Double Barrel Derivation by Side Project Brewing in Missouri, United States

About Double Barrel Derivation by Side Project Brewing

Derivation is a series of Barrel-Aged Imperial Stouts in which Side Project brews several recipes, age them in a variety of barrels and blend them before bottling to add depth and structure to this massive style of beer. Double Barrel Derivation was aged for 2 years in Willett 12 year barrel before being racked to Port Barrels for 3 months for finishing. Naturally conditioned in the bottle for 8 months before being released.


A 100% barrel-aged, mostly barrel-fermented project. Passion & experimentation drive the creation of rustic Saisons, Wild Ales & spirit barrel-aged ales.

Side Project Brewing makes Double Barrel Derivation American Double / Imperial Stout