Beautiful tiles deserve a flawless installation. Yet, many tile failures don't happen because of poor-quality tiles—they happen because of avoidable installation mistakes. Loose tiles, hollow sounds, cracked grout, water seepage, and tile debonding often trace back to errors made during installation. Whether you're a homeowner, architect, builder, or tile contractor, understanding these mistakes can save time, money, and future repairs. The Guardian shares the 10 most common