Jeffry Ceruti, P.E., is a Senior Principal with Simpson Gumpertz & Heger and has decades of experience investigating, designing, and consulting on sheet metal roofing and cladding systems.  His experience includes investigating and designing steep- and low-sloped roofing systems, plaza and below-grade waterproofing, various exterior wall systems, curtain walls and windows, and other building envelope systems. Jeffry can be reached at jjceruti@sgh.com.