Christopher Kroeter, CSI, CDT, LEED Green Associate, is a Product Representative for ATAS International Inc., and is also the House Committee Chairperson of the CSI Metro N.Y. Chapter. He has many years of experience advising architects, specifiers, engineers, contractors and building owners on the sustainable building envelope technology products manufactured by ATAS. Throughout the year, Chris presents many AIA/CES educational courses within northern New Jersey, Metro New York and Long Island. One of the presentation topics, “Two Stage Method of Weatherproofing Utilizing Single Skin Metal Wall Panels,” addresses the subject of this article. To schedule a presentation in your office, contact Chris at ckroeter@atas.com.