They are also common in France and Germany: These shutters serve as insulation in locations prone to harsh weather conditions, safeguarding windows from hail d

They are also common in France and Germany: These shutters serve as insulation in locations prone to harsh weather conditions, safeguarding windows from hail damage and designed to endure strong winds. From https://en.m.wikipedia.org/wiki/Roller_shutter https://en.m.wikipedia.org/wiki/Roller_shutter