Step 1: Grind and scrape out the old grout
Photo 1: Grind out the grout
Attach the removal unit and set the bit depth to 1/4 in. Run the tool guides between the tiles and grind through the old grout. Clean joints with a grout saw.Photo: Courtesy of The Family Handyman
Renewing old grout has always involved long hours of hacking away at old, worn grout with a tiny grout saw. Simplify the job by purchasing a grout removal kit that attaches to a Dremel tool. (See photo below). It has a high-speed carbide bit that effortlessly chews away old grout, and guides that keep you from chipping the tile edges. Make sure to wear safety glasses while grinding (Photo 1). Use the grout saw to scrape out edges and corners and to clean out the joints.
Buy a Grout Removal Attachment
A grout removal kit contains the grinding guide and a grout saw for cleaning along edges where the grinder can’t reach. It’s designed to fit a Dremel tool.
Step 2: Regrout the tile
Photo 2: Spread the grout
Using a grout float, push the grout diagonally across and into the vacant joints.Photo: Courtesy of The Family Handyman
Vacuum up any dust or debris left after the grinding process. Take a chunk of your current grout to a home center or tile shop to find a match. Also buy a latex additive to mix into the new grout to make it more durable. Mix the grout slightly thicker than peanut butter and then apply it (Photo 2).
Video: Removing Tile Grout
Simplify ceramic tile grout removal by using a carbide-grit blade in a reciprocating saw or an oscillating tool. Both speed up this tough, tedious chore.
Step 3: Clean and polish the tile
Photo 3: Wipe off excess
Wipe the excess grout and film off the face of the tile with a damp sponge, rinsing it often.Photo: Courtesy of The Family Handyman
Photo 4: Buff with a cloth
When the film reappears, buff the entire area with a dry cloth.Photo: Courtesy of The Family Handyman
Let the grout set up for approximately 20 minutes until a film develops over the tile, then clean the area as shown in Photos 3 and 4. After the grout has dried for a week, protect it with a grout sealer.
Required Tools for this Project
Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.
- Safety glasses
Required Materials for this Project
Avoid last-minute shopping trips by having all your materials ready ahead of time. Here’s a list.
- Grout sealer
- Tub and tile caulk