Key Takeaways
- Federal rules require bourbon to be stored in charred new oak barrels, so every fill needs a freshly made barrel. Used ones go to Scotch, other spirits, beer and food makers.
- Brown-Forman closed its Louisville cooperage near the airport on April 25, 2025, cutting about 210 jobs. It now buys barrels from an outside supplier, and Independent Stave Company bought the site.
- Kelvin Cooperage on Outer Loop still builds new bourbon barrels in Louisville. It came from Glasgow in 1991 and has been owned by France's Charlois group since 2023.
- Independent Stave's Kentucky Cooperage, the one with public tours, is in Lebanon in Marion County, not Louisville. The 2025-2026 bourbon slowdown led to layoffs there and at other barrel makers.
- The copper stills come from Louisville too: Vendome Copper & Brass Works has built them in Butchertown for more than a century.
Why Bourbon Burns Through Barrels
Behind every distillery is a smaller supply chain of people who cut oak, raise barrels, set them on fire and build the copper stills the whiskey runs through. Some of it is in Louisville; much of it is elsewhere in Kentucky or in other states. It exists because of one line of federal law. The standards of identity for distilled spirits, 27 CFR 5.143, define bourbon whisky as made from a fermented mash of at least 51% corn, distilled at 160 proof or less, and stored in "charred new oak barrels at 125° or less." Straight bourbon must spend at least two years in those barrels.
"New" means a barrel can hold bourbon only once. "Charred" means the inside has to be burned. The rule does not set a char level, barrel size or oak species, which leaves those choices to distillers and their coopers.
The scale of the demand shows up in the inventory numbers. The Kentucky Distillers' Association counted 16.1 million barrels of bourbon aging in Kentucky as of January 1, 2025, an all-time high, plus about a million barrels of other spirits. Each was a new barrel when it was filled.
How a Bourbon Barrel Is Made
Independent Stave Company's Kentucky Cooperage, as described by Marion County's tourism office, follows a sequence like this:
- Logs to staves. At company-owned stave mills, white oak logs are debarked, cut into bolts, split into quarters and processed into rough staves.
- Seasoning. Finished staves are stacked outdoors to season. Independent Stave's company page says staves are seasoned in climates where natural conditions change the chemistry of the oak.
- Raising. Workers trim, plane and joint the staves, then stand a set loosely inside a hoop. Steam makes the wood pliable, and temporary hoops pull it into shape. In Independent Stave's account of barrel assembly, a dry-fire tunnel then dries the staves and sets the shape.
- Toasting and charring. Barrels can be toasted with gentler heat if the customer orders it. Then the inside is set on fire for a set time, "typically less than one minute."
- Heads, hoops and testing. The heads are fitted into a groove cut at each end, six steel hoops go on, a bung hole is drilled, and every barrel is tested with water and air pressure.
Char levels
Kelvin Cooperage's guide to charring gives approximate times of about 15 seconds for a #1 char, 30 seconds for #2, 35 to 45 seconds for #3 and 55 to 60 seconds for #4, which the trade calls "alligator" char. The same guide separates charring, done with direct flame above 280°C, from toasting, which uses gentler heat of roughly 110 to 230°C.
Independent Stave's research team says #3 and #4 are the industry standard and that the heavier char is its most popular barrel. Its records date the numbered system to the 1950s; an 1826 letter it cites asked for a barrel "charred to a 16th of an inch." The company says the black char layer adds little flavor itself. It acts as a carbon filter, while a "red layer" of heated wood under it supplies flavor, color and aroma. In general, Independent Stave says, lighter char brings out fruit and spice notes and darker char draws out more vanilla and color.
Brown-Forman Cooperage: 80 Years, Then a Sale
For most of the last century, Louisville's best-known barrel maker belonged to a distiller. Brown-Forman's history timeline says the company bought the Wood Mosaic Company in 1945 and turned it into the Bluegrass Cooperage, later renamed the Brown-Forman Cooperage, to control its own barrel production. Distillery Trail says it was set up to answer a postwar barrel shortage.
The cooperage sat on MacLean Avenue near Louisville Muhammad Ali International Airport, according to Spectrum News. As recently as February 2024, when Brown-Forman sold its Alabama cooperage, the company said the Louisville plant made about half of the barrels for its portfolio and supported its barrel research. The Trinity, Alabama plant went to Independent Stave, which had already bought Brown-Forman's stave mills in Alabama, Ohio and Tennessee.
On January 14, 2025, Brown-Forman announced it would reduce its global staff and close its Louisville cooperage, Louisville Public Media reported. The company cut about 12% of its roughly 5,400 employees worldwide. The cooperage closing, set for April 25, 2025, affected about 210 hourly and salaried workers, and Brown-Forman said it would "source barrels from an external supplier to ensure a steady supply of the same high-quality barrels at a competitive price," per Spectrum News.
Since then:
- Brown-Forman's fiscal 2026 annual report says it received $33 million from the sale of its Brown-Forman Cooperage assets in May 2025, and that it now sources the oak barrels for its American whiskey from an external supplier.
- The Spirits Business reported that Independent Stave bought the Louisville cooperage for $13.66 million through a newly formed entity, Kentucky Cooperage Investments, and had no plans at the time to restart production there. The public sources do not explain the gap between the two figures; the filing describes its $33 million as proceeds from the cooperage assets, not just the real estate.
The closing ended Brown-Forman's industrial-scale barrel making in Louisville, with one small exception. The Old Forester Distillery on Main Street still has a working cooperage that chars barrels for visitors to see. A company fact sheet calls it the only downtown distillery with an active cooperage. Our Brown-Forman story covers the rest of the company's Louisville operations.
Kelvin Cooperage: From Glasgow to Outer Loop
According to Angel's Envy, one of its customers, Ed McLaughlin founded the business in Glasgow in 1963 after a four-year apprenticeship. Its early work was mostly repairing used barrels for Scotch distilleries. Distillery Trail dates the move to Louisville to 1991, made to be near bourbon country and the American white oak supply, and lists its address as 1103 Outer Loop.
For more than 20 years, LPM reported in 2014, Kelvin made wine barrels and bought used bourbon barrels, refurbishing them for whiskey makers in Scotland and Ireland. By the time of that report, brothers Kevin and Paul McLaughlin were making new white oak barrels for craft distillers, working overtime, and estimated they could sell 10 times the barrels they could make the following year. Paul McLaughlin told Angel's Envy the company did not seriously chase bourbon until 2010 or 2011, and that new bourbon barrels have since become most of the business.
Kelvin does much of its assembly by hand and judges each char by eye. "Not having the barrels on a timer makes a huge difference," Paul McLaughlin said. Kevin McLaughlin died in December 2019. In July 2023, Oak Nation, a subsidiary of France's Charlois Group, signed a binding agreement to buy 100% of Kelvin Cooperage, with Paul McLaughlin staying on as president, per Distillery Trail. Terms were not disclosed. Kelvin's own site now describes it as part of the OAKING group, formed in June 2025 to combine Kelvin with Graf Brothers, a white oak stave producer Charlois bought in 2024. The Kelvin site says its new barrels use Graf Brothers' air-dried staves. It does not advertise public tours.
Outside Louisville: Kentucky Cooperage in Lebanon
The cooperage most often called "Kentucky Cooperage" is in Lebanon, in Marion County, not Louisville. It belongs to Independent Stave Company, a family-owned business based in Missouri that LPM described in 2014 as the largest maker of whiskey barrels in the world.
According to an entry on Clio, T.W. Boswell founded Independent Stave in 1912 to make staves for other barrel makers, and the company began making white oak barrels for bourbon producers in 1951. The Boswell family still runs it, with Brad Boswell as CEO, according to the company. Besides Kentucky Cooperage, The Spirits Business lists its other cooperages as Kentucky Bourbon Barrel South in Lebanon, Kentucky, Commonwealth Cooperage in Morehead, Kentucky, and Missouri Cooperage in Lebanon, Missouri. Lebanon, Kentucky, also has a smaller barrel maker, Canton Wood Products, and Speyside Bourbon Cooperage, owned by France's Tonnellerie François Frères since 2008, has cooperages in Kentucky and Ohio, Virginia Business reported, though we could not confirm details of its Kentucky site.
Touring Kentucky Cooperage
Tours have run since 2009 and show coopers assembling staves, fitting hoops and charring barrels. Details from the official tour site and company posts:
- Where: Tours start and end at the Kentucky Cooperage Visitor Center, 711B E. Main St., Lebanon, KY 40033, across the street from the plant, with displays on how a barrel is made and a gift shop, according to Independent Stave.
- When: Weekdays only; closed weekends and holidays. If the plant is not in normal production, visitors see a video tour instead.
- Times and price: An undated company post lists 45-minute tours at 9 a.m., 11 a.m. and 1 p.m. Eastern for $18, free for veterans and active military. Confirm on the booking site.
- Booking: Online or by phone at (270) 402-8009. Cancellations are accepted up to 48 hours ahead.
- Other tours: In 2024 the company added a tour of its used-barrel plant, Kentucky Bourbon Barrel South, and a combined Life of a Barrel tour.
The Slowdown Reaches the Barrel Makers
When bourbon was growing, barrels were the bottleneck. In 2014, an Independent Stave plant manager in Lebanon told LPM production there had doubled in two years and that there was "no end in sight." By 2025 the problem had reversed: distillers had record inventories, sales were soft, and exports faced tariffs.
Barrel makers sell into new production, not into whiskey already aging, so a distiller that cuts output cuts barrel orders with it.
- Independent Stave filed a notice in August 2025 to cut 112 jobs at Kentucky Cooperage in Lebanon, 90 of them in production, as it consolidated to a single shift. The company cited "current market demand," The Spirits Business reported.
- Alabama Cooperage, the former Jack Daniel's barrel plant that Independent Stave bought from Brown-Forman, was scheduled to close in September 2026 with 71 jobs lost, per The Spirits Business.
- Speyside Bourbon Cooperage planned to end production at its Atkins, Virginia plant in April 2026, citing slowdowns in the bourbon industry, Virginia Business reported. The same report cited Distilled Spirits Council figures showing American whiskey sales fell about $100 million in 2025, to $5.1 billion.
- Canton Wood Products in Lebanon sold about 7,000 barrels in 2025, roughly half its 2022 volume, and laid off 8 of 38 employees, according to an April 2026 Reuters report that described local cooperages with backlogs of unused barrels.
The same Reuters story said Independent Stave had cut production but was still investing for growth, and that Kentucky whiskey makers had planned $1.45 billion in expansions through 2030.
Where the Used Barrels Go
An emptied bourbon barrel is a byproduct with its own market, and the biggest buyer has long been Scotch whisky. The Whiskey Wash traces the habit to the period after Prohibition, when U.S. rules made bourbon barrels single-use and created a surplus of cheap charred American oak casks just as British demand for sherry and port casks was falling. A 1999 Whisky Magazine report put the scale in perspective: Heaven Hill alone was shipping about 75,000 barrels to Scotland a year at the time.
That trade is what first brought Kelvin to Louisville, and it still reconditions and resells used barrels. Independent Stave's used-barrel plant in Lebanon refurbishes them for spirits, beer and wine. Louisville makers use them too: Copper & Kings in Butchertown ages its brandy in bourbon barrels, and Bourbon Barrel Foods ages soy sauce and smokes salts with them.
The Stills: Vendome Copper & Brass Works
The still is the piece of distilling hardware with the deepest Louisville roots. Vendome Copper & Brass Works has built copper stills in Butchertown for more than a century. Its website dates the company to 1903; it was founded by Elmore Sherman Sr. and is run by the fourth generation of his family. (A 2014 LPM profile gave 1904.) That LPM profile described a union shop of about 60 people in five buildings on Franklin Street, shaping imported copper sheet into pot stills priced from $15,000 to $500,000. Customers named in the piece included Jim Beam, Maker's Mark, Four Roses, Buffalo Trace, Brown-Forman, Michter's and Angel's Envy, and Mike Sherman said Vendome was the only coppersmith of its kind left in the area.
Vendome has since grown beyond copper. In October 2024 it announced a 50,000-square-foot plant on Ormsby Avenue, about three miles from Franklin Street, for large stainless steel fermenters, cookers, beer wells, tanks and pressure vessels. The move freed Franklin Street for stills, heat exchangers and smaller vessels.
What This Means for Founders and Visitors
For someone starting a distillery, barrels and stills come from a small number of suppliers, and the barrel market has swung from shortage to surplus in a decade. Our distillery guide covers the permits, taxes and warehousing; Startup Louisville's look at the bourbon economy and startup opportunities covers the business side.
For visitors, Louisville itself offers the Old Forester Distillery's small cooperage on Main Street, while the full-scale barrel tour is in Lebanon. The rest of the city's distillers and suppliers are in our bourbon and spirits directory.
Frequently Asked Questions
Why does bourbon have to be aged in new barrels?
The federal standard of identity for bourbon, in 27 CFR 5.143, requires it to be stored in charred new oak barrels at 125 proof or less. A barrel that has already held bourbon cannot be refilled with spirit that will be sold as bourbon. The rule does not set a char level, barrel size or oak species. Straight bourbon must spend at least two years in those barrels.
Is the Brown-Forman cooperage still open?
No. Brown-Forman announced on January 14, 2025 that it would close its Louisville cooperage on MacLean Avenue near the airport, and it closed on April 25, 2025, affecting about 210 workers. Brown-Forman now buys barrels from an outside supplier, and Independent Stave Company bought the site. The Old Forester Distillery downtown still has a small working cooperage for visitors.
Where is Kelvin Cooperage?
Kelvin Cooperage is at 1103 Outer Loop in Louisville. The McLaughlin family founded it in Glasgow, Scotland in 1963 and moved it to Louisville in 1991. It makes new bourbon barrels and reconditions used barrels. France's Charlois Group agreed to buy it in 2023, and it is now part of Charlois's OAKING group. Its website does not advertise public tours.
Can you tour a cooperage in Kentucky?
Yes. Independent Stave Company runs tours of its Kentucky Cooperage in Lebanon, in Marion County, starting from its visitor center at 711B East Main Street. Tours run on weekdays only and should be booked in advance. A company post lists 45-minute tours for 18 dollars, but confirm current times and prices before you go.
What happens to bourbon barrels after they are used?
Because bourbon cannot reuse a barrel, emptied barrels are sold on. Scotch whisky distillers have used them for decades, and they also go to makers of other spirits, beer and wine. Cooperages such as Independent Stave and Kelvin refurbish used barrels for resale. In Louisville, Copper and Kings ages brandy in bourbon barrels and Bourbon Barrel Foods uses them for soy sauce and smoked salts.
Who makes bourbon stills in Louisville?
Vendome Copper and Brass Works, a fourth-generation family company founded by Elmore Sherman Sr. in the early 1900s, builds copper stills on Franklin Street in Butchertown. Its customers have included Jim Beam, Maker's Mark, Buffalo Trace and Brown-Forman. In 2024 it opened a 50,000 square foot plant on Ormsby Avenue for large stainless steel tanks and vessels.