At this stage, cuvées are made between Glera wines, 87 percent, and Pinot Noir, 13 percent Sparkling is carried out using the Charmat method, a procedure traditionally adopted for young, delicate and fruity wines. Secondary fermentation, through natural refermentation in autoclaves, lasts about 20-25 days, while the stay “on the lees” continues for at least two months. Aging in autoclave, first, and in bottle, then, is another 2 months.