Traditional floor malting unlike modern malting takes place without any artificial ventilation which is why green floor malt beds tend to contain more co 2 than do beds in modern plants.
Green malt in floor.
Green malt definition is grain softened by steeping in water and allowed to germinate but not yet subjected to drying.
Green malt beer raking of green malt is essential to the production of quality floor malt.
The wet mushy green malt is also a challenge to mill the process of crushing the grain.
Malting is the process of converting barley or other cereal grains into malt for use in brewing distilling or in foods and takes place in a maltings sometimes called a malthouse or a malting floor the cereal is spread out on the malting floor in a layer of 8 to 12 cm 3 to 4 5 in depth.
The typical final step in the malting process is to dry kiln the green malt to preserve it for brewing.
The entire floor malting process therefore leaves the malt slightly under modified by modern standards but it gives the malt a very rich aromatic.
In a modern malt house the process is more automated and the grain is germinated on a floor that is slotted to allow air to be forced through the grain bed.
Both distilleries are only able to make these atypical whiskeys because they floor malt in house a rarity in itself.