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John D'Annunzio Photo

John D'Annunzio

President,
Paragon Roofing Technology

John has more than 20 years experience as a respected consultant on projects around the world. As a waterproofing and building exterior expert, he has written four books and is a technical details columnist several roofing industry publications. John is a Construction Consultant, specializing in roofing and waterproofing materials application and field performance. He has conducted field evaluations, forensics investigations, and identified failure modes in all types of roof and waterproofing systems. He is proficient in exterior building forensics and has conducted on-site analysis and laboratory testing on all types of weatherproofing materials including membranes, insulations and sealants. A specialist since 1987, John has completed nearly 500 roof and building exterior investigations for Fortune 500 Companies, architects, schools, universities and municipal buildings throughout the United States, Canada, Mexico, South America, and Europe. In addition, he has provided consulting for the Peoples Republic of China and material manufacturers in Europe and Japan. John has also published scores of articles in construction trade magazines and done extensive research in material technology, the results of which have been reported at numerous international symposiums and conferences. He has been a featured speaker at the International Roofing and Waterproofing Conference, the National Roofing Contractors Association Convention and the Construction Specifications Institute. He is an AIA/CES accredited speaker and provides seminars on Roofing, Waterproofing and Building Exterior Issues for Architectural firms throughout the United States.



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