Is probing the most reliable method of testing?
Short of removing the entire system, probing is the best method of testing EIFS stucco systems. As for other testing equipment, even the very smartest Engineers at Tramex and the infrared camera companies have not yet been able to find a way that their equipment can accurately measure the moisture content of the walls independent of invasive probing. What do the other inspectors know that the manufacturer’s own Engineers do not? Use of these tools is an important part of a comprehensive moisture intrusion inspection, but it cannot alone give the complete and necessary information you need to properly understand the scope of any moisture problems the house may have. A house is a big investment, and EIFS issues can be expensive to repair. Do yourself a favor and hire someone who performs a complete and proper inspection.
