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USGNN Original StoryMargaret Webb Talks About IG Certification; CMA Progress

Margaret Webb, executive director of the Insulating Glass Manufacturer's Alliance (IGMA) recently talked to Ellen Rogers, contributing editor of magazine during the National Fenestration Rating Council's (NFRC) Summer Meeting this past week in Chicago. Webb shared her thoughts on the NFRC's move to require IG certification, as well as the continued development of the Component Modeling Approach (CMA) program. Click on the video below for the full interview.


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