Things You'll Need
Liquid dish detergent
If there is a thick layer of cement stuck on the tile, use a solid oak stick to scrape the cement off. If the vinegar does not remove the cement stain, use phosphoric acid according to the manufacturer's directions.
Wear gloves, eye protection and open doors and windows for proper ventilation.
Household projects and renovations can occasionally lead to mishaps, such as cement stains on tile floors. Grout can easily smear onto the tiles during installation, hardening and leaving stains. The stain becomes more difficult to remove the longer it sits. Fortunately, solutions and techniques are available to remove cement stains from tiles, restoring the flooring back to its original appearance.
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Pour a generous amount of vinegar into a bowl.
Place a clean rag in the bowl to soak up the vinegar. Once the rag is drenched in the vinegar, lay the rag over the entire cement stain.
Keep the rag over the stain for 2 hours to allow the vinegar to soak into the cement. The acid in the vinegar is usually strong enough to loosen the bond between the cement and the tile.
Remove the rag from the stain, and scrub the stain with a scouring pad. Scrub the stain with a lot of force if the cement has already hardened. Repeat the entire process until you remove all of the cement.
Dampen a sponge in water, and rinse the area with the sponge.
Wash the entire tile with liquid dish detergent and water, using the sponge to scrub the tile.
Rinse the tile once again with water, and dry the tile with a clean cloth.