Headshot of Justin Dunlap, President, Specialty Products & Services

Justin Dunlap

President, Specialty Products & Services

Justin Dunlap is the President of Specialty Products & Services, which includes SGI, Standard Logistics, and Glass Mat operations. Previously, he served as the President of SGI and successfully led the company for many years.

Over his 26-year tenure at SGI, Dunlap led the transformation of the organization’s business model from focusing solely on roofing solutions to becoming a multifaceted company that manufactures roofing, building materials, and agricultural products. With time spent working at three of SGI’s mining locations and over a decade of previous responsibility for all operations, he gained rich experience and a deep understanding of every department at SGI.

Prior to joining SGI, Dunlap worked in health care, performing systems integration work for Summit Health. He also worked in industrial automation for Frick Controls, now a division of Johnson Controls.

Dunlap holds a bachelor’s degree in business administration from Mount St. Mary’s University and earned a master’s degree in business administration from the University of Michigan’s Ross School of Business.

Learn about GAF

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Overview

We are North America's largest roofing and waterproofing manufacturer.

More homes and businesses in the U.S. are protected by a GAF roof than by any other product. We are the leading roofing manufacturer in North America, with plants strategically located across the U.S. As a Standard Industries company, GAF is part of the largest roofing and waterproofing business in the world.

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GAF Community Matters

At GAF, we believe that resilience is the foundation on which we will build thriving, sustainable communities of the future. Through GAF Community Matters, our social impact initiative, we deploy expertise, resources, and products to build resilient communities.

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Sustainability

GAF is investing in our people, our planet, and progress for a more sustainable future.

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History

Our journey to become North America’s largest roofing manufacturer is built upon sustained innovation, a never-ending focus on our customers and our commitment to protect what matters most.

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Innovation

GAF is always working on new and better ways to protect homes, buildings and our planet. We are committed to making our products better, stronger, safer and in more sustainable ways that are faster and easier to install.

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