Abstract: A high impact shutter capable of withstanding high impacts from flying debris, including large debris, for use on exterior wall openings such as doors and windows, particularly suited for use in violent storms such as hurricanes. The high impact shutter can be retrofit to existing shutter systems using products already installed, or used in entirely new installations. The high impact shutters may be made into panels that include a plurality of interconnected parallel slats held together by a perimeter framework. The shutter slats may or may not have small openings to provide ventilation and to allow passage of light.