During Construction, Its Important that Attic Has Its Own Autonomous Ventilation. The Auditory Window Can Serve As Such Ventilation. Soometimes Ventilation in the Attic Is Made Using Supply Holes Under the Cornice. This Ventilation Avoids Accumulation of Condensate. SUCH CONDENSATE IS FORMED DUE to Wet Air from the Sanitary Room, Kitchen, As Well as Stairwells.