Commercial Grilles & Doors

Explore Our Line of Products

Trending Products

Check out out latest innovations and see what's new!

Service Doors

Choose our Rolling Door when you need a closure that's anything but standard and offers optimal security.

High Performance Products

Whether you need advanced performance for security, productivity or air protection at the opening, we can suggest the right door or grille to meet your performance needs

Max Protection Doors

Whether you need doors that can withstand hurricanes and high winds, or protection from the threat of riots and looters - our Max Protection Doors can meet your needs.

Insulated Doors

We didn't invent the insulated door – but we perfected it. Choose our market-leading energy-efficient insulated doors in extreme environments or anywhere you want to save on energy costs and go green.

Fire Rated Products

Our Fire Rated Products provide the highest level of life safety and fire protection available with the lowest cost of ownership in a modern, easily integrated package.

Security Grilles

No matter if you need it side folding or vertical coiling, our grilles provide both security with visual access for interior and exterior openings.

Stacking Series

Compact stacking sectional doors that are uniquely engineered to stack with minimal backroom required

Rolling Counter Door

Commonly utilized in cafeterias, concession stands and ticket booths, Counter Shutters, also known as Counter Doors, provide accessibility and security in interior and exterior finished wall openings

Side Folding Grilles

Easily and quickly transform a large room into two or more sections for security, privacy or unparalleled sound control with our Accordion Partitions. Secure storefronts and more with our Side Folding Grille options that blend effortlessly into any design.

View Operator Information

There are many factors to consider when choosing how your door will operate. How fast you want it to open, how many times a day will it cycle and if there is power available are just a few of these factors. Here, you will find information on each of our available operators.

Download Library

Experience the convenience of downloading all your essential documents in one place!

Learn About Our Materials & Finishes

From stainless to galvanized steel, or daffodil yellow to ruby red – our materials and finishes options are sure to compliment your design.

Trending Products
Roll Up Doors
High Performance Products
Max Protection Doors
Insulated Doors
Fire Rated Products
Security Grilles

Stacking Series
Counter Doors
Side Folding Grilles
Operators
Download Library
Product Selector Tool
Materials & Finishes

Market Solutions

Explore Where Our Products Can Be Used

Learn About Our Roll Up Grilles

Roll Up Security Gates keep areas safe, can be customized for special design projects, and require almost no maintenance.

View Our Healthcare Closures

Choose from a selection of Fire Doors, Overhead Doors, Insulated Garage Doors, Rolling Counter Shutters, and more! Find the best safety solution with our products.

Learn About School and University Solutions

Choose from a selection of convenient solutions such as Accordion Folding Doors, Fire Doors, Security Doors, Side Folding Grilles, and so much more! Contact our design specialists with design ideas.

Learn About Our Retail Closures

Learn what type of Rolling Door and Security Door is right for your security needs.

Learn About Restaurant and Bar Closures

Protecting your restaurant and bar is extremely important. Let us help with the SteelWeave™ Metal Mesh Grille.

Learn about our pharmacy closures

We provide custom security solutions to protect your pharmacy and preserve your medications against forced entry and theft.

Fire Station Industry

Every second counts when there is a fire that needs to be fought.

Cannabis Industry

In the cannabis industry, keeping your staff, facility, and products secure is a make-or-break task. You know the importance of designing a building that’s secure for high value manufacturing and distribution, and we’re here to help.

Warehousing

We're here to help you find the perfect doors for your needs, whether you're building a new warehouse or outfitting an existing space.

Auto Dealerships

Keeping auto dealerships safe and secure

Door & Grille Application Guide

Government Operations

No matter the operation, government facilities should always be fitted with the best security measures.

Learn About Data Centers

Protect data centers with fire-rated rolling doors, elevator smoke curtains (UL 1784), and low U-factor insulated doors for energy efficiency and loading docks.

Retrofit

Retrofitting offers a smart, cost-effective solution.

Parking
Healthcare
Schools & Universities
Retail
Hospitality
Pharmacies
Fire Station Industry
Cannabis Industry

Heavy Equipment Storage Doors
Warehousing
Auto Dealerships
Application Product Guide
Government
Data Centers
Retrofit

Parts, Service & Install

Explore Available Resources

Owner's Manuals

Owner's manual download library

Dealer Services

You focus on taking care of your customer. We focus on taking care of you.

Parts

We provide stocked and custom parts to get your rolling doors back to their peak performance.

Accessories

Enhance the performance or aesthetics of your rolling door, grille or counter shutter.

Operators & Motors

Check out our wide selection of overhead door operators designed for use with our rolling doors, shutters and grilles.

Installation Videos

Rolling door and grille installation videos.

Owner's Manuals
Dealer Services
Parts
Accessories

Operators & Motors
Installation Videos
Technical Services Hours of Operation

Product Customization

Find Ways to Customize Your Next Project

Check Out Our Product Options

Standard offerings are, well, standard. And we know you spend most of your days creating designs that are decidedly not standard. That’s why all of our doors and grilles are built to order, so you can build a door that is as unique as your design.

See our RAL Colors

See our full range of standard RAL colors available for powder coating onto the different components of our doors.

Options

RAL Powder Coat Colors

Product Inspiration

Explore Design Ideas

Check out the Project Gallery

See some projects that contain our products and learn why our customers are happy they chose us.

Watch our Videos

Learn more about our products and our company - watch our videos!

Project Gallery

Video Gallery

Resources

Find the tools and information you need to keep your project moving forward.

Download Library

Experience the convenience of downloading all your essential documents in one place!

LEED Information

Find out how Cornell's product components measure up on the LEED rating system.

Product Codes and Listings

Find out what building codes and listings our products meet and gather the necessary documentation for your project.

Operator Manuals

View all of our operator manuals in one convenient place.

Looking for the right door for your application? We can help!

Follow the prompts through our product selector tool to receive a list of recommended products to meet the needs of your application.

Frequently Asked Questions

Check out our top most asked questions.

Download Library
LEED Information
Codes & Listings

Operator Manuals
Product Selector Tool
Frequently Asked Questions

Architect Portal

Find a Dealer Contact Us 800-233-8366

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Parts, Service & Install
Installation Videos

Cookson Installation Videos

Click on the quick links below to navigate to our different video categories:

Rolling Doors & Security Grilles • APEX Smart Controller • Motors, Operators and Accessories

Rolling Door and Security Grille Install Videos:

Light Curtain Installation for the Extreme 300 Series Grille

Feb 14, 2019, 16:09 PM

Visual instructions for installing the standard sensors that are provided with the High Performace 300 Security Grille, the light curtain and photo eyes.

https://player.vimeo.com/video/622444414?h=357254e2e8

Extreme 300 Door Light Curtain Installation

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APEX SmartController Videos:

Light Curtain Installation for the Extreme 300 Series Grille

Feb 14, 2019, 16:09 PM

Visual instructions for installing the standard sensors that are provided with the High Performace 300 Security Grille, the light curtain and photo eyes.

https://player.vimeo.com/video/622444414?h=357254e2e8

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Motor, Operator and Accessory Videos:

Light Curtain Installation for the Extreme 300 Series Grille

Feb 14, 2019, 16:09 PM

Visual instructions for installing the standard sensors that are provided with the High Performace 300 Security Grille, the light curtain and photo eyes.

https://player.vimeo.com/video/622444414?h=357254e2e8

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