Abstract: A longitudinal continuous furnace applicable to construction ceramic material, including a main body (1) lined inside with refractory brick provided internally with a row of nozzles (2) intended to diffuse hot air generated by coaxial gas burners (4), air blowers (3) arranged on the opposite wall which inject pressure air at room temperature from the outside, rails (7) placed on the ground provided for the circulation of wagons (6) which transport the bricks to be burnt (5), and a skirt (8) arranged inside at the height at which travels the horizontal top surface of the wagons (6).