Clopay Corporation, a wholly owned subsidiary of Griffon Corporation, is North America's largest manufacturer of residential ... garage doors and a key player in the commercial overhead garage doors segment. Clopay Corporation has played a leading role in establishing and advancing garage door industry technical standards and national building codes with innovations such as our patented E-Z SET Spring System® and our Safe-T-Bottom Bracket®. Every day the people of Clopay Corporation – from the assembly line to our nationwide network of distributors – work to meet and exceed the diverse needs of homeowners, architects, builders and businesses. This commitment, combined with an extensive sales and service network and a warranty from Clopay Corporation, assures total customer satisfaction on every garage door purchase. read more