John Altmeyer named Executive Chairman of GAF Commercial Roofing


PARSIPPANY, NJ, Jan. 26, 2021 / PRNewswire / – GAF, a Standard Industries company and North America’s largest roof manufacturer, today announced the appointment of John Altmeyer as Executive Chairman of GAF Commercial Roofing effective February 1. Altmeyer previously served as President of Carlisle Construction Materials for 21 years, which he developed into the largest and most profitable operating unit in Carlisle.

In this new role, Altmeyer will develop and lead a multi-year strategy that aims to make GAF number one in the commercial roofing market. Altmeyer reports directly to David Winter and David Millstone, Co-CEOs of Standard Industries.

“We have great ambitions for GAF’s trading business that we have long believed had what it takes to be a leader,” said David Millstone, Co-CEO of Standard Industries. “In John we have found someone who not only shares these ambitions, but is also uniquely equipped to make them a reality as we accelerate our investments in every category of advertising.”

“With his extensive industry experience and proven track record of delivering results and transforming businesses, John is in a unique position to dramatically grow our commercial roofing business,” said David Winter, Co-CEO of Standard Industries. “Under his leadership, we look forward to becoming the pre-eminent player in the commercial roof space.”

“I am very excited about the opportunity to join the GAF team,” said Altmeyer. “My mandate is to lead GAF ​​to a leadership position in the commercial market. The building blocks for success are here – a strong team, excellent technology and skills, and a commitment to win. I look forward to working with Jim Schnepper and the GAF team to exploit their full potential in the commercial roofing market. “

“I have admired John for a long time and I am glad to have the opportunity to work with him,” said Jim Schnepper, President of GAF. “His experience and leadership qualities, coupled with the extraordinary talent at GAF, will lead us to enormous success if we want to grow in this market.”

About GAFGAF is North America’s largest roofing and waterproofing manufacturer and part of Standard Industries. GAF’s products include a comprehensive portfolio of roofing and sealing solutions for residential and commercial properties as well as for civil engineering applications. GAF offers comprehensive support for architects, planners, building contractors and property owners who are looking for high-quality service and technical advice. With its innovative and customer-oriented solutions, the company has been protecting households, companies, families and communities for over 130 years. Learn more at

About Standard Industries Standard Industries is a privately held global industrial company with interests ranging from the world’s largest roofing and waterproofing businesses to power units, insulation and industry-changing solar solutions to related real estate, investment and venture capital platforms. With 15,000 employees, Standard Industries operates in over 80 countries with over 180 production facilities and generates annual sales of over 6 billion US dollars. Standard’s industry leading businesses include GAF, GAF Energy, the BMI Group, Schiedel, Siplast, and SGI. Standard owns and manages companies focused on creating long-term value and building world-class assets, as well as its related investment platforms Winter Properties, 40 North Management and 40 North Ventures. For more information on Standard Industries, please visit:

GAF contacts: Adrienne Teofrio, +1 (973)

Clayton McGratty, +1 (212 )

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