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How to Seal Tile Grout

People often go to the expense and trouble of having new tile installed but don't seal the grout. It's not very difficult and when you seal tile grout it protects it from moisture, mildew and stains for years. Your grout requires less cleaning because the sealing prevents dirt from entering the grout.

Seal Tile Grout
  1. Wait at least 48 hours after the grout is applied to let it dry and set.

  2. Apply penetrating silicone or water based grout sealer to the grout with a small paintbrush.

  3. Wipe off any excess sealer that has gotten on the tile before it dries.

  4. Allow the sealer to dry for at least an hour.

  5. Apply another coat of sealer and allow it to dry for an hour.

  6. Test the grout. Drop a little water on the grout. If the water beads as if the grout had been waxed, the grout is sealed and you're done. If not, apply another coat of sealer.

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