Prospect Block Seat, Prospect Block Bench, Prospect Block Table This range is characterised by its solid concrete block base which firmly connects the product to the ground both physically and symbolically – the concrete being an extension of the ground from which it emerges. Coupled to the concrete block is a substantial steel beam which supports the seating or table plane of DuraSlat™. The entire structure is robust, durable and requiring little or no maintenance and well suited to high usage parks and recreational areas.