Grouting Over Existing Grout in a Tile Floor
By: Danny Lipford
The grout in our tile floor has worn down in some spots and shrunk in others. Can I apply new grout over the existing grout? -Nancy
While it’s possible to apply new grout over existing grout, the results are usually less than satisfactory. Since the layer of new grout would be very thin and vary in thickness, it may not adhere well and the old grout could show through.
Removing grout from a tile floor is not nearly as difficult as it used to be. Inexpensive oscillating and rotary tools are available with grout removal attachments that can make quick and effortless work of removing old grout.
Once you’ve removed the old grout, vacuum up any remaining loose grout and dust before applying new grout to the tile. Use a sponge and clean water to remove any excess grout or grout haze on the tile.
Good luck with your project,
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