Using a planetary gear reduction system and a dependable time-proven internal centrifugal braking governor the CERD10 with CFD motor operator is a true workhorse fire door operating system that is both simple and efficient. The convenience of floor level drop testing and reset is showcased with this system that handles the largest fire doors with ease. The system may be activated for closure by an alarm signal or by power failure. Reset is accomplished by simply pressing the open button.
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Garage Door Mart is a trusted BBB certified garage door company serving the Naperville, Aurora, Plainfield and all Chicago-land garage door needs for over 10 years. Our customers value our quality services and have submitted numerous feedback comments over the years that we proudly present on our site. Click to read testimonials and what our customers are saying about us.
"Door Mart came really fast just to lift the door up so that I could drive my husband to the airport so he wouldn't miss his flight. Ash came back later the same afternoon and he only charged us for one service." read more testimonials.
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