How To Remove Acid Stain From Concrete

It s always best to treat problem areas prior to sealing and waxing. The stains revert the concrete back to a white gray color and are etched and rough standing out against the smooth darker finished concrete. Similar to removing rogue scratches removing an acid stain from polished concrete requires a careful approach.

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How to remove concrete acid stain.

How to remove acid stain from concrete.

Pour chlorine bleach into a spray bottle. Put on your protective gloves goggles and clothing. Repairing acid stains on concrete grinding and smoothing the damaged area. Step 2 use oxalic acid.

Step 1 put on protective gear. How to remove battery acid stains from concrete step 1. Scrub the stripper into the floor with a. Remember to always wear protective gear before using any of the cleaning products above.

Battery acid stains may be removed from concrete by cleaning the area covering the stain with a cleaning agent like acid or bleach letting it sit and then rinsing away the cleaning agent. Rubber gloves and boots. It is safest to try a milder cleaning agent first before moving on to something more caustic. Because the concrete was reverted back to its more natural state we basically begin the polishing process from the beginning.

First do a test to see if applying a fresh coat of wax will fix it. Step 5 apply concrete sealer. Step 4 try muriatic acid. Strip back the floor wax using our floor wax remover.

Pour chemical floor stripper on the concrete. Vacuum the concrete to remove all particles and debris. The goal is to blend the damaged area so the. Prepare the area by sweeping it clear of any dirt or debris.

Strip it about a foot or so back and away from the. Fixing scratches on your concrete stain job. To help open the slab and create a surface that will take the stain more uniformly try dry sanding using a rotary sanding scrubber with 150 grit paper or applying a chemical pretreatment such as qc con clean available from qc construction products. How to remove muriatic acid stains from concrete.

Step 3 treat with tsp. Bleach battery acid and muriatic acid are hazardous. Attach a scrub pad to a. Choose a stripper that is recommended for concrete.

If the scratches are shallow and just in the wax then a fresh coat should do.