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Cubis access chambers are built using the pioneering STAKKAbox™ system. This internationally specified range of modular, structural and preformed access chambers offers flexible solutions across many different applications and markets. The STAKKAbox™ Fortress offers a flexible access chamber system that provides a modular scalable solution built on-site with easily connectable components, significantly reducing the costs of in-situ construction through time saving along with offering greater health and safety benefits for installers due to its lightweight properties