How to Use Sanded Instead of Unsanded Grout


Using sanded grout instead of unsanded grout will give you a stronger joint between tiles or block. Sanded grout utilizes sand in the mixture to create a stronger bond. Unsanded grout is used for tiles on countertops, backsplashes and wall surrounds because the grout is less than 1/16-inch wide. When you have a grout width larger than 1/16-inch you use a sanded grout. This type of grout line is common on larger floor tiles.

Things You'll Need

  • Padded grout float tool
  • Sponge
  • Mix the sanded grout per the directions on the packaging. The amount of sand and water used will depend on the exact application and it will depend on the humidity and temperature in your work area. Because of the variables, the directions on the packaging as the best reference for success.

  • Place a 2-inch layer of grout onto a padded grout float tool and spread the grout over the gaps between the tiles. Push the grout across the floor in a diagonal direction to help force the grout into the gaps.

  • Place the padded grout float tool at a 90-degree angle to the floor and scrape the excess grout off the tile.

  • Wipe the surface of the tile clean with a sponge. Use a circular motion over the tile to clean it off. Rinse the sponge in fresh water as needed.

  • Run the damp sponge parallel to the gout lines. This will form the gout lines. You want the grout lines to rest slightly below the surface of the tile.

  • Wipe down the surface of the floor a second time to remove any remaining grout. Once the floor dries, you will notice a haze over the tile. Wipe the surface down again with a clean sponge to remove the haze. Be careful with the grout as it may not be completely dry yet.

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