DENVER - Johns Manville (JM), a global building and specialty products manufacturer and a Berkshire Hathaway company, announced plans to build a second production line at the company’s Scottsboro, Ala., manufacturing facility. The new line will increase production capacity for JM TPO (thermoplastic polyolefin), a roofing membrane that continues to be the preferred choice of the industry’s top commercial roofing contractors, consultants and building owners.

“This significant investment continues JM’s long-standing commitment to our customers, the industry, our employees and the communities in which we serve,” said Mary Rhinehart, JM’s President and CEO.