The present invention relates to a floor covering based on linoleum having improved fire-protection properties, comprising at least one wear layer made of linoleum, which contains at least one phosphorus-containing compound, solution, suspension, or dispersion as a liquid/viscous flame retardant in a quantity of up to 20 weight-percent, in relation to the quantity of the wear layer, as well as a method for the manufacture thereof. Furthermore, the present invention relates to a floor covering based on cork having improved flame protection properties, comprising at least one phosphorus-containing compound, solution, suspension, or dispersion as a liquid/viscous flame retardant in a quantity of up to 20 weight-percent, in relation to the quantity of the wear layer.