Technique: the whole and perfectly intact grapes are lightly pressed, the must obtained once it is almost clear, then fermented in steel barrels at a controlled temperature. In spring and after several cycles of decanting, the wine is bottled for its second fermentation. The Extra Brut rests for no less than 24 months in the cellar. The storage temperature is constantly checked and maintained around 16 degrees Celsius. The wine is available for consumption no earlier than 30 months.
Time of harvest: Normally one or two days earlier than the other types. The grapes are placed in small boxes and immediately taken to the cellar.