WJE Principals to Present at NRCA Expo

January 7, 2013
WJE principals Doug Stieve, Chris Giffin, and Rich Koziol will present at the NRCA's 126th Annual Convention and International Roofing Expo 2013 on February 7, 2013, in San Antonio, Texas. Their presentation will examine technologies designed to evaluate decks for plaza and green roof waterproofing systems.

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