Security Bars and Security Shutters in a one-family house In between installation of a Viometaloumin removable security bar combined with Viometaloumin security shutters in a modern one-family house at Haidari. The owner combined in the same frame, the Viometaloumin security shutter type T110, with ventilation louvers, with removable security bars T80, so that during the summer he could open the window and the shutters and sleep safely.