Test Your Mettle at Construction Research Lab

Mark Meshulam is a construction consultant, glass consultant and expert witness located in Chicago, IL, USA This article, originally written in 2006 is being reprinted here in very fond memory of my friend A.A. Sakhnovsky, lovingly known as “Sak”, who passed away on Fathers Day, June 19, 2011. He was about 85 years old.   The Construction Research Laboratory is an amazing, one-of-a-kind place located in a…

The Dynamic Water Test

Mark Meshulam is an expert witness and consultant for windows, glass and building facades, including laboratory and field testing. Laboratory and field testing are an important – some would say integral – part of the window business, both in the realms of product certification for individual window units and also for the prove-out of full assemblies. For product certification such as AAMA and NFRC, specific-sized…

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