Cornell Iron Works continues to lead the industry in developing innovative closure solutions for commercial buildings.  Founded in 1828, we have steadily built a reputation of quality and reliability, producing safe and secure rolling service doors, fire rated door systems, counter doors (shutters), security grilles and side folding accordion products. We also provide solutions for emergency response, code compliance, access control, security and environmental separation.    All our doors and grilles are built to order, incorporating architects’ and building owners’ needs on a project by project basis, with convenient architectural design support available throughout the whole process. Product quality, design flexibility, LEED® compliance and superior support services make Cornell Iron Works the preferred choice of architects and specifiers.  Our products are available through a worldwide network of authorized, trusted dealers and are backed by industry-leading warranties.