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 yellowish base. The different sand colours that are used, result in alternated shades, divided proportionally, from white to yellow, with light and dark grey shades, and a remarkable presence of white sand. The colours shown are a near reflection of reality.