Here at North American Contractors, we’re committed to using only the finest materials on the exterior of your home or business. You can rest easy knowing that not only are the best roofing products protecting your home, but that they were installed by craftsmen who’ve demonstrated proficiency in their use. That proficiency has earned us the following distinctions: GAF Master Elite Contractor Owens Corning Preferred Contractor CertainTeed Shingle Master Certification Vinyl Siding Institute Certified Installers Owens Corning Top of the House Certification