How To Get Rust Off Of Concrete Patio

Rust stains on concrete patios can be an unsightly nuisance, but they can be removed with a little effort. Here are a few methods you can try:

1. Muriatic Acid

Muriatic acid is a strong acid that can dissolve rust. It is important to use caution when using this method, as muriatic acid can cause skin and eye irritation. Be sure to wear gloves and eye protection, and work in a well-ventilated area.

To use muriatic acid to remove rust stains from concrete, follow these steps:

Dilute the muriatic acid with water according to the manufacturer's instructions.
Apply the diluted acid to the rust stain using a brush or sponge.
Allow the acid to sit on the stain for several minutes, but do not let it dry completely.
Rinse the area thoroughly with water.
Repeat steps 2-4 if necessary.

2. Vinegar

Vinegar is a natural acid that can also be used to remove rust stains. It is less corrosive than muriatic acid, so it is a safer option for use on concrete.

To use vinegar to remove rust stains from concrete, follow these steps:

Apply white vinegar to the rust stain using a sponge or cloth.
Allow the vinegar to sit on the stain for several hours or overnight.
Scrub the stain with a brush or sponge.
Rinse the area thoroughly with water.
Repeat steps 2-4 if necessary.

3. Baking Soda

Baking soda is a mild abrasive that can be used to remove rust stains from concrete. It is a safer option than muriatic acid or vinegar, but it may require more scrubbing.

To use baking soda to remove rust stains from concrete, follow these steps:

Make a paste of baking soda and water.
Apply the paste to the rust stain and allow it to sit for several hours or overnight.
Scrub the stain with a brush or sponge.
Rinse the area thoroughly with water.
Repeat steps 2-4 if necessary.

4. Commercial Rust Remover

There are a number of commercial rust removers available that can be used to remove rust stains from concrete. These products typically contain a strong acid, such as hydrochloric acid or muriatic acid. Be sure to read and follow the manufacturer's instructions carefully when using a commercial rust remover.

Tips

When removing rust stains from concrete, it is important to test the method you are using in an inconspicuous area first to make sure it does not damage the concrete.
If the rust stain is large or deep, you may need to use a combination of methods to remove it completely.
Once you have removed the rust stain, you may need to seal the concrete to prevent future stains.