ROLLER GUARD

METAL ROLL AND ACCORDION TYPE BUILDING SHUTTERS, NAMELY, MOVABLE AND LOCKING EXTERIOR SHUTTERS FOR PROTECTION AGAINST UNAUTHORIZED ENTRY, WIND BLOWN OBJECTS, SUN DAMAGE TO INTERIOR FURNISHINGS, AND ACOUSTIC BARRIERS TO OUTSIDE NOISES; METAL ACCORDION FOLDING TYPE AND ROLL UP SHUTTERS HAVING ARTICULATED SLATS OF FOAM - FILLED, HOLLOW EXTRUDED ALUMINUM SHELLS TRAINED ON PARALLEL TRACKS MOVABLE BOTH MANUALLY AND POWERED BY ELECTRIC MOTOR, FOR WINDOWS, WINDOW OPENINGS, DOORS, GARAGE DOOR OPENINGS, AND PATIO DOORS AND STRUCTURAL PARTS THEREFOR