Learn how to clean rust off your concrete slab, driveway, or walkway.
Luckily, it’s possible to remove rust from concrete.
Take the following steps to remove rust stains from your concrete.
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Use a hose orpressure washerto rinse the concrete after washing, then let the concrete dry before proceeding.
Apply Rust-Stain Removal Solution
Apply the rust-stain removal solution when the concrete is clean and dry.
Choose an appropriaterust removerbased on the severity of the stain.
The Spruce / Sarah Lee
Warning
Tri-sodium phosphate (TSP) is toxic.
Take care not to swallow, inhale, or spill large amounts on your skin.
Take caution when using hydrochloric/muriatic acid.
The Spruce / Sarah Lee
Inhalation can cause irritation to the respiratory tract, leading to pulmonary edema.
This jot down of brush will help to scrub the rust stain away without damaging the concrete.
Additionally, you’re free to have the gutter system inspected for leaks.
The Spruce / Sarah Lee
see to it to only use non-corroding bar supports when you are laying your concrete.
Yes, a pressure washer can help remove rust off concrete.
However, stubborn stains may require an acid-based cleaner or detergent.
The Spruce / Sarah Lee
Bleach will not work on concrete rust.
It can actually make rust stains worse due to the oxidative properties of bleach.
It’s better to remove the stain first before painting over.
The Spruce / Sarah Lee
Paint won’t adhere to the rust and that can bleed through the paint.
Hydrochloric Acid (Hydrogen Chloride).Environmental Protection Agency.
