Security Grilles provide a wide selection of solutions for retail, commercial and industrial applications. Side-folding grilles have the shortest stacking dimension of any grille available today, and feature a clear anodized finish in a variety of patterns and colors. There are also a full line of upward-coiling grilles available. Constructed of aluminum, stainless or galvanized steel, with optional electric motors, these grilles are designed for durability and easy operation.