Products with impact-resistant glass are rated for his or her potential to withstand wind speeds in numerous, predetermined wind debris zones termed Impact Zones, or IZ for brief. You should send inquiry to our skilled and dependable hurricane impact windows suppliers, wholesalers, distributors, sellers on to buy hurricane impact windows http://news.southdakotachronicle.com/story/554651/highperformance-impact-windows-built-to-meet-florida-building-code-standards.html