Roller shutters are space-saving, as their range covers the vertical plane. This is a valuable solution for those with small yards and garages. The roller blind does not restrict visibility, greatly improving the safety of drivers. The product is also a solution used in public facilities such as shopping malls to protect storefronts. The roll-up door is designed to operate in a variety of conditions, so we have introduced a number of modifications and additions to enable it to operate smoothly.