657
Description A Blue Class B K209 Engineering brick is a perforated brick that combines both high strength and low water absorption. The product is sold in a smooth texture and made from clay. Engineering bricks are specified for their physical characteristics and not their appearance. They have high compressive strength and low water absorption and are classified only by these properties. PLEASE NOTE: The image is for representative purposes only, if unsure please order a sample Delivery conditions apply, see delivery tab for more details.