John Hartwig

John Hartwig leads Revolve's commercial roofing operations, overseeing every TPO, EPDM, modified bitumen, and silicone-coating project from initial site walk through final inspection. His background spans flat-roof installation, commercial bid management, and multi-property maintenance contracts. John is the point of contact for property managers, facilities directors, and general contractors who need a roofing partner that can hit deadlines on multi-million-dollar properties without compromising on documentation, code compliance, or jobsite safety. He coordinates Revolve's preventive-maintenance program for commercial clients and is the in-house authority on commercial roof restoration vs. replacement decisions.