Alternative systems lead to alternative construction details.
Standard and alternative construction details will be presented and discussed. Randy Nicklas , a mechanical engineer, is the president of Controlled Environments. Controlled Environments is the northwest representative for Benmar Ventilation and Icynene Insulation. He was the lead trainer for the Alaska Craftsman Home Program for eight years, is currently a national trainer for the American Lung Association's Health House builder workshops and is a board member of the Energy Efficient Builders Association of America, where he is chairman of the training and education committee.