why is clay clinker brick for paving more expensive than common ceramic brick? Paving bricks must be very durable. It must be resistant to the pressure of car wheels and other destructive forces like water, snow, frost, salt. To produce such a durable and resistant brick, the clay must be fired at a very high temperature, above 1150 degrees Celsius. A higher brick firing temperature means higher energy consumption and, therefore, higher production costs and final selling price of the paving clay brick
