Last summer, a Coral Gables homeowner discovered what happens when standard renovation advice meets South Florida reality. Eighteen months after completing a $75,000 bathroom renovation, mold had consumed the custom millwork, the “waterproof” flooring was buckling, and the designer vanity was literally falling apart. The culprit wasn’t poor craftsmanship but a failure to account for Miami’s unique environmental demands. South Florida’s combination of extreme humidity, salt ai