Manufacturers usually make portable storage containers from galvanised steel. They use 12- or 14-gauge thickness and corrugate the metal for extra strength. They also weld the joins from corner to corner.
For the floors, they use marine grade plywood with steel cross members beneath. The plywood is 2.54cm (1’’) thick and tested to endure 7,257 kg (16,000 pounds) of pressure per 9.29 sq m (100 sq ft).
The manufacturers also seal the containers with an elastic compound. The result is airtight, waterproof and fire resistant – and meets ISO standards.
Vertical locking bars fasten the doors. Cam rods and padlocks are available for extra security.
Some manufacturers use timber and GRP as well as steel for their containers. But these models are for the portable office market, rather than for business or domestic storage.
Options
At one end of the scale, there are several basic options for storage containers. At the other, some manufacturers and suppliers offer fully customisable choices.
- Security - Vandal-roof features include heavy-duty locking systems and alarms. You can also have a fire-resistant safe placed in the container for any valuable documents.
- Light - Some containers have sealed windows. Steel shutters mounted on the outside protect the windows when the container is not is use.
- Extra doors - Many larger containers open at both ends. Others have side doors. You can use the side and end doors to gain entry to containers positioned next to each other.
- Shelving - Arranging smaller boxes and equipment can be troublesome. Shelving units provide help, especially if they’re adjustable (as most are).
- Partitions - Again, these can help organise your storage. Simply use separate compartments for different things.
- Ramps - These make the job of pushing trolleys into and out of the container much easier. They also enable disabled access.
- Insulation - A manufacturer can provide additional insulation if your stored items require it.
- Refrigerated/heated - Some stored items need a constant temperature. To allow for this, manufacturers can fit containers with electronic refrigeration or heat control.
- Ventilation - Louvre and turbine vents can provide ventilation. The vents also help to lower humidity in the container.
- Paint - The colour of a container may not seem important. But you may want to choose a colour (and add your company name) if the container is likely to remain on your premises for some time.
Customisable choices
The military, government and businesses use storage containers as temporary offices. This means that the containers may need utilities, toilets, heating, air-conditioning, kitchen facilities, internal cladding, and more. Manufacturers will meet any reasonable requests.