Rapid roll up door suitable for negative temperature between -5° and -25 ° C. It is self-repairing, in case the sheet comes out from the guides it will return inside the guides on the next opening. The door is CE certified according to EN 13241-1. It is Silent: The sheet flows into guides provided with a brush system. The safety against crushing is ensured by an optical safety barrier with Sender/receiver technology. Sheet: insulated, suitable for low temperatures, ice-free. Heating system on the side frame and on the upper guide. The motorgear is provided with encoder, safety catch device, and crank to open the door manually. Opening speed 1 m/s closing speed 0,8 m/s. Frame: folded steel sheet and epoxy white painted RAL 9010. The electrical control box is resistant to impacts, complete with inverter, touch screen display, exclusive Incold software, emergency button and main switch. Power supply220V 50 Hz.