The rooflights from our VisionStar series are simply perfect. They are flat in design, easy to operate, infinitely adjustable, particularly noise-reducing and ultra-robust. The VisionStar M rooflight for the cut-out size 400 x 400 mm. Smoked polycarbonate rooflight with double glazing. Attractive interior frame with double pleated blinds new improved mechanics. Steplessly adjustable up to 50?. Very flat rooflight (only 80 mm above roof). Greatly reduced driving noise and draught. Double-walled frame for better insulation. Continuous ventilation even with pleated blinds closed. High UV protection due to tinted dome material. Robust domes made of impact-resistant polycarbonate.