Clean wire shelving one section at a time: empty it, wash the wires and posts with warm water, a mild detergent and a soft nylon brush, rinse with clean water and dry it completely before loading it again. Skip steel wool and gritty powders, which scratch chrome plating and epoxy coating and open the way to rust.
Shop the equipment in this article: wire shelving, wall shelves and shelving accessories. Freight is included on every order.
Why wire shelving needs a cleaning routine
Open wire lets air move around stored food, which is why it is a common choice for walk-ins and dry storage. The same open design catches dust, flour, sticky drips and condensation on every wire and in every joint where a shelf meets a post. Left alone, that film turns into grime, mold spots in a walk-in, and rust where the finish is damaged.
The FDA Food Code requires nonfood-contact surfaces of equipment to be cleaned often enough to keep soil residues from building up (Food Code 4-602.13). Shelving is a nonfood-contact surface in most kitchens, so there is no fixed schedule in the code; the test is whether residue is building up. The same applies to commercial kitchen wall shelving over prep tables and sinks, where splash and grease land every shift.
What you need
- Warm water and a mild dish detergent
- A soft nylon brush and a small bottle brush for joints
- Soft cloths or sponges
- A bucket or a free sink compartment
- Clean water for rinsing
- Dry towels
- Space in another cooler for food while a section is empty
Step by step
- Pick one section. Do not empty a whole walk-in at once; work one unit at a time so food stays cold.
- Move the food to another cooler or reach-in that holds 41 F or below, the cold holding limit in the Food Code (Food Code 3-501.16). Keep it covered and in order so nothing gets lost.
- Brush off dry debris such as flour, crumbs and onion skins before you add water.
- Wash each shelf top and underside with warm detergent water, scrubbing along the wires. Use the bottle brush on the clips where shelves meet the posts. Follow any care instructions from the manufacturer.
- Wash the posts from top to bottom, then the feet or casters.
- Rinse with clean water to remove the detergent.
- Dry everything with towels. Chrome in particular should not be left wet.
- Clean the floor under the unit while it is empty, since that is where spills settle.
- Reload the shelf with the oldest product in front and the bottom shelf at least 6 inches off the floor (Food Code 3-305.11).
Chrome and green epoxy are cleaned the same way, but treated differently
Our wire shelving comes in two finishes. Chrome is for dry storage, and our product pages say so plainly: for walk-ins and damp areas, choose green epoxy. The cleaning method is the same for both, but what you look for is different.
- Chrome: look for dull spots, pitting or orange specks. Those mean moisture has reached the steel. A chrome unit that rusts in a walk-in is usually in the wrong room, and cleaning will not fix it.
- Green epoxy: look for chips and scratches in the coating. Steel shows through a chip and can rust there. Do not scrape the coating with metal tools or abrasive pads.
Both finishes come from us as NSF certified Express KitchQuip parts: posts, shelves sold two per box with clips, and wall shelves with brackets.
Check the clips and posts while the shelf is empty
An empty, clean shelf is the right time to check the parts that hold it up. Each shelf rests on plastic clips that snap around the posts. Look for cracked or missing clips and for a shelf that sits lower on one corner. Our guide to a wire shelf slipping down the post covers the fix. Check that the feet are level and, on a mobile unit, that the casters roll and lock.
Load limits matter more after cleaning, when a shelf is often reloaded in a hurry. Our chrome and epoxy shelves hold up to 850 lb each in lengths of 48 in. and shorter, and 600 lb each at 54 in. and longer. The epoxy wire wall shelf holds up to 450 lb on its brackets. Spread heavy cases along the shelf instead of stacking them in one spot.
How often to clean
A common practice schedule is a quick wipe of spills the same day, a weekly brush-down of dry storage shelving, and a full empty-and-wash of each walk-in unit about once a month, more often where produce, raw meat or condensation make it dirty faster. Your local health department has the final say on what it expects to see at inspection.
What to buy
If a chrome unit is rusting in a cooler, replace it with green epoxy posts and shelves from our wire shelving range: posts come in 1 in. diameter, four per pack, from 14 to 86 in. tall, and shelves come in 14, 18, 21 and 24 in. depths. For storage on the wall above sinks and tables, compare our stainless and wire wall shelves, and add brackets or casters from our shelving accessories. Express KitchQuip wire shelving is NSF certified, and freight to the 48 contiguous states is included in the price.