Spray foam is an essential tool in the high performance building toolbox, yet many builders have concerns about using the material including subpar installations; how to protect workers, occupants and spaces outside the spray zone; offgassing; the global warming potential of blowing agents, and even foam failures. In this session, Henri Fennell, a leading spray foam expert with more than 40 years of experience, will discuss what contractors need to know and to do to ensure safe, high quality installations. Common problems will be addressed as well as strategies for avoiding them. The session will conclude with an extended Q&A, so attendees are encouraged to come with questions.