CornellCookson manufactures high-performance rolling steel doors, grilles, and closure systems designed for security, fire protection, and operational efficiency. Built to withstand heavy use in commercial and industrial environments, their products combine advanced engineering with dependable performance. From fire-rated rolling doors to high-speed solutions, CornellCookson systems are designed to protect facilities while keeping operations moving.
Thermiser Max Low U
The Thermiser Max® - Low U Door provides superior energy efficiency with a 0.532 U-factor, thanks to mineral wool insulation and a CPVC backer.
Crossing Guard Door
The CrossingGard® Door with ThreatProtect™ enhances security, working with alarms for lockdowns or safe exits. Made of steel or perforated curtains, it includes a safety edge, battery backup, and key override—ideal for schools, hospitals, and universities.
Corrosion Resistant Doors
Our Water Treatment Plant doors resist corrosion, protect openings, and feature NEMA 4X operators, stainless steel components, and durable 304SS or anodized finishes, handling wind loads up to 40 PSF.
ScreenGuard Perforated Slat Doors
ScreenGard™ perforated slat doors provide security with enhanced airflow and visibility, featuring customizable slat patterns and perforation sizes.
Rolling Service Door
Cornell roll-up service doors offer secure, weather-resistant solutions in steel, aluminum, or stainless steel, with durable, compact, and customizable designs.
Extreme 1024 High Performance Door
Extreme 1024 High Performance Doors are fast, secure, and low-maintenance, opening up to 24 in/sec and tested for over 1 million cycles.
Thermiser Max Maximum Insulation Door
The Thermiser Max® Insulated Rolling Door is our most energy-efficient exterior door, cutting air leakage by 94%, meeting ASHRAE® 90.1 and Title 24, reducing noise (STC 30), and earning up to 38 LEED points.
Thermiser Insulated Rolling Door
Thermiser Insulated Rolling Doors provide durable, secure, and energy-efficient exterior solutions, ideal for industrial, retail, and hospitality settings, with compact storage, low maintenance, and a 50,000-cycle warranty.
Rolling Fire Door
Rolling Fire Doors automatically close during fire or smoke events to limit damage, support safe evacuation, and provide security even when not in use.
Firemiser Rolling Fire Door
The Firemiser Insulated Fire Door offers fire, smoke, thermal, and sound protection, with UL listing and FM Approval, available in 45-minute to 4-hour fire ratings.
