my goal is to share my personal experiences as well as connect potential container buyers with suppliers around the US.

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