The main purpose of this work is to apply infrared thermography (IRT) techniques to 2 ETICS solution (single or double layer of glass fiber mesh) and evaluate its capability in the detection of anchors. The reliability of IRT was tested using an ETICS configuration of expanded cork boards and a rendering system with one or two layers of glass fiber mesh. An active thermography approach was performed in laboratory conditions, in transmission and reflection mode. In the reflection mode halogen lamps and air heater were employed as the thermal stimulus. Air heater was also the source used in the transmission mode tests. The resulting data was processed in both time and frequency domains. In this last approach, phase contrast images were generated and studied.
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Nuno Simões, Inês Simões, Catarina Serra, António Tadeu, "Thermographic inspection of external thermal insulation systems with mechanical fixing," Proc. SPIE 9485, Thermosense: Thermal Infrared Applications XXXVII, 94851A (12 May 2015);