Maximum overall height: 4,960 mm Unlimited length Maximum vertical glazing dimensions (W x H): 1,500 x 3,500 mm Maximum horizontal glazing dimensions (W x H): 3,500 x 1,425 mm or 1,995 x 1,500 mm Acoustic insulation of glazing alone (6/22/6) : Rw (C; Ctrl) 44 (-1; -3) dB Impact resistance (NF 08-302, 900 joules): 10/22/10 glazing