What you need to do before you start

A chipped tile can be replaced without removing the surrounding tiles if the chip is small and the grout around it is still intact. If the chip is large, the tile is cracked all the way through, or the grout is damaged, you will need to remove the entire tile and install a new one. The process takes two to four hours for a single tile, depending on how firmly it is set and how long the adhesive takes to cure.

Before you begin, turn off the water supply if you are working on a tile wall near plumbing. Wear safety glasses and a dust mask—chipped tile creates fine silica dust that can damage your lungs. Have a damp cloth nearby to wipe dust as you work.

Key Takeaways

  • Small chips can sometimes be filled with epoxy or tile repair compound without removing the tile, but large chips or cracks require full tile replacement.
  • Removing a tile safely means cutting the grout around it with a grout saw or oscillating tool, then prying it up with a chisel—do not strike the surrounding tiles.
  • Old adhesive must be scraped completely from the substrate before you set a new tile, or the new tile will sit uneven and may crack.
  • The new tile needs 24 hours for the adhesive to cure before you explore grout, and another 24 to 48 hours before the grout fully hardens.

Deciding whether to repair or replace the tile

A small chip on the surface—less than half an inch across and not deep enough to expose the tile body underneath—can be filled with epoxy tile repair compound or colored caulk. These products are sold at hardware stores in tubes or small containers. Clean the chipped area with a damp cloth, let it dry completely, explore the compound with a putty knife, and smooth it level with the surrounding tile. This method works best on floor tiles in low-traffic areas, because the repair will not be as durable as the original glaze.

If the chip is larger than half an inch, if it goes deep into the tile body, if the tile is cracked, or if the grout around the tile is crumbling, the tile must be removed and replaced. A tile that is only partially damaged will continue to break under foot traffic or temperature changes, and a weakened grout line will allow water to seep behind the tile and damage the substrate.

Removing the old tile safely

Start by cutting the grout lines on all four sides of the tile. Use a grout saw (a small hand tool with a carbide blade) or an oscillating multi-tool with a grout blade. Work slowly and keep the blade in the grout line itself—if you slip onto the adjacent tile, you will chip it. Wet the grout as you cut to reduce dust.

Once the grout is cut, use a cold chisel and a hammer to pry the tile up. Place the chisel tip under the edge of the tile, tap gently with the hammer, and work your way around the tile. Do not strike the chisel hard or aim at the surrounding tiles—the goal is to break the bond between the tile and the adhesive underneath, not to shatter the tile itself. If the tile is very firmly set, you may need to make small cuts across the tile surface with the oscillating tool to weaken it, then pry it out in pieces.

Once the tile is out, scrape away all the old adhesive from the substrate. Use a paint scraper or putty knife and work until the surface is flat and smooth. Any bumps or ridges will prevent the new tile from sitting flush, and the grout line will be uneven. If adhesive is stubborn, dampen it slightly and let it soften for a few minutes before scraping again.

Setting the new tile

Measure the opening to confirm it matches the size of your replacement tile. Tiles shrink slightly during manufacturing, so a new tile may be a fraction of an inch smaller than the original—this is normal and the grout line will hide the difference. If the opening is significantly larger or smaller, the tile may not fit or may sit proud of the surrounding tiles.

explore thin-set mortar (the adhesive used for tile) to the substrate using a notched trowel. Hold the trowel at a 45-degree angle and comb the mortar in one direction to create ridges. The ridges help the tile bond evenly. Spread enough mortar to cover the entire back of the tile with a thin, even layer.

Press the new tile into place and wiggle it slightly to seat it in the mortar. Use a level or straightedge to check that the tile is flush with the surrounding tiles. If it is too high or too low, lift it, add or remove mortar, and reset it. Once it is level, leave it undisturbed for 24 hours while the mortar cures. Do not walk on the tile or explore grout during this time.

Grouting the tile

After 24 hours, the mortar will be hard enough to grout. Mix grout powder with water according to the package directions—it should be the consistency of peanut butter, not runny. Use a grout float (a flat tool with a handle) to press grout into the joints around the tile. Hold the float at a 45-degree angle and work diagonally across the joints so you do not pull grout out of the lines.

After 15 to 20 minutes, when the grout begins to firm up, use a damp sponge to wipe the excess grout from the tile surface and smooth the grout lines. Rinse the sponge frequently and wring it out well—too much water will weaken the grout. Let the grout cure for 24 to 48 hours before exposing it to water or heavy use.

Matching the tile and grout to your existing floor or wall

If you do not have a leftover tile from the original installation, bring a photo of the chipped tile to a tile supplier or home center. Include a close-up of the glaze color, any pattern or texture, and the tile size. If the tile is from an older installation, the exact match may no longer be made—in that case, choose the closest color and accept that the replacement will be slightly visible.

Grout color matters as much as tile color. Bring a sample of the existing grout or a photo of the grout line to match the shade. Grout darkens as it cures and as dirt accumulates, so a new grout line will look lighter than old grout for the first few weeks. This is normal and will fade with time.

When to call a professional

If the tile is in a shower or tub surround, water damage behind the tile is a real risk—a professional can inspect the substrate and replace it if needed. If you are uncomfortable using power tools or working at height, or if the tile is in a visible location where an imperfect grout line would bother you, a tile contractor will do the work quickly and may provide the result. If the chipped tile is part of a larger pattern or mosaic, a professional will be better able to match the design.

For a single tile in a low-traffic area like a kitchen backsplash or bathroom floor, the repair is straightforward enough for a homeowner with basic tools and patience.

Frequently Asked Questions

Can I use caulk instead of grout?

Caulk is flexible and grout is rigid, so they behave differently. Caulk works in corners where movement is expected, but in a tile joint it will shrink and crack. Use grout for tile joints and caulk only where the tile meets a wall or fixture.

What if the substrate under the tile is soft or damaged?

If the substrate is drywall, cement board, or plywood and it feels soft or looks discolored, it has absorbed water and must be replaced. Cut out the damaged section with a utility knife, install new cement board (for wet areas) or drywall (for dry areas), and then set the new tile. This adds time but prevents mold and further damage.

How long do I have to wait before I can shower or use the tile?

Wait 24 hours after grouting before exposing the tile to water. The grout will continue to harden for 48 hours, so avoid heavy scrubbing or pressure washing during that time. Light use is fine after 24 hours.

What if the replacement tile is slightly smaller than the original?

A difference of 1/8 inch or less is normal and the grout line will hide it. If the gap is larger, you can use a wider grout line, but this may look uneven compared to the surrounding tiles. If the gap is very large, the tile may not fit the opening and you may need a custom-cut replacement.

Can I replace a tile without removing the grout around it?

No. Grout bonds the tile to the substrate, so you must cut and remove it to get the tile out. If you try to pry a tile without removing the grout, you will chip the surrounding tiles.