Overview: Superior-density system exactly where forklifts travel right into rack bays to retail store pallets deep, lowering aisles and maximizing space. Aluminum: This is certainly a lightweight and corrosion-resistant material that is commonly used in warehouse racking systems. This racking system operates on a principle similar to pallet flow racking. https://www.huachiewtcm.com/forum/topic/6071/rock-johnson-foundation-number&p=2