Clopay Corporation VertiStack Avante Garage Door Named Best of IBS Award Winner

MASON, Ohio, March 20, 2025 /PRNewswire/ — Clopay Corporation, a wholly-owned subsidiary of Griffon Corporation (NYSE: GFF) and North America’s largest manufacturer and marketer of garage doors and rolling steel doors, announced that its VertiStack Avante garage door won the Best of IBS…