The Problem
Persistent wet carpet near food court. Two restorations failed. Mall maintenance director needed permanent solution.
Detection Method
Thermal identified hot spot. GPR mapped in-slab plumbing showing a corroded copper line at 45mm depth. Acoustic confirmed the pressurized leak.
Results
300mm x 300mm patch. Corroded fitting replaced. Dry for 18+ months. Director now schedules annual slab scans.