Storage shelf weight capacity, explained
Load ratings decide what a shelf can safely carry. Here is how to read them and how to load a metal shelving unit so it stays straight.
Key takeaways
- Per shelf vs total
- Load it like a pro
- Stability
Per shelf vs total
A per-shelf rating tells you how much one deck carries with the weight spread evenly. A total rating covers the whole unit. A 5-tier shelf rated 100 lb per shelf and a heavy-duty unit rated 1,000 lb in total are built for very different jobs.
Load it like a pro
Heaviest items on the bottom tier, centred and spread across the deck. Everyday items at eye level. Light bulky boxes on top. Never stand on a shelf.
Stability
Use the leveling feet on uneven floors and fit the anti-tip kit on tall units, especially in homes with children.
FAQ
Does wheel mounting reduce capacity?
Often, yes — check the product page, since some ratings differ with wheels fitted.
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