The facade bricks (non-perforated) have five sand covered sides and one side with possible oblong groove. The structure looks rugged with fine and irregular grooves in the sandy surface. The baking process takes place in a gas-heated tunnel oven under slightly reduced atmosphere.
The brick has a yellow base. The different colours of the substrate and the sand types used provide colours ranging from yellow to light pink with beige and grey shades, with white deposits visible. The ageing process also influences the colour shades. The colours shown are a near reflection of reality