Vertical and horizontal thermographies of the building envelope allow for diagnosing and identifying thermal losses in buildings. Partie 5's thermographers are certified to Level 2. 

Vertical thermographies of walls are conducted in accordance with ASTM E1186 – Standard Practice for Air Leakage Site Detection in Building Envelopes and Air Barrier Systems, and ASTM C1060 – Standard Practice for Thermographic Inspection of Insulation in Envelope Cavities of Frame Buildings. Horizontal thermographies of roofs are performed in accordance with ASTM 1153 – Standard Practice for Location of Wet Insulation in Roofing Systems Using Infrared Imaging.