Check your shower tiles regularly to detect any signs of water damage such as discoloration, loosening, or cracking.
2. Make sure that all the grout lines are properly sealed to prevent water from seeping in and causing damage.
3. Waterproof the shower area.
4. Keep the shower dry after each use by using a squeegee to remove excess water droplets.
5. Use waterproof caulking around the edges of the tiles and along the perimeter of the walls to prevent moisture from entering.
6. Install a proper drainage system.
7. Run exhaust fans or open windows during and after showering to reduce humidity levels in your bathroom.
8. Clean your shower tiles periodically with mild soap and warm water.