Burton Unions

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The Burton Unions

The Burton Union method of fermentation is essentially a ‘cleansing’ system. It is a means of removing yeast from beer as the fermentation finishes as well as collecting it for use in subsequent brews. It particularly suits the rather powdery strains traditional in Burton on Trent as the sedimentation distance is a matter of inches and not metres. Only Pedigree and Owd Rodger strong ale go through the union sets at Burton. About 40% of the Pedigree destined for cask sale is fermented to completion in squares and is blended with union beer before packaging.

Update

Carlsberg Marston's, a joint venture formed in 2020 announced the closure of its Burton on Trent Union Rooms in 2024. Two 30-cask sets would be retained for visitors to view and two six-cask sets were donated to Thornbridge at Bakewell, Derbyshire and Epochal Barrel Fermented Ales in Glasgow.


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