Kenneth A. Klein, P.E. (ID, OR, TX, WA), is a senior principal at national engineering firm Simpson Gumpertz & Heger Inc. (SGH). He is experienced in the design and investigation of waterproofing of commercial, institutional, and residential buildings. He can be contacted at kaklein@sgh.com.
Sustainable roofing systems can be many things, but primarily they are assemblies that provide a covering protecting a building from the elements (i.e., water, sun, cold, and heat) while minimizing their burden on the environment and conserving energy.
