Double-deep pallet racking is a high-efficient storage system with two rows of racking standing back-to-back. It’s a FILO (first in last out) system that fits the products with low numbers of SKU but large inventory for each SKU. Double-deep pallet racking is widely used in paper making, plastic products, tobacco, food, packaging materials and many other industries. How do you know whether double-deep racking system is suitable to your warehouse? You will get a clear understanding after reading this article.