Blakeslee Home Improvement’s installation department and management is certified and factory trained by several of our manufacturers, allowing us to give you the best installation and upgraded warranties. Our certifications include: GAF-Elk Roofing Certified Contractor, Certainteed Master Shingle Applicator, Certified Alcoa Vinyl Siding Installer, Certainteed Vinyl Siding Master Craftsman, Gorell Grand Additions Sunroom installation training, Seaway Manufacturing Sunroom installation training and most recently we attained the status of Energy Star Partner. We are currently undergoing testing to become AWDI Certified. AWDI is the Association of Window Dealers and Installers. This certification will assure quality installation backed by AWDI and Lloyds of London.