C W GriffinC.W. Griffin is a member of ASTM International and the American Arbitration Association. He is a consulting engineer specializing in roofing and energy conservation and a former Senior Editor for McGraw-Hill's Engineering News-Record. Hs books include Energy Conservation in Buildings and The Systems Approach to School Construction. He lives in Phoenix, Arizona.

Until his retirement in 1996, R.W. Fricklas was Technical Director of the Roofing Industry Educational Institute. He is a columnist for RSI magazine and writes a Web column on roofing for Buildings.com. He has been the recipient of the Voss Award from the American Society for Testing and Materials, the McCawley Award from the Midwest Roofing Contractors Association, and the Piper Award from the National Roofing Contractors Association. Mr. Fricklas has also been presented with Lifetime Achievement awards by the Colorado Roofing Contractors Association and the Institute of Roofing and Waterproofing Consultants, and is an honorary member of the Roofing Consultants Institute. He lives in Centennial, Colorado. Read More Read Less