Cornell 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.
Insulated Door Offerings
Our Thermiser® rolling steel door is excellent for applications where climate control is important. By utilizing foam insulation, this door also provides reduced sound transmission.
The Thermiser Max® insulated rolling door combines the energy efficiency and insulated capabilities with the security you require for your application.