Steel Building Insulation supplied the insulation, sheeting, purlins, foam closures and accessories for a job in Lexington, Tennessee. The project for 3G Industrial Roofing, an industrial/commercial roofing service and maintenance provider, involved the removal of the existing building roof by the customer to make way for new R-panel sheeting, Z purlins, foam closures and 7,700 square feet of 2″ fiberglass building insulation.