The system can be operated from inside by rod crank winding handle, or powered by tubular electronic motor, both systems lock automatically when lowered.
Operation can also be achieved via a manual spring loaded system which can be locked with a key.
The small roll shutter box constructed from roll formed aluminium sheet, has special shaping to ensure stability throughout its length. With box sizes starting from 165mm x 165mm the roll shutter system automatically becomes aesthetically appealing whilst still retaining its high security benefits.