Find Out what's new with Rolling Doors and Security Grilles - Welcome to Cornell's Blog!

Putting a standard overhead door in where high preference rapid roll doors should be used will directly impact productivity. In the case of high performance roll up doors, it's not pretty.

In today’s world we see first-hand and almost instantly, the devastating after effects of a hurricane. For people and businesses that are prone to hurricanes, how to protect buildings from damage and installing hurricane proof doors are popular topics.

Specifications are an essential part of the design process, but not the most glamorous. It was said by Charles Eames that the details are not the details, they make the design.

If you have ever specified a rolling service door and a rolling fire door, you know that they look very similar to each other. As the old saying goes, “looks can be very deceiving”. There is much more to a rolling fire door than meets the eye.

Here at CornellCookson, we take every precaution to ensure the quality and safety of our products, and that means complying with the latest safety recommendations. Underwriters Laboratories (UL) introduced the UL 325 standard in 2010 to provide products that are safe, particularly though preventing electrical and fire hazards.

Design professionals and building owners are increasingly demanding products that meet and exceed code requirements, particularly any requirements having to do with energy savings.

A rolling fire door must be maintained to be in a continuous and reliable state of readiness to secure a rated wall opening when activated for the purpose of protecting life and property from the spread of fire and/ or smoke throughout a building.

We are concluding the adventures of Bob, the maintenance manager at Awesome Widget, based in the northeast – with snowy winters and hot summers. Because of this, and for security reasons, they close their rolling steel doors after every truck enters or exits the facility.

Thermal resistance is a huge factor that affects the energy performance of insulated roll up garage doors when they are in the closed position. Thermal resistance is measured using R-Value and U-Factor.