How to Clean Commercial Aluminium Sheet Pans

Commercial aluminum sheet pans are the workhorse of the kitchen. If you work in a bakery, restaurant, or catering kitchen, you’re likely using your sheet pans every day to roast, bake, or make sheet-pan dinners. And as they get that much work, they start to collect grease, charred food and dark stains fast. If they’re not cleaned properly they can warp, discolour or wear out before their time.

In this guide we walk you through exactly how to clean commercial aluminium sheet pans (we cover the two most common types here: Aluminum Sheet Pan, Open Bead and Aluminium Sheet Pan, Closed Bead) step by step, in easy to follow language.

Quick Answer on How to Clean Commercial Aluminium Sheet Pans

Washing with warm water and a bit of mild soap is usually enough to keep a commercial aluminium sheet pan clean. Baked-on grease can be removed with a simple paste of baking soda and water, or with a soft scrub pad, without scratching the surface. It is always a good idea to rinse the pan well and let it dry completely before it goes back into the cupboard. Putting these pans in the dishwasher or using steel wool and harsh chemicals often leads to trouble. Over time, those methods can cause pitting and discolouration that eventually ruins the aluminium.

Why Aluminum Sheet Pans Need Special Care

Aluminium is a common choice for commercial kitchens because it is lightweight and spreads heat well. Since it is a relatively soft metal, though, it can get scratched or dented pretty easily if you do not handle it right. It is also sensitive to harsh chemicals, acids, and many dishwasher soaps. These things can cause the surface to turn grey, develop small rough pits, or end up with a dull, chalky look. It can even warp if you change its temperature too quickly. Understanding how the metal reacts helps explain why you have to be specific about how you clean it, which is what we are going to look at next.

What You’ll Need

Warm water
Mild dish soap
Baking soda
Soft sponge or nylon scrub pad (never steel wool)
Soft cloth or towel

Optional: white vinegar, cream of tartar, or a speciality aluminium cleaner

Step-by-Step: How to Clean Commercial Aluminium Sheet Pans

Step 1: Remove the Scraping

When the pans are cooled, scrape out the leftovers and parts that are burnt with a plastic scraper or spatula. Do not use a metal scraper because it will scratch the coating, leaving a place for the grease and dirt to encrust and become worse over time.

Step 2: The Soaking

Get a big basin and fill it with warm water and some gentle dish soap, and place the pan in the water. Let it soak for ten to fifteen minutes. This will help dissolve the grease and other things making them stick to the pan, making it easier to clean the pan without scrubbing too hard.

Step 3: The Scrub

If there are grease stains or dark ones, make a paste with three portions of baking soda and one portion of water. Put the paste on the stains and let it sit for ten minutes, then scrub it off with a gentle sponge or a nylon pad, leaving it there for a couple of minutes. Soda is not too abrasive, and it will clean off dirt without being a scratcher on the aluminium.

Step 4: The Rinse

When the pan is cleaner than before, rinse it with warm water and then repeat the previous step to make sure there is no soap or baking soda left to stain or ruin the flavour of the food.

Step 5: Dry Immediately

Dry the pan right away with a soft towel. Air-drying or leaving it wet can cause water spots and encourage oxidation (that dull grey film aluminium gets over time).

Step 6: Buff for Shine (Optional)

If you want a bright, like-new finish, rub the pan lightly with a cloth dipped in white vinegar or a paste of cream of tartar and water. This helps remove oxidation and restores shine without damaging the metal.

Removing Stubborn Baked-On Grease

For big, baked-on carbon buildup soap and baking soda cannot manage:

Cover the pan’s bottom with a tiny coating of baking soda.
Pour on or spray on adequate white vinegar to produce a small fizzing reaction.
Let it sit for between 15 and 20 minutes.
Gently scrub with a nylon pad, then rinse and dry as you normally would.

Always read the label first, as many oven cleaners are too abrasive for aluminium surfaces; for really obstinate buildup, a commercial-grade degreaser marked safe for aluminium can be employed.

Cleaning Aluminium Sheet Pan, Open Bead vs. Closed Bead

Commercial aluminium sheet pans generally come in two edge styles, and knowing which one you have affects how you clean them.

Aluminium Sheet Pan, Open Bead

An open bead pan features a rolled edge with a narrow gap or opening around the perimeter. This configuration is typically lighter in weight than other types of bead pans, making it usually less costly as well. However, since the seam is open, it may accumulate water, grease, and food from cooking processes when cleaning.

Below are helpful tips for cleaning an open bead pan:

Soak the pan longer than usual to help loosen up debris trapped behind the bead.
Clean behind the bead using a soft brush or an old toothbrush.
Make sure to thoroughly dry the edge of the pan by tilting it so that any remaining water can be drained out — moist areas behind the bead may be prone to corrosion over time.

Aluminium Sheet Pan, Closed Bead

A closed bead pan has a rolled and sealed edge with no visible opening. This feature makes it more durable and easier to clean than other types of pans because there are no crevices for dirt, oil, or water to get stuck in.

Tips for cleaning closed bead pans:

Use regular cleaning methods like soap and water or baking soda paste.
Make sure it is completely dry after cleaning to avoid any water spots.
Closed bead pans can withstand multiple cycles of cleaning, making them ideal for busy commercial kitchens.

Bottom line: Closed bead pans are easier to keep clean because there’s no seam to trap residue, while open bead pans need a little extra attention around the rolled edge to prevent hidden buildup and corrosion.

Can You Put Aluminium Sheet Pans in the Dishwasher?

It’s best to avoid the dishwasher. Dishwasher detergents are alkaline and can react with aluminium, causing dark stains, pitting, and a rough texture. Hand washing gives you full control and keeps your pans looking and performing better for longer.

How Often Should You Clean Commercial Sheet Pans?

After every use: Wipe down and remove loose debris.

Daily (for pans in constant rotation): Full wash with soap and water.

Weekly or as needed: Deep clean with baking soda paste or vinegar soak for baked-on grease and discolouration.

Regular cleaning prevents grease from building up in layers, which is what makes deep cleaning so much harder later.

What to Avoid When Cleaning Aluminium Sheet Pans

Steel wool or metal scour pads – they scratch the surface and allow particles of metal to embed in the surface, creating crevices that hold on to dirt.

Most Oven cleaners – these products often contain lye, which is far too abrasive for aluminium and may scratch the surface, leaving it permanently stained or pitted.

Chlorine cleaners or bleach – these cause an adverse reaction with aluminium, causing it to turn black.

Hot and cold water – do not cool a hot pan that has come out of the oven directly in cold water. This will cause the pan to warp.

Leaving pans wet or stacked while damp – Wet pans left in a stack or when wet cause oxidation to speed up and stain your aluminium pans.

How to Prevent Buildup in the First Place

Line pans with parchment paper or a silicone mat when baking greasy or sticky foods.

Season new pans lightly with oil before first use to create a smoother, easier-to-clean surface.

Clean pans as soon as possible after use, before grease has a chance to bake on.

Store pans fully dry and stacked with a paper towel or liner between them to prevent scratching.

Final Thoughts

Maintaining commercial aluminum sheet pans does not have to be overly difficult. It simply takes a maintenance procedure such as scraping, soaking, scrubbing with baking soda, rinsing, and drying to maintain open-bead and closed-bead pans in excellent condition for many years to come. Consistency in cleaning is important, along with the avoidance of caustic substances and abrasive implements, and special care should be taken around the rolled edges of open-bead pans, where grease and moisture tend to accumulate.

Frequently Asked Questions

Is it okay to use vinegar to clean aluminum sheet pans?

Yes, white vinegar is fine to use on aluminum and works well for getting rid of oxidation and light stains. You can mix it with water or use it with some baking soda if you are dealing with tough, burnt-on food.

Why did my aluminum pan turn black or grey?

This usually happens because of oxidation, which is caused by heat, moisture, or strong dish soaps. You can often get the original color back by scrubbing the pan with some vinegar or a paste made from cream of tartar.

Is it safe to use steel wool on aluminum pans?

No, steel wool is way too rough and will scratch the surface. Those scratches make the pan more likely to stick and stain later on. It is better to just use a soft sponge or a nylon scrub pad.

What is the difference between open bead and closed bead aluminum pans?

An open bead pan has a rolled edge with a tiny gap that can trap food and water. A closed bead pan is fully sealed around the edges, which makes it easier to keep clean since there is nowhere for gunk to hide.

How do you get burnt grease off a commercial sheet pan?

Let the pan soak in warm, soapy water for a bit, then put a paste of baking soda and vinegar on the burnt spots. Let it sit for about 15 to 20 minutes before scrubbing it with a soft pad and rinsing it off.