Posts Tagged ‘ Hallmark Certification ’

WDMA Extends Term of Hallmark Certification

May 17th, 2013

*+-The Window and Door Manufacturers Association (WDMA) Hallmark Certification Committee approved procedures for extending the term of Hallmark certification from four years up to a total of eight years. The new procedure is available to WDMA Hallmark licensees for actively certified products that have not changed during their initial four-year certification term and where the […]