Penn Elcom, the Sussex-headquartered British steel manufacturer, has announced the launch of the country’s first DIY self-storage system to allow smaller businesses and individuals to gain access to the booming sector. Called the 3S range, the new ground-breaking system has been developed to allow the user complete flexibility to create any-size unit, in locations that have no pre-existing self-storage capabilities. The self-assembly system, the first of its kind in the UK, is more than 30% cheaper than pre-made/established units and allows the installer to quickly erect units with minimal tools.…