How to Seal Grout on Ceramic Tile Floors


There are several benefits to sealing the grout lines between your ceramic floor tiles. According to an article published by the website Reliable Remodeler, sealing grout protects it from the stains and dirt that will make your ceramic tile floor look dirty and dingy. The small amount of time that it takes to seal grout will lengthen the life of your ceramic tile floor, and may help you avoid the cost and trouble of regrouting every few years.

Things You'll Need

  • Rubber gloves
  • Knee pads
  • Disposable dish
  • Paintbrush
  • Damp cloth
  • Allow the grout to dry according to the manufacturer's directions -- typically at least 48 hours.

  • Put on your rubber gloves and protective knee pads. Pour a small amount of sealant into your disposable dish.

  • Dip a small paintbrush, one about the same width as your grout lines, into the sealant and paint an even layer on each grout line. Begin in the back of the room and work your way toward the door to avoid stepping on wet sealant.

  • Wipe up spills or mistakes with a damp cloth as you work. Repeat the process a second time if your product requires two applications. Allow the sealant to dry completely before mopping your ceramic tile floor.

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  • Photo Credit Tiled floor image by Simon Amberly from paint brush to paint big parts image by Ramona smiers from
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