Replace a Broken Bathroom Tile
Created by Cheli
Step-by-step guide to remove a damaged floor tile and install a replacement, ensuring a watertight and seamless repair.
Please sign in before starting payment and download.
Checklist Items (24)
Gather tools and materials
Collect all necessary items before starting to avoid interruptions.
Identify tile specifications
Measure the broken tile's length, width, and thickness; note the color and pattern; take a reference photo.
Purchase matching tile
Buy a tile that matches the existing floor; get at least one extra for future repairs.
Select adhesive and grout
Choose a thin-set mortar rated for wet areas and a waterproof, mold-resistant grout.
Assemble tools
Gather safety glasses, gloves, hammer, chisel, oscillating tool or rotary cutter, notched trowel, grout float, sponge, bucket, tape measure, level, utility knife, and drop cloths.
Prepare the work area
Remove rugs, cover toilet and vanity with plastic sheeting, ensure adequate ventilation, and keep a bucket of water nearby for cleaning.
Remove the broken tile
Carefully extract the damaged tile without harming surrounding tiles.
Score grout lines
Use a grout saw or utility knife to cut through the grout surrounding the tile on all sides.
Break the tile
Place a chisel in the tile center and tap with a hammer to crack the tile into manageable pieces.
Remove fragments
Pry up the pieces with the chisel, working from the edges inward to avoid damaging adjacent tiles.
Clean substrate
Scrape off any remaining thin-set or adhesive with a putty knife, then vacuum or sweep away debris.
Inspect substrate
Check the backer board or concrete for cracks, water damage, or loose sections; repair with patching compound if needed.
Prepare the substrate
Ensure the surface is smooth, clean, and ready for new tile adhesion.
Level surface
Apply a thin layer of thin-set to fill low spots, then smooth with a straight edge or screed board.
Apply primer (if needed)
On porous concrete or cement board, coat with a suitable primer per manufacturer instructions to improve bond.
Mark layout
Snap a chalk line or use a laser level to align the new tile with the existing grout lines and pattern.
Set the replacement tile
Apply mortar and place the new tile correctly aligned and level.
Mix thin-set mortar
Follow the manufacturer's water-to-powder ratio, let the mixture slake for 5 minutes, then stir again before use.
Apply mortar to substrate
Spread an even layer of thin-set using the notched side of the trowel at a 45-degree angle, covering an area slightly larger than the tile.
Back-butter the tile
Apply a thin coat of thin-set to the back of the tile with the flat side of the trowel to ensure full coverage.
Place the tile
Press the tile firmly into the mortar, give a slight twisting motion, and align with spacers to maintain consistent grout lines.
Check level and adjust
Use a level to verify the tile is flush with surrounding tiles; tap gently with a rubber mallet if adjustments are needed, then let the mortar cure per product instructions.
Apply grout
Fill the joints with grout and clean excess for a professional finish.
Mix grout
Combine grout powder with water (or latex additive) per package directions, stirring until a smooth, peanut‑butter consistency is reached; let sit as indicated.
Force grout into joints
Hold the grout float at a 45‑degree angle and push grout diagonally into the joints, working from one side to the other to fill completely.
Remove excess and clean
After 10‑15 minutes, hold the float at 90° and scrape off excess grout diagonally; then wipe the tile surface with a damp sponge using a circular motion, rinsing the sponge frequently.
Finish and inspect
Allow proper curing, seal if needed, and verify the repair quality.
Cure grout
Allow grout to cure for the time recommended by the manufacturer (usually 24‑48 hours) before exposing to water.
Apply sealant (optional)
If using a cement-based grout, apply a penetrating grout sealer per instructions to protect against stains and moisture.
Final inspection
Check that the tile is level, grout lines are uniform, and there are no loose edges; clean any haze and replace bathroom accessories.