Replacing a broken tile means removing the damaged piece without harming adjacent tiles, preparing a solid substrate, and setting a replacement of matching thickness with compatible adhesive and grout. Before drilling or striking, consider what is behind the surface: bathroom and kitchen walls may contain pipes or wiring, and recurring cracks can reveal substrate movement.
Remove grout around the damaged tile first
Removing surrounding grout separates the broken tile from its neighbors and reduces chipping risk. Use a controlled hand tool and eye protection; do not cut deeper than necessary into a wall where utilities are unknown.
Start removal from the broken center
Protect the area and remove small fragments inward rather than levering against sound tile edges. Handle shards with gloves. If the tile sits over a waterproof membrane, take special care not to puncture it.
Leave the substrate flat, dry, and sound
Scrape old adhesive down to a compatible base without tearing out the substrate. A soft, wet, or mold-damaged wall needs repair before being covered. Dry-fit the new tile to check height and joint spacing.
Set, cure, and grout according to the system
Use an adhesive suited to the substrate and wet location when applicable, maintain even spacing, and allow the specified cure before grouting. Do not return a shower to service until adhesive, grout, and sealants have reached their required cure.