Maintains the visual appearance of the S150/75 whilst being able to sustain concentrated loadings of up to 75KN – UDL (Ultimate Design Load).Non glazed self finish construction comprising reinforced ribs which are spaced at 150mm centres with an overall panel thickness of 100mm. Brass demarcation strips and bronze identification plates are standard cast – in features to identify the break out area in the event of a fire. Weight – 185KG/M².