US Patent 10407675 Method of fermenting mycelium composite material

A method of fermenting mycelium composite materials wherein layers of fermentable material are stacked in alteration with ventilation layers with air being passed through the ventilation layers to remove heat and gas generated in the layers of fermentable material during fermentation thereof. The obtained composite materials may be formed into cohesive flat boards, such as are used in the manufacture of insulation or furniture.