Travertine stone tiles are more complicated to seal and grout than are most types of tiles, because of the trademark holes that are all over the travertine surface. Those holes are generally filled with grout of a different shade than the tile, so the patterns of the holes are highlighted, but they aren't left open to collect dirt and moisture. You have to seal the stone before grouting (so the grout doesn't stain the stone), and then afterward, to seal in the grout.
Things You'll Need
- Travertine stone (installed and properly spaced)
- Penetrating tile sealant
- Unsanded grout (different shade than the travertine)
- Grout squeegee
Brush over your newly installed travertine with a dry paintbrush to take off all dust and debris, from the tile surface as well as from the gaps between the tiles.
Use the paintbrush to apply penetrating tile sealant to the surface with a paintbrush. Apply it in a thin, smooth coat. Don't brush into the holes that are on the face of the tiles or in the gaps between them. Let the sealant dry for four to six hours.
Spread unsanded grout over the tile using your grout squeegee to scrape it over the surface and force it into the spaces and holes. Make sure the grout is flat over the holes and spaces.
Let the grout sit in the holes and spaces for about 10 minutes. Wipe down the surface of the tile with a damp sponge, running it flat over the surface to avoid pulling the grout out of the holes and spaces.
Allow the grout to set for five to seven days. Apply two more layers of tile sealant, brushing it over both the tile and grout.
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