How to Make Old Tile Grout Like New

Clean the grout between the tiles or color them to make it look as good as new.
Clean the grout between the tiles or color them to make it look as good as new. (Image: Thinkstock/Comstock/Getty Images)

Aging and dirty grout between ceramic tiles can make surfaces look dark, dingy and unappealing. Badly broken grout must be repaired first before any rejuvenation takes place. Surface cleaning of the grout may solve the problem and make your grout look as good as the day it was put in. If that doesn't do the trick, then a grout colorant-sealer can be applied to make it look as good as new.

Things You'll Need

  • Bleach
  • Rubber gloves
  • Toothbrush
  • Cotton swab or small hobby paint brush

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Scrub the grout between your ceramic tiles. Use 1-part bleach to 5-parts of water. Use an old toothbrush by dipping it into the solution and scrubbing the grout lines. Rinse when finished. After cleaning, the grout might look brand new. If it still doesn't look as good as you want it to, see the next step.

Apply a grout colorant-sealer paint as a small, thin bead down the center of the grout line and work it in with a toothbrush, stiff brush or a cotton tip. Wipe away any colorant off the the edges of the tile as you go along. Work small areas at a time.

Allow the colorant to dry for 72 hours before getting the grout wet. Be careful when cleaning colored grout in the future. Do not scrub the grout vigorously or you may remove the colorant.


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