A hurricane window (also referred to as an impact window or impact window, and often called an impact window) is made to face up to the force of the hurricane, together with substantial winds and projectiles traveling at large speeds. Hurricane glass also incorporates a darker tint than normal glass http://www.washington-magazine.com/news/story/490741/highperformance-impact-windows-built-to-meet-florida-building-code-standards.html