Problem: How to locate hidden headers behind brick facing. No headers found where portions facing had fallen away from building, but invasive examination verified the presence of headers in other areas
Results: Impact-Echo was used in exploratory tests to determine presence or absence of hidden headers.
Verification: Brick facing removed in test areas to verify impact-echo results.
Outcome: Impact-Echo tests were 100% accurate in locating headers. The method was recommended as part of testing and rehabilitation program for the building facade.
