Sean Hamlin is the director of estimating for IWR North America and has more than a decade of industry experience. IWR North America, headquartered in St. Louis, Mo., is one of the longest standing specialty contractors in the U.S. that focuses on being a true building enclosure partner. IWR is a subsidiary of MHS Legacy Group, a diversified national holding corporation also based in St. Louis with roots dating back to 1895.
Understanding the importance of energy efficiency in glass design and selection as a primary component of the glazing system recognizes that the performance values of the glass are specifically affected by the actual system it is being installed into
