Double Deep Pallet Racking increases storage density by storing two pallets back-to-back in a single row instead of one. This system places pallets two rows deep,similar to selective racking, allowing higher storage capacity while still maintaining relatively simple and quick access to pallets. Key Features: It does efficient use of warehouse space, relatively quick access to pallets with the use of specialized forklift’s but does not provide direct access to pallets stored in back.