Abstract: The invention relates to a device for applying adhesives, optionally in a retrofit-free manner, in particular PUR adhesives and dispersion adhesives, in particular PVAc adhesives, to planar objects, in particular panel-shaped components, which are made of wood, derived timber products, plastic material or the like at least in some sections, comprising at least one application roller for applying the adhesive and at least one metering roller for metering out the adhesive, the rollers being arranged next to one another forming a tapering gap into which the adhesive is supplied, wherein a glue reservoir for hot-melt adhesive and a glue reservoir for dispersion adhesive are provided, which are connected to the gap by means of a supply system or adhesive.