Abstract: The invention provides a ventilating synthetic floor-covering comprising a ventilating support layer and one or more synthetic layers wherein the ventilating support layer comprises a plurality of studs between which narrow ventilation channels are formed even when the floor-covering is compressed in normal use wherein the narrow ventilation channels have a width which is less than a principal dimension of the studs; a ventilating support layer; a production line for use in the preparation of a ventilating support layer wherein the ventilating support layer comprises a support layer and a plurality of studs wherein the production line comprises an embossing roller for embossing the plurality of studs on the support layer or a printing roller for printing the plurality of studs on the support layer wherein narrow ventilation channels are formed between the plurality of studs and wherein the narrow ventilation channels have a width which is less than a principal dimension of the studs; and a method of preparing

Abstract: The invention provides a synthetic slip-resistant floor-covering material comprising a layer of synthetic material which contains one or more degradable polymeric particles wherein the one or more degradable polymeric particles comprise: (a) one or more hard degradable polymeric particles which have a hardness which is greater than the hardness of the layer of synthetic material; and optionally (b) one or more soft degradable polymeric particles which have a hardness which is the same as or less than the hardness of the layer of synthetic material; and wherein the one or more hard degradable polymeric particles comprise one or more exposed hard degradable polymeric particles which are exposed at an upper surface of the synthetic floor-covering material to provide slip-resistance; and a method of preparing a synthetic floor-covering which method comprises the steps of: Providing a layer of synthetic material; Applying the one or more degradable polymeric particles to the layer of synthetic material; and Applyi

Abstract: The invention provides a ventilating synthetic floor-covering comprising a ventilating support layer and one or more synthetic layers wherein the ventilating support layer comprises a plurality of studs between which narrow ventilation channels are formed even when the floor-covering is compressed in normal use wherein the narrow ventilation channels have a width which is less than a principal dimension of the studs; a ventilating support layer; a production line for use in the preparation of a ventilating support layer wherein the ventilating support layer comprises a support layer and a plurality of studs wherein the production line comprises an embossing roller for embossing the plurality of studs on the support layer or a printing roller for printing the plurality of studs on the support layer wherein narrow ventilation channels are formed between the plurality of studs and wherein the narrow ventilation channels have a width which is less than a principal dimension of the studs; and a method of preparing