GN Exteriors is a local leader among roofing companies in Randolph, MA, providing residential and commercial roof replacement, inspections, and roof repair for over 2 decades. Aside from roofing, we also offer solar panel sales, gutter installation, and vinyl siding in Randolph, MA, and nearby areas. With our high level of attention to detail and quality materials, you can rest assured you’re getting the best roof possible for your home or commercial building. We are a certified roofing crew with the following credentials: CertainTeed ShingleMaster, Owens Corning Preferred Roofing Contractor, and Velux Certified Skylight Installer.