Heavy duty construction provides a higher level of security while keeping the sense of open space. lndividual panels interlock by full height hinge members. Fully concealed hinge rods protect from vandalism and damage. The panels fold cleanly and positively, resulting in a smooth and easy to operate Grille. The open concept of the doar doubles in decreasing the overall doar weight and increasing operation ease. Recommended far use behind storefront glass and where high strength with ventilation is required. The Glide Guard is a great choice tor enclosing spaces that require good cross ventilation such as food court concessions. The Glide Guard is an appropriate area divider where strength and high visibility are needed; great far schools, sports complexes and public transit areas.