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

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.

We are continuing 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.

Awesome Widgets make more widgets in less time than any other widget manufacturer – so materials are constantly trucked in, and manufactured products are constantly trucked out. Based in the northeast – with snowy winters and hot summers and for security reasons, they close their rolling steel doors after every truck enters or exits the facility.

It’s an amazing time of the year. With the holiday season upon us, one overlooked factor is the incredible task that must be accomplished at the North Pole’s toy factory. As you can imagine, the cold harsh environment is not the ideal location to put a factory of this magnitude.

Cornell Iron Works is the industry leading rolling door, security grille and closure product experts since 1828. To inquire how Cornell Iron Works long history of innovation and customer service can help you with your next rolling door project, call 1-800-233-8366!