What’s the job? This role is home based and will travel as the role permits. The General Manager Glass Mat & Granules Strategy is responsible for assuring the continuous supply of Glass Mat & Granules (Volume and Quality) to all the CertainTeed Roofing lines. She/he also sets the global strategy, creates and leads the roadmap to transition into a vertical integration scheme for Glass Mat and a combination of external purchases and vertical integration for Granules. The incumbent has management responsibility for the operation of the Glass Mat facilities in CertainTeed Roofing: Charleston, SC and Russellville, AL, Oxford, NC and future expansions or acquisitions.  The position is responsible for planning and directing all plant activities su