December 2017 Monthly Meeting

Dec 5 2017 - 12:00pm - 1:30pm
Meeting Title: 

Understanding Moisture and Mold Inside Housing


Aceh Community Room
Mercy Corps, 45 SW Ankeny St
Portland, OR 97204


George Tsongas, Ph.D, PE


Learn from engineer and building scientist, George Tsongas, who has studied, investigated and corrected numerous building problems relating to mold and IAQ, as he offers an overview of mold and moisture problems inside single and multifamily housing. George will help you understand what mold is, where and why it grows, the different types of mold, what are the true health impacts, litigation concerns, how to inspect for mold growth conditions, what are the best mold cleanup procedures, and what can be done practically and economically to remedy or prevent indoor mold and moisture problems. The pros and cons of moisture and mold control measures such as source control, ventilation, and dehumidification will be discussed. Specific approaches for improving bathroom and kitchen ventilation will be presented.

Dr. Tsongas is a consulting engineer and a Professor Emeritus of Mechanical Engineering at Portland State University in Oregon. He is a building scientist with specialization in moisture, mold and water intrusion problems in housing. He has directed a number of field studies of moisture and indoor air quality problems inside existing and new residences as well as investigations of ventilation and dehumidification moisture control strategies. He was invited to be one of five presenters for an ASHRAE- sponsored Satellite Broadcast/Webcast titled “Mold in our Building Environment.” Over 22,000 people from North and South America viewed the three hour satellite broadcast and webcast. He has inspected many thousands of dwelling units in seventeen states and Canada for moisture and mold problems over the last 35+ years. He has specific experience dealing with indoor moisture, mold, and related health problems in housing. He has four engineering degrees from Stanford University.