F.H.Brundle offers standard Durbar sheet sizes (such as 2000 x 1000mm and 2500 x 1250mm) in 3.0mm, 4.5mm, and 6.0mm base thicknesses. Durbar stair treads are available in standard tread lengths like 1000mm and 1250mm with pre-formed turn-up and turn-down nosings.