Single malt whisky (and sometimes a third) time. The final spirit, called "new make spirit", generally has an alcohol content of 60 to 70%. Most new-make malt whisky is diluted to about 62.5% a.b.v. before it is placed in casks to mature. The "new-make spirit", or unaged whisky, is then placed in oak casks to mature. By law, all Scotch whisky must be aged for a minimum of three years in oak casks, though many single malts are matured for much longer. The whisky continues to develop and change as it spends time in the wood, and maturation periods of twenty years or
Finishing (whisky) well-known finished whiskies include Balvenie "Doublewood", which is finished in sherry casks; Angel's Envy bourbon, which is finished in port and rum barrels; Glenlivet "American Oak Finish" and "French Oak Finish", which are finished in brand-new casks of the respective woods; the Glenmorangie range of sherry, port, madeira, and burgundy finishes; and the Diageo line of "Distiller’s Editions", a "Double Matured" expression of each of their classics line of single malt scotch whiskies. Finishing (whisky) Finishing (also known as "double matured" or "wood-finished") is the procedure that some whiskeys undergo where the spirit is matured in a cask of a