How do you clean grout on tile floors?


Quick Answer

Use chlorine bleach or oxygen bleach to remove stains from grout. Then, apply a sealant after cleaning to help maintain the clean appearance of grout. Cleaning grout on tile floors of an average-size room is typically completed in a few hours.

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Full Answer

  1. Make a bleach solution

    Mix 3/4 cup of chlorine bleach with a gallon of water, or mix powdered oxygen bleach with warm water. Stir the mixture until the oxygen bleach is dissolved.

  2. Protect your eyes and hands

    Before you start scrubbing, be sure to put on safety goggles and cleaning gloves.

  3. Scrub the grout

    Use a small scrub brush to clean the grout with the bleach solution. Allow the bleach solution to remain for several minutes in heavily stained areas, such as those with mold or mildew stains. Oxygen bleach can remain on stained grout for several hours. Do not allow undiluted chlorine bleach to come into direct contact with porcelain tile to prevent damaging the tile.

  4. Rinse the grout

    Rinse the area with water, and allow it to dry.

  5. Apply a sealant

    Grout sealant prevents staining and helps keep the grout looking new after cleaning. Apply the sealant according to the directions on the product packaging, and allow it to dry for the recommended amount of time before walking on the tile floors.

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