Bricks. Clay Stock and Clay Maxi Bricks. Cement Stock bricks and Maxi Bricks.32.5 Mpa Cement. Sand.Quick, Reliable, Quality.Call:0861 7037030829041955Clay Bricks from Steinworks Bricks are of the highest quality due to manufacturing procedures using state of the art technology and well managed production processes. The best available clay is sourced from a local quarry, processed and manufactured in order to provide a value for money product. It is clay bricks that you can rely on for quality and durability. The bricks are tested according to SABS specified standards in order to ensure the utmost quality control. In the rare instance that a brick might have a defect, Steinworks Bricks will replace the product within reason.Â