Maximum overall height: 4,900 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 1,500 mm Maximum height of glazed partition with full transom: 4,000 mm ) : 3,500 x 1,500 mm Maximum height of glazed partition with full transom : 4,000 mm Maximum height of glazed partition with corner post or facet joint : 3,000 mm 90° corner post or 130° to 180° facet construction Acoustic insulation of glazing alone (6/15/6) : Rw (C; Ctrl): 43 (-1; -2) dB Impact resistance (NF 08-302, 900 joules): 10/15/10 glazing