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RELOCATABLE UNITS

SELF-STORAGE 8x20

8x20 Self-Storage Unit

10x20 Self-Storage Unit

Boxwell Collapsable Storage Container. This fully custom self storage unit is a flat pack storage container that is delivered directly to your self storage facility. They are easy to build. Boxwell storage containers are different than ocean containers for storage because they are brand new, made to order, fully customizable, and better suited for commercial real estate.

Durable. Versatile. Secure.

Maximize Your Self Storage Facility

No Foundation Storage Containers - Place On Grass, Gravel, Dirt, or Asphalt

Place atop grass
gravel, dirt, etc.

Fully Custome Storage Units and Portable Containers

Fully custom
colors + finishes.

Flat Pack Storage Containers are fast and easy to assemble.

Assembles in 30
minutes or less.

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About Boxwell Relocatable Self-Storage Units

The ultimate convenience for businesses looking to add rental units, fast.
Boxwell relocatables are flexible, moveable buildings designed to fit almost anywhere.

Optimize unit mix, customize colors, and much more. Units are made-to-order and shipped flat-packed to your self-storage facility. 
Assembly is fast and easy, requiring 30 minutes or less per unit. Once built, Boxwell relocatables will last for decades.

Product

Specs

Boxwell Relocatable Self Storage Unit, Sea can size 8 foot by 20 foot. Fully custom containers for storage. One garage roll up door on container end.

ONE END DOOR(s)

One 160 sq. ft. rentable unit or two 80 sqft units (if divided)

20' L x 8' W x 8' H

Door Opening: 5.5' W x 6' H

Tare: 3,300 lbs

Boxwell Relocatable Self Storage Unit, Seacan size 8 foot by 20 foot. Fully custom containers for storage. Two garage roll up doors on container side.

TWO SIDE DOORS

Two 80 sq. ft. rentable units

20' L x 8' W x 8' H

Door Openings: 5.5' W x 6' H

Tare: 3,500 lbs

Boxwell Relocatable Self Storage Unit, Sea can size 8 foot by 20 foot. Fully custom containers for storage. Four garage roll up doors on container side.

FOUR SIDE DOORS

Four 40 sq. ft. rentable units

20' L x 8' W x 8' H

Door Openings: 4' W x 6' H

Tare: 4,000 lbs

MINIMAL SITE PREP


NO FOUNDATION NEEDED
Relocatable storage units sit directly atop the ground. 

PLACE ON VIRTUALLY ANY SURFACE
Grass, gravel, dirt, asphalt, and more. 

MAXIMIZE YOUR LAND
Site layout assistance available.

FULLY CUSTOMIZABLE

 

OPTIMIZE UNIT MIX
One Boxwell unit can be subdivided up to four times. 


CHOOSE DOOR STYLE
Roll-up or swing doors available.

CUSTOMIZE YOUR COLORS
Seamlessly match your existing self-storage facility.

EFFICIENT SHIPPING & DELIVERY

 

FLAT-PACKED FOR ECONOMICAL SHIPPING
Units are shipped flat-packed in quantities of 12.

ON-SITE ASSISTANCE
A Boxwell rep will meet you on site to ensure your first delivery is seamless.

EASY TO ASSEMBLE

 

NO EXPERIENCE NECESSARY
Simple, straightforward assembly requires just 24 nuts & bolts per unit.

LIGHTNING FAST BUILD TIME
Boxwell mobile storage units assemble in 30 minutes or less.

ROCK SOLID CONSTRUCTION


ALL STEEL DESIGN
Highest grade, best quality steel. All hardware is stainless steel and will not rust.

INDUSTRY-LEADING ROOF
Ultra thick, single piece of steel – no weak, saggy weld seams. 

CORRUGATED ROOF
Corrugation adds strength and mitigates water pooling.

EXTENSIVE PRODUCT WARRANTIES

 

1 YEAR COVERAGE
Workmanship, material, and manufacturing defects.

 

5 YEAR COVERAGE
Paint.

 

7 YEAR COVERAGE
3M® vinyl decals.

SUPPLMENTAL SERVICES

 

SITE LAYOUT ASSISTANCE
Our experts will provide you with the best configuration possible. 

 

GRAPHIC DESIGN SERVICES
See graphics and renderings of your units before they’re produced.

 

TURNKEY INSTALL AVAILABLE
Opt for our white glove delivery and install service.

BUILD STORAGE ANYWHERE

 

EASEMENTS & SETBACKS

ALONG FENCELINES

 

UNDER POWERLINES

 

PARKING LOTS & NARROW DRIVES

 

RAW LAND

Durable, Versatile, and Secure 8x20 Relocatable Self Storage Units

Improve your storage solutions with our portable storage containers

Our 8x20 storage containers take your self-storage facility to the next level. Our customer reviews show Boxwell's solid and rust-resistant galvanized steel containers are the perfect solution for your storage needs.

Shipping container storage units built for any weather condition

When finding the perfect storage space, our portable storage containers are just what you need. Our storage containers are weather resistant and provide a safe place for your belongings. Whether you need a storage unit with hinged doors for easy access or a specific width, we have the ideal solution for your storage needs.

Features of Our Portable Storage Containers

  • Various widths available to meet your storage needs
  • Shipping container construction for maximum durability
  • Designed to withstand harsh weather conditions
  • Multiple door configurations, including double doors for easy access
  • Customizable options for your storage needs

Privacy policy and pricing information

Our privacy policy ensures that your personal information remains confidential when you choose our mobile storage container services. We understand the importance of maintaining your privacy and take all necessary measures to protect your information. In addition, our competitive pricing structure offers you the best value for your storage needs. Request a quote today and discover how we can help you maximize your storage space with our customizable options.

Additional space for your storage needs

Whether you need extra space for personal or business purposes, our relocatable self-storage units offer a practical solution. Choose from various sizes and configurations to find the perfect solution for your belongings. Our portable storage containers can be easily expanded or reconfigured as your needs change. So you'll always have the right amount of storage space available.

Frequently asked questions about building storage units

Q: How do I determine the appropriate width for my mobile storage container?

A: The width of your storage container will depend on the items you want to store and the space you need. Consider the size of your items and the space available at your location to determine the most appropriate width for your portable storage container.

Q: What are the advantages of using a shipping container as a portable storage unit?

A: Shipping containers are designed to withstand harsh weather conditions and provide a secure, durable storage space. They are also easily customizable, allowing you to create the ideal storage solution.

Q: How can I protect my items in bad weather?

A: Our portable storage containers are built to withstand extreme weather conditions, keeping your belongings safe and secure. Additionally, you should use weather-resistant packing materials and properly secure your items inside the container to minimize potential damage.

Q: What is the pricing structure for your portable storage containers?

A: Our prices are competitive and vary depending on the size and configuration of your chosen storage unit. Contact us for a quote and more information about our pricing options.

Q: Can I add hinged doors to my portable storage container?

A: Yes, we offer customizable door configurations, including double doors, to give you easy access to your belongings.

Q: How can I protect my privacy using your storage services?

A: Our Privacy Policy describes the steps we take to protect your personal information when you use our storage services. We are committed to protecting your privacy and ensuring the confidentiality of your information.

Build storage units tailored to your needs

Our relocatable self-storage units are designed to meet your specific storage needs. We have the perfect solution if you need a portable storage container with a specific width, double doors for easy access, or a weatherproof unit. With our customizable options and competitive pricing, you can confidently build storage units that meet your needs and maximize your storage space. Contact us today to request a quote and discover the benefits of our high-quality, versatile portable storage containers.

Dimensions & Weights

END DOOR(S):

234″ L x 96″ W x 96″ H
Door Opening(s): 68″ W x 72″ H
Weight: 3,300 lbs

Boxwell Relocatable Self Storage Unit, Sea can size 8 foot by 20 foot. Fully custom containers for storage. One garage roll up door on container end.

TWO SIDE DOORS:
234″ L x 96″ W x 96″ H
Door Openings: 68″ W x 72″ H
Weight: 3,500 lbs

Boxwell Relocatable Self Storage Unit, Seacan size 8 foot by 20 foot. Fully custom containers for storage. Two garage roll up doors on container side.

FOUR SIDE DOORS:
234″ L x 96″ W x 96″ H
Door Openings: 48″ W x 72″ H
Weight: 4,000 lbs

Boxwell Relocatable Self Storage Unit, Sea can size 8 foot by 20 foot. Fully custom containers for storage. Four garage roll up doors on container side.

 

Need a specific size? Just ask! Our units are fully custom and made to order (10′ max length).

Structure

  • 10,000 lbs on base
  • 120 mph wind resistant, 60 psf snow load on roof
  • Easy to build – 24 total nuts and bolts
  • Stackable three-high, fully loaded
  • Fork pockets for easy moving, even when loaded
  • Water, wind, dust, and pest-proof

Interior

  • Anti-condensation spray on ceiling absorbs moisture
  • Two wall vents promote proper air flow
  • Can be subdivided into smaller units with removable partitions
  • Safety and packing stickers included

Services & Warranties

  • Site layouts – ensure your land is optimized
  • Choose the best colors with unit mockups and renderings
  • On-site unload/install assistance upon delivery of first order
  • White glove install service available (subject to additional fees)
  • One year warranty – workmanship, materials, and defects
  • Five year warranty – paint
  • Seven year warranty – 3M® vinyl decals

Steel Construction

  • Highest grade and best quality steel, SPA-H and SPA-C
  • All hardware is stainless steel and will not rust
  • Roof is made of single piece of steel – will not sag or rust
  • Corrugated roof mitigates water pooling
  • “Shoe box” style roof overhang prevents water from running down walls

Door

  • Roll up or swing doors available
  • Roll up doors come pre-assembled and lubricated
  • Wide variety of lock assemblies, including smart locks
  • Roll up doors are ADA compliant
  • Match existing buildings – choose from a wide range of colors

Decals

  • Serial Numbers: 3M brand vinyl decals, 2 on each corner guard (8 total)
  • Logos/Artwork: 3M brand vinyl decal on 3 sides – 7 year warranty
  • Graphic design available
Light Finish wood flooring, Boxwell plywood floor, coated and sealed, non slip, non toxic, non odorous.

Flooring

  • 19 mm marine grade plywood
  • Triple sealed with non-slip, non-odorous coating
  • Floor is raised off the ground to allow proper drainage
  • Light or dark finish available
  • Diamond plate upgrade available

Photo

Gallery

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Build Your Box: Fully Customizable Self-Storage Units  

May 15, 2025

Designing your storage facility shouldn’t mean settling for standard. With Boxwell, you can fully customize your self-storage units—from size and door style to flooring, color, and layout—so they work for your site, your brand, and your customers. Build your box your way, and turn smart design into long-term success.

Read More »
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