A rainstorm Tuesday afternoon tore the roof from one warehouse and damaged a second at Heaven Hill's distillery in Nelson County.
The warehouses hold 19,000 barrels each, and each barrel weighs more than 500 pounds. The barrels were not damaged.
The distillery has 51 warehouses holding 1.1 million barrels, the vast majority of which is bourbon.
Master distiller Denny Potter told WKYT-TV that no one was around the warehouses when the storm hit. No one was injured.
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The warehouses won't have temporary covering while they await repair, Heaven Hill communications manager Joshua Hafer said, because the barrels are sturdy enough to withstand the roughly two weeks it will take to repair the roofs.
The damaged warehouses, on Heaven Hill's Bardstown corporate campus, are on a large hill with approximately 20 other warehouses, Hafer said in an email message.
Heaven Hill is a family-owned and operated distilled spirits supplier and the second-largest bourbon producer in the world. Some of its brands include Evan Williams, Elijah Craig and Old Fitzgerald.