The roller shutters also give you great control over the amount of light that enters the house at any time. You can completely darken the room by completely lowering the shutters, or you can open them wide so that sunlight floods the room. It completely depends on you. Of course, you can also partially open or close the blinds to influence this. Roller shutters not only control the light, but also control the ventilation. Thus, you can open the blinds so that fresh air can fall through the windows or door, or only a little fresh air enters. Again, it completely depends on you. Finally, roller shutters also give you control over confidentiality. If your neighbors are at home or you do not want passers -by to see you, just lower the shutters as you want.