Home > A guide to the top four types of warehouse pallet racking

A guide to the top four types of warehouse pallet racking

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Storage Ideas offers a guide to different types of warehouse pallet racking solutions, each designed to fit specific storage requirements.

Double Deep Pallet Racking

Considered by many companies as a cost effective method of bulk storage, double deep racking is not a truly selective system as access and stock rotation are compromised compared to selective pallet racking; however cube utilisation is much higher. Specially designed forklifts use a variety of double deep reach mechanisms to allow easy placement and retrieval of pallets.

Key advantages include greater use of available headroom; good access to 50% stock locations; stock rotation enabled; efficiency in operation; relatively low cost racking system; and 40% increase in storage capacity.

Average of locations used - efficiency: 90%

Immediate access to stored product: 50%

Stock rotation: Average

Floor utilisation: 60%

Drive-In Pallet Racking

Drive-in pallet racks are low on cost and big on high density storage. Drive-in pallet racking is a continuous block of racking with no aisles, offering high density storage, typically for non-perishables.

Key advantages include almost twice the storage capacity over selective methods; high density storage system; relatively low capital cost in comparison with other high density solutions; used with standard forklift trucks; and working on Last In First Out (LIFO) principle.

Average of locations used - efficiency: 75%

Immediate access to stored product: 25%

Stock rotation: Poor

Floor utilisation: 65%

Narrow Aisle Racking

While use of narrow aisle racking systems typically increases the capital cost of the storage and materials handling equipment, this is generally offset by savings in land and building costs. A very flat floor is necessary for the safe operation of turret trucks and automatic stacker cranes.

Key advantages include high density storage up to 13 metres; good accessibility - 100% selectivity; excellent utilisation of floor space with aisles occupying not more than the pallet width; and very fast throughput capabilities.

Average of locations used - efficiency: 90%

Immediate access to stored product: 100%

Stock rotation: Good

Floor utilisation: 50%

Selective Pallet Racking

One of the most common of all storage systems for palletised goods, selective pallet racking also offers extreme simplicity in terms of equipment and the most economical solution in capital costs.

Key advantages include greater use of available headroom; immediate access to any pallet; stock rotation enabled; versatile and easily configured; suitability for order picking; and efficient and economical operation. 

Average of locations used - efficiency: 90%

Immediate access to stored product: 100%

Stock rotation: Good

Floor utilisation: 30%

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