How To Fix Rusted Grill Bottom?

How To Fix Rusted Grill Bottom?
  • Author: Amanda Arnold
  • Posted On: December 31, 2021
  • Updated On: August 21, 2023

Do you want to know how to maintain the grill’s bottom from rusting? A grill is an investment, and you want it to endure as long as possible before you replace it.

How materials were used, manufactured, and how well you clean and maintain your grill will determine how long it will survive. Rust is the most common problem with grills. Fortunately, there are a few things you can do to keep your grill from rusting.

Grease, food residue and ash that build on the bottom of the grill can quickly corrode the metal surface. Cleaning a rusted grill bottom is straightforward and may be done with non-toxic home products like baking soda and vinegar. However, the greatest option is prevention.

Even though stainless steel is corrosion-resistant, it can still rust. How do you maintain a grill’s bottom from rusting? Regular inspections are required to keep the bottom of your grill from rusting.

Reasons Behind A Rusted Grill Bottom

The bottom of your grill rusts for various causes, including water, salinity, food residue, and chemicals. Even if you take precautions, rust can still build on your grill. However, it is critical to comprehend the reasons for rusting to prevent it from occurring.

Ensure to clean your grills after each usage to keep them from rusting. To avoid moisture, the grill should be completely dry. It’s also good to oil the grill to keep saltwater from ruining it.

If you have a garage, keep the grill inside to keep it safe from the elements. A grill cover is also an option. The following are some preventative actions you can take.

A Few Considerations Before Fixing Or Replacing Rusted Grill Bottom

If the firebox or heat source has too much rust or cracks, it’s time to say goodbye to your grill and acquire a new one. Grill burners can have a ten-year warranty.

So, they’ll endure a long time. If there is any evidence of uneven or yellow flames or odd flaring, you should repair it while the warranty is still valid. If the burners and igniters are rusty and have too much grease, they should be replaced.

Consider changing your grill grates if they are peeling and damage in certain places. Heat barriers should be updated regularly. Check for cracks in the gas hose and regulator. Spray the hose with a dishwashing liquid and water mixture to observe whether the area bubbles.

If it bubbles, it’s a sign of a gas leak, and you should replace the gas pipe immediately.

How To Clean The Rusted Grill Bottom?

Because you’ll be cooking on them, learning how to clean rusted grill grates with a non-toxic chemical is essential. Both vinegar and salt are edible, but they can also eliminate rust. Put your rusted grates in a large, heavy-duty trash bag. Fill the bag with vinegar and salt and close it.

Allow the grill to soak overnight by laying the bag flat on the ground. After soaking, use an old rag to wipe away the rust. To scrape off the rust, use the salt as a mild abrasive.

1) Use Mild Soap And Water

Scrub the grill with a moderate detergent and warm water. Steel or wire wool should not be used on stainless steel. Use a soft cloth or sponge to clean.

2) Use Baking Soda For Scrubbing

Remove as much rust as possible from your grill grates by brushing them with a soft brush. Place the grate on your grill and liberally sprinkle it with baking soda.

Turn on your grill and watch as the baking soda begins to boil away the rust. Turn the grill off and set it aside to cool. Brush the racks with a gentle brush once more. Using a sponge, apply the paste to the grill and let it sit for half-hour. Clean it with a soft cloth or sponge and warm water. Rinse well with warm water.

3) Use Commercial Rust Remover For Stubborn Stains

Commercial rust removers are widely available. These work well in general, but they may include hazardous chemicals that you don’t want near your food. In the barbeque area of a local home repair warehouse store, get a commercial rust remover formulated exclusively for cleaning rusted grill grates.

How To Maintain The Grill To Avoid From Rusting?

After cooking, rub oil into the grates to keep their good shape. You can do this to keep cast-iron grates in good condition. It’s also a good idea to rub oil into the steel grates. After cleaning the grill, apply a thin layer of oil to the gas and charcoal grates to prevent food from sticking. Moisture and rust will be repelled as a result of this.

Clean And Dry The Grill After Each Cooking Session

Clean the grates with a brush after cooking to remove any food residue and ash accumulated on the grill. It’s also a good idea to clean the grill properly now and then. Use warm water, a sponge, and light soap to clean.

After cleaning the grill, make sure to fully dry it because the water that collects within can cause rusting. Look for water or moisture in every corner of the grill. Wipe it dry with a gentle cloth or paper towels.


The bottom of a grill might rust if it isn’t properly maintained. We’ve also provided advice on how to avoid rust. While rust on the grill is unattractive and undesirable, it is simple to remove. However, prevention is the best option if you don’t want to deal with rust.

It’s important to remember that a grill will rust at some point. However, by cleaning and maintaining your vehicle properly, you can detect any signs of rust and prevent further damage.

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Author: Amanda Arnold

Amanda has been working with ConstructionHow since 2021. Her experience spans over 5 years in the creative niche such as home decor and trends, landscaping, renovations, and custom architectural values. As a home designer expert, she has a keen eye for the latest home improvement trends with accurate facts that readers find impossible to ignore. Being invested in home-building trends is how she has gained her lucrative expertise exploring more to bring a positive ambiance for all homeowners (and even tenants!). Currently, she lives in a beautiful beach home, a source of fascination for her.