Abstract: A plant for preparing and feeding a coating composition to a coating head for paper or the like includes a plurality of hoppers, each hopper being intended to receive and deliver one ingredient of the composition. The plant further includes a premixer tank which is fed by the hoppers and mixes and homogenizes the formed composition and a homogenizing tank, fed by the premixer tank, having a high-speed stirrer for shearing the composition. A buffer capacity is directly and continuously fed by the homogenizing tank and connected to the coating head, wherein the buffer capacity preferably has a volume and an attached level detector for determining when the composition in the buffer capacity is below a predetermined level. A set of controllers attached to the level detector control the delivery of components from the plurality of hoppers.