Security Grilles. Full closure models provide visual access in most cases and enhanced security … Overhead Door™ Security Grilles are the perfect match for all of your commercial, retail and industrial needs. SECURITY GRILLES Coiling Aluminum or Steel Grilles to Secure Areas Requiring Visual Access and Air Circulation. Overhead Door Corporation´s upward- coiling grilles (670 Series) provide an attractive yet functional means to secure areas where public access must be restricted. Rest easy knowing your garage or store front is safe and secure. Upward Coiling Commercial Dock and Door’s upward- coiling grilles (670 Series) provide an attractive yet functional means to secure areas where public access must be restricted. These ruggedly-constructed grilles provide security … Open air model grilles provide security while allowing full visual access and air circulation. These ruggedly-constructed grilles provide security … Overhead Door Corporation´s upward- coiling grilles (Models 670, 671 & 674) provide an attractive yet functional means to secure areas where public access must be restricted. Upward-coiling perforated grille provides an attractive yet functional means to secure areas where public access must be restricted. Upward Coiling Security Grilles. Upward Coiling Security Grilles 670 When your project calls for an upward coiling grille that is as versatile and attractive as it is rugged and secure, look no further than Model 670. These ruggedly-constructed grilles provide security … These ruggedly-constructed grilles provide security … Overhead Door Corporation´s upward- coiling grilles (Models 670 & 671) provide an attractive yet functional means to secure areas where public access must be restricted. Upward Coiling Security Grilles 674 Upward-coiling perforated grille (Model 674) provides an attractive yet functional means to secure areas where public access must be restricted. Upward Coiling Commercial Grilles Commercial Dock and Door's upward- coiling grilles (670 Series) provide an attractive yet functional means to secure areas where public access must be restricted. For convenience, the security grille … Our security grilles can be powder coated in nearly 200 stock colors as well as custom options and upgrades such as flame retardant polycarbonate inserts to prevent theft of small articles. Roll-up security grilles … These ruggedly-constructed grilles provide security … Perfect for interior applications such as retail, pharmacies and healthcare facilities, the perforated aluminum panels provide security … These grilles … Once open, convenient, upward-coiling security grilles remain in tight, compact coils at the top of their frame, allowing you to maximize space until you need to lower your grille for security. Upward Coiling Security Grilles. Perfect for interior applications such as retail, pharmacies and healthcare facilities, the perforated aluminum panels provide security … We offer a complete line of security grilles, including upward-coiling grilles and side-folding grilles …