Retrotec USACE - Manual (Page 330)

F36 ENERGY & PROCESS ASSESSMENT PROTOCOL
Figure F27. Roof detail on a historical
renovation of a federal building
Figure F28. Infrared thermogram reveals
air leakage at the ballast roof to copper
work interface while building was under
pressurization
Figure F30. Infrared thermogram reveals air
leakage at the electrical penetration while
building was under pressurization. Figure F29. Electrical and gas utility
penetrations in the enclosure