Twin City Garage Door Service

Cornell Security & Side Folding Grilles

Providing off-hour security for your business

Security Grille

Upward acting, and side folding security grilles provide all around access control and the highest security during closed business hours. Twin City Garage Door brings you the highest quality security grilles from Cornell. Choose from a wide variety of options that are sure to work perfectly with your establishment.

All Cornell security grilles are made from the highest quality materials and manufactured using state-of-the-art technology. When you choose a product from us, you are guaranteed many years of low maintenance performance. Whether you're looking for manual or automatic operation, we have the grille options your business needs.

Features of the Cornell Security Grilles and Closures

At Twin City Garage Door, we have the security and side folding grilles designed to match the aesthetics and security needs of your business. Contact us today to find out how we can help you choose the product that fits your budget requirements.

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Twin City Garage Door Co. is a subsidiary of APi Group, Inc.