PROS Permanently affixed beside the windows and don't require any extra storage space. Can easily be made storm-ready by one person. Provide permanent shade and privacy, even in the open position. CONS Have traditionally been weaker than other systems, but the newest models protect well. Some people complain that they block too much light.
Design limits their use.
These shutters attach above the window. They roll up and store in an enclosed box when not in use. PROS Are permanently affixed above the windows and don't require any extra storage space. Can easily be made storm-ready by one person. Offer some of the best protection, and make an excellent theft deterrent.