Flat Pack Shipping Containers 6m (20ft) Flat Pack Storage Container
Pricing
6m flat pack storage container in grey or green, with approximately 11.3m2 of internal floor space. Self-assembly, demountable and available with alternative door positions agreed during quotation.
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- Assembly
- Dimensions
- Technical Information
- Colour Choices
- Door Options
- Delivery
- Optional Extras
*Picture for illustration purposes only*
6m flat pack storage
This 6m flat pack store gives you a larger self-assembly storage space, with nearly 5.7m of usable internal length. The assembled unit measures 5860mm long x 2146mm wide x 2110mm high, with internal dimensions of 5699mm x 1985mm x 1962mm.
The unit is available in grey or green and can be assembled on site, then dismantled again if it needs to be relocated. Door configuration and position are agreed during the quote process. The short-side double-door arrangement shown in the technical drawing provides a clear opening of 1850mm wide x 1900mm high.
Key benefits
- Approximately 11.3m² of usable internal floor space
- 5699mm of internal storage length
- Door configuration and position agreed during quotation
- Short-side double-door option with an 1850mm wide clear opening
- Available in grey or green
- Demountable self-assembly design
- Integrated gutters along the long sides of the roof
- Designed for forklift or crane handling
Load bearing capacity
- Distributed floor load: 250kg/m²
- Point floor load: 200kg
- Snow load: 220kg/m²
- Wind load: 130kg/m²
- Distributed floor load during crane lifting: 200kg/m²
A minimum 200mm x 200mm pressure area is required when applying a point load to the floor. Protection against tipping is required for the stated wind load.
Why the 6m size works
More usable storage space
With internal dimensions of 5699mm x 1985mm, the 6m model provides approximately 11.3m² of floor space. The extra length gives you significantly more room for larger storage requirements while retaining the demountable flat pack format.
Choose the door layout when you order
Door position is agreed during the quote process rather than fixed to one layout. The short-side double-door configuration shown in the technical drawing provides an 1850mm wide x 1900mm high clear opening, while a centrally positioned door arrangement can also be requested at the same price.
Technical specification
| 6m flat pack container dimensions | |
|---|---|
| Overall external length | 5860mm |
| Overall external width | 2146mm |
| Overall external height | 2110mm |
| Base frame footprint | 5777mm x 2063mm |
| Internal length | 5699mm |
| Internal width | 1985mm |
| Internal height | 1962mm |
| Approx. internal floor area | 11.3m² |
| Door configuration | Agreed during the quote process |
| Door position | Short-side arrangement shown in the technical drawing; centrally positioned doors can also be requested at the same price |
| Double-door opening shown | 1850mm wide x 1900mm high |
| Door threshold shown | 97mm |
| Flat pack materials and build | |
| Frame material | Galvanised S235 JR steel |
| Steel sheet material | DX51D +Z |
| Floor frame | 3mm cold-formed welded galvanised steel profiles |
| Floor | OSB 3 board |
| Walls | 0.6mm trapezoidal steel sheets joined by spot welding, with top and bottom supporting profiles |
| Roof | 0.6mm trapezoidal steel sheets joined by spot welding |
| Integrated gutters | 1.2mm gutters along the long sides of the roof |
| Door frame | 1.2mm cold-formed galvanised welded steel profiles |
| Door wings | 0.6mm trapezoidal steel sheets with 0.6mm cold-formed internal supporting profiles |
| Colour options | Grey or green |
| Handling and assembly | |
| Forklift handling | Minimum 1200mm fork length |
| Forklift pocket spacing | 900mm centre-to-centre, 1146mm overall outside span |
| Crane handling | Use the designated lifting points with ropes or chains at a minimum angle of 60° to the horizontal |
| Handling restriction | The unit must not be loaded during handling |
| Stacking | Units must not be stacked on top of one another |
| Assembly surface | Assemble on level ground to help prevent floor distortion and problems aligning the door wings |
| Assembly fixings | Hand-tighten bolts during initial assembly, then fully tighten them once the unit is assembled |
Why choose flat-pack containers
Flat-pack cabins arrive as compact panels, then assemble on site. They are ideal when access is tight, cranage is not practical, or you want a unit you can relocate later. Explore the full flat-pack range or use Quick Quote for the fastest advice and pricing.
Quick assembly on site
Build with basic tools in hours, not days, once your base is level. Compare sizes and layouts in our flat-pack container range.
Secure and site-ready
Galvanised steel panels with robust, lockable doors help protect equipment and stock. For controlled entry points, see the flat-pack security kiosk.
Delivered flat-packed for tight access
Compact delivery and man-portable panels suit restricted sites and back-of-house installs. Need a warmer internal environment? View insulated stores.
Demountable and relocatable
Reconfigure or move your unit as your site changes, without committing to a permanent structure. For short-term deployments, consider a pop-up container.
12 Month Guarantee
All flat-pack units include a 12-month fair wear and tear guarantee. If you have questions about suitability, access, or base preparation, contact our team or send details via Quick Quote.
Request a Quick Quote!
Contact our sales team for your no-obligation quote, including delivery!
Quick and easy assembly
See our assembly guide for the full step-by-step process. In most cases, installation is straightforward with basic hand tools and a sensible setup on site.
Before you start:
- Assemble on level, solid ground to avoid chassis twist and panel misalignment.
- Read through the full instructions first and lay out panels and fixings so you can work methodically.
- Hand tighten all nuts and bolts during initial assembly, then fully tighten everything once the unit is complete.
Tools typically required: 13mm spanner, 19mm spanner or sockets (or a socket set), and a screwdriver.
Safety and good practice: Take care when lifting panels and positioning the roof section, and assess the area for local hazards and access constraints. If the unit includes a door panel, keep the door locked while fitting and remove the taped keys before installation. Once assembled, re-check all fixings for tightness and keep the original packaging if you plan to demount, move and reassemble the unit in future.
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As a long established and reputable flat-pack container supplier, we want to instil confidence in our customers that we can deliver reliable lead times, straightforward self-assembly, and a product that performs as expected.But don't just take our word for it, see for yourself what our past and present clients have to say about Containers Direct.
"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
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"Second time I have used service, it was as good as the first. Great comms from start to finish. Even though the delivery driver was independent, he carried on the great service and made sure everything was correct, very polite and went above and beyond his needs. Already recommended to a number of local people that are now looking into buying a similar product."Robertson Pens Scotland
28th May 2026
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