Finish by rinsing with warm, soapy water.

Then scrub the stain away with a stiff-bristled brush.

Allow it to sit for at least 10 minutes.

Then pour the liquid, undiluted, directly onto the rust stain.

Start with a clean surface so the acid can fully penetrate.

Steps for removing rust on concrete with lemon juice or vinegar: Lemon juice and white vinegar are both great options, but even Coca-Cola can remove minor rust stains on concrete because of its high phosphoric acid content. Using home remedies to remove rust stainsįor newer rust stains that haven’t penetrated into the concrete, you can often remove them successfully by using natural acidic cleaners found around the home. No matter what method you use, the sooner you tackle the rust stain, the easier it will be to remove. The product you choose often depends on the age of the stain, how extensive it is, and the porosity of the concrete surface. This can range from simple household products such as lemon juice or vinegar to powerful chemical cleaners that contain oxalic acid or trisodium phosphate. To remove most rust stains, you need to use an acid-based cleaner that will dissolve the rust. Unlike many other stains on concrete, rust can’t be removed by using common detergents and pressure washing alone. What are the best rust removers for concrete? Unless you eliminate the source, the stains are likely to reappear and all your cleaning efforts will be wasted. The aggregate within the concrete may also contain small amounts of iron that could become exposed as the concrete wears.īefore you attempt to remove any rust stains on your concrete, be sure to identify the root cause. If steel rebar or wire mesh embedded in the concrete becomes exposed to air and moisture because of cracking or damage to the concrete, rust will form and make its way to the surface. But it’s also possible for rust stains to originate from within the concrete itself. The most common sources include metal patio furniture, rusty garden tools, metal fence posts, iron railings, and lawn and garden fertilizers that contain certain metals and minerals. In all cases, the culprit is some type of metal (particularly iron) that has been exposed to the elements and comes in contact with your concrete.įind concrete cleaning contractors near me. Rust stains on concrete can come from a variety of sources, some obvious and some that may surprise you.

Here’s a look at the most common sources of rust stains, the best methods to use to remove them, and tips for keeping your concrete rust-free.

The good news is that you can remove most rust stains by using the right type of cleaning agent and a bit of elbow grease. Not only are rust stains an eyesore, they can be difficult to eradicate because they often penetrate into the pores of the concrete. Few stains can ruin the appearance of a beautiful concrete driveway, patio, garage floor or other exterior concrete surface more than rust.

Best rust remover for metal