Relocatable Storage Buildings


Portable Storage Buildings


The additional space you have been looking for.

Modular, Mobile & Affordable!




Portable storage buildings or movable storage buildings, also known as our Moveable Additional Storage Structure (MASS) units, are more flexible than traditional buildings and are perfect for adding additional storage space. These units can be placed in any location and can be relocated with a forklift when necessary. Ideal to be used as External Garage Units, our portable external storage units offers an affordable way to test the waters if you are planning to enter the self storage business.

Single or multi-units – you choose. They’ll go into spaces you wouldn’t traditionally build on and planning consent will be simpler if it is even required at all!

Each portable storage structures are designed to reflect the same look and branding of your permanent storage units, while offering the same structural and safety features. Additionally, portable storage units offer tenants drive-up convenience that saves time and energy.

Our portable storage units are a configurable, ready-made solution. Single room, multi-room, and mixed sizes can be built to suit your requirements. Each one can be delivered fully assembled or in kit form for on-site assembly. We offer customised, flexible portable storage solutions that will meet your self storage needs.

Short manufacturing lead times allow you to tap into demand by increasing your chargeable space quickly and economically. Our drive-up self storage buildings (or MASS units) will increase self storage construction space and revenue, which ultimately will result in higher profits.

Drive-up self storage units are typically manufactured in a standard size. However, Janus International can build our movable storage units to suit your requirements. We have built custom, extra wide access buildings in the past and have paired our doors with these units for optimal results.

If you are currently faced with any of the following issues, portable storage units may be the solution for you:

  • Unused outlying property along fences or property lines
  • Need for more storage units/rental income, but construction funds are prohibitive.
  • Tenants are looking for drive-up storage units and are happy to pay higher rentals for this convenience.
  • Unused parking areas
  • Available land on utility easements or a sloping land that is unsuitable for permanent construction
  • MASS units offer a cost-effective extension of the construction your facility, delivering the same look without the construction costs or zoning issues.
  • Many local governments classify portable storage units as equipment, so you may be able to bypass lengthy permission processes, too. Tax devaluation advantages may also exist.
  • Can be delivered pre-built or erected onsite, ready to generate immediate income
  • Easily accessible to renters: A feature that allows you demand higher rent as tenants are looking for drive-up storage
  • portable storage units allow owners more flexibility than traditionally constructed building structures. Because they are movable, they can be placed in areas where you would not traditionally build.
  • Easily moveable by a forklift.

Portable storage units are ideal for those looking to dip their toe in the water of self storage investment. They can well


You choose the style, you choose the colour and you choose the door!



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Multiple Awards Winner

Best Self Storage Door
Best Retrofitting
Best Self Storage Door