Reference

Storage Rack Glossary

Use this glossary to understand common rack and shelving terminology before comparing systems.

Storage Rack Glossary illustration
Quick answer

Use this glossary to understand common rack and shelving terminology before comparing systems.

Use this glossary to understand common rack and shelving terminology before comparing systems.

Pallet rack terms

Bay
The storage section between two upright frames.
Beam
A horizontal structural member supporting a storage level.
Upright frame
Vertical columns and bracing that transfer load to the floor.
Decking
A surface or support placed across beams.
Row spacer
A connector maintaining spacing between back-to-back rows.

Planning terms

Clear height
Usable vertical space after accounting for building and fire-protection constraints.
Pick face
The location from which inventory is selected for an order.
Selective access
Direct access to each storage position without moving another load.
FIFO
First in, first out inventory rotation.
Important: Use manufacturer documentation and qualified site-specific review for capacity, damage, anchoring, code, fire protection, and industrial installation decisions.

Questions answered

Frequently asked questions

Is terminology standardized across every manufacturer?

Not completely. Always confirm how a supplier defines components and ratings.

What is a rack bay?

The storage section between adjacent upright frames.