Star fold up doors for industrial application give high performance in heavy traffic movement areas, and facility to operate open-close hundreds of times in a day, in variable & changeable weather conditions, minimize wastage of time & air losses, creating more hygienic ambient in working areas. In case of power failure, door can be operated manually. The double step switch group which slows down the door system before it reaches the stopping point. These types of doors are designed where door sizes are bigger as compared to Roll up doors for higher wind resistance. The housing structure of the product is made of galvanized steel/special aluminum profile and also the control unit with LCD screen, speed driver, Operated Panel & electronic card system with frequency convertor. Its speed can be adjusted from 1.2m/sec to 0.30m/sec.