How do you remove rust stains from concrete?


Rust on concrete is not very easy to remove and requires acid in most cases. Before taking on any project that requires any type of acid or potentially toxic cleaner, it is best to take the proper safety precautions.

  1. Start by getting a good pair of gloves and goggles.
  2. Clean the area of any debris.
  3. Make sure there is proper ventilation wherever you are working.
  4. Muriatic acid or oxalic acid can be used.
  5. Carefully follow the directions on the container for the acid you choose to use. Most will need to be watered down.

One other option is to paint over the concrete. This will cover up any stains and should prevent future rusting.
Q&A Related to "How do you remove rust stains from concrete?"
1. Remove the surface dirt and debris from your driveway by sweeping the area with a stiff broom. 2. Pour distilled white vinegar directly on the rust stain. Allow the vinegar to
Best Answer: Bleach will only remove a small portion of the stain and the scrub brush on concrete will definitely cause permanent damage to the concrete. Once concrete is "spot
Overview Grease and rust soak into concrete, making their stains difficult to remove. A cleaner must be used that is strong enough to break up or absorb the grease or rust. Several
you can use "oxalic acid' look for wood bleach in the paint dept. or zud in the cleaning dept.
1 Additional Answer Answer for: removing rust stains from concrete
Removing Rust Stains Off Concrete
Rust stains on concrete driveways can come from a car with rust spots sitting in the rain. Concrete is a porous material, so rust can seep down below the surface. The proper supplies, though, reduce the difficulty of the stain-removal job. This technique... More »
Difficulty: Easy
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