Back Flexistore Self Storage, Oslo Address: Smalvollveien 28, Oslo Type: Warehouse Year: 2023 Scope: Steel structures (50t), load-bearing sheets (700 m²), precast slabs (1,100 m²), soft roof with membrane (700 m²), Ruukki® fire safety panels (1,300 m²), windows/doors/gates (100 m²).