One of the key components of the bourbon distillation process is the aging stage, where the liquor improves over time, developing its unique aroma, flavor, and color characteristics (such as caramel). By law, bourbon must be aged in charred new oak barrels before earning the title of straight bourbon. However, the regulations are quite flexible regarding what happens to the barrels afterwards. Some distilleries may repurpose them, sell them to private buyers, or use them as rickhouses – tall rectangular structures specifically designed for storing and aging spirits. Let's explore how rickhouses play a role in the bourbon distillery process.
A rickhouse is a tall rectangular structure constructed from either wood or steel. Its purpose is to house and age distilled spirits, typically bourbon. These structures are often situated near the distillation process to closely monitor the aging process. Some of the oldest rickhouses date back to the late 1700s and were primarily utilized for aging whiskey in Ireland. The term "rick" is believed by some historians to stem from the Irish word "righ," meaning king. Historically, a distiller's rickhouse was referred to as a king's warehouse. Today, they are commonly built with concrete or brick bottoms and metal walls for enhanced durability compared to wooden structures.
Rickhouses are essential for distilleries to age bourbon, sometimes for several years. The choice of wood used in these structures not only influences how the spirit matures but also impacts its final taste. Whiskeys may spend extended periods in the same rickhouse before bottling, allowing distillers to experiment with various wood types to achieve specific flavor profiles.
Rickhouses play a vital role in the bourbon industry by storing and aging the bourbon before it is bottled. This not only enhances the quality of the bourbon but also affects the production output, as the barrel-aging process can be time-consuming. Typically, whiskey barrels spend anywhere from two to six years in a rickhouse, allowing the spirit to mature in a controlled environment. Different types of barrels are used in the aging process, each contributing to a unique taste profile based on the wood used, construction style, and charring level.
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