Security Grilles

Durable security grille systems designed to protect openings while maintaining airflow, visibility, and controlled access in commercial environments.

Overhead Door™ Security Grilles provide a dependable solution for securing interior and exterior openings where visibility and ventilation must be maintained. Available in side‑folding and upward‑coiling configurations, these grilles are engineered to deter unauthorized access while allowing light, air circulation, and sightlines into the secured space. Constructed from aluminum, steel, or stainless steel, and offered in a variety of curtain patterns and finishes, security grilles support both functional requirements and architectural integration across retail, industrial, and public settings.

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Security Grille Model 678 Standard

Security Grille 671

Security Grille Model 670

Security Grille Model 683 Brick Pattern

Security Grille Perforated 674

Security Grille 679 Wide

Security Grille 671s

Upward Coiling Security Grilles - Models 670, 671, 674

Provides reliable physical security while maintaining airflow and visibility
Ideal for applications where open‑look protection is preferred over solid doors
Compact coiling design supports clean installations in retail, parking, and interior openings
Proven systems that balance security, access, and daily usability

Springless Upward Coiling Grille - Model 671S

Engineered for high‑cycle environments where traditional spring fatigue is a concern
Reduces maintenance touchpoints to help limit operational disruptions
Delivers consistent performance in active, publicly accessed spaces
Supports safer, more predictable operation for long‑term facility use

Full‑Closure Side‑Folding Grilles - Models 675, 677, 678, 679

Creates a continuous physical barrier when visual access is secondary to security
Suitable for after‑hours storefront protection and controlled‑access areas
Manual operation supports simple, dependable daily use