The Vollay™ V5000 Suite has an enviable range of aerofoil blades in 55, 68, 90 and 115mm. This system can be fixed horizontal or vertical. It can be either Top Hung or Bottom Slide on a straight, curved or bent track. The operable blades are adjustable to 180˚ both up and down. Further, our system is available in Fixed, Sliding, Hinged, Bi-fold, ‘Slide and Stack’ and ‘Stack and Hide’.