A floor tile comprising a base substrate and a laminate layer , wherein the base substrate comprises: a top layer with a laminate layer receiver on a top surface thereof; and a bottom layer with connecting means for engaging with connecting means of a base substrate of a further tile to form an interconnected flooring system, wherein the top layer of the base substrate extends over connecting means on at least one side of the base substrate , wherein the base substrate further comprises waterproofing means for engaging with waterproofing means of a base substrate of at least one further tile to provide a waterproof seal between the tile and at least one further tile, characterised in that the waterproofing means comprise: at least one upstanding flexible seal fin on a top surface of the bottom layer of the base substrate ; a sealing channel on the underside of the top layer of the base substrate; and a protrusion depending from the sealing channel, wherein the upstanding flexible seal fin is for engaging with the sealing channel of a further tile , wherein the sealing channel is for accepting an upstanding flexible seal fin of at least one other further tile and wherein the protrusion is for engagement with yet a further tile to encourage the upstanding flexible seal fin of the tile with which it engages into a sealing channel of one of the other tiles. a top layer with a laminate layer receiver on a top surface thereof; and a bottom layer with connecting means for engaging with connecting means of a base substrate of a further tile to form an interconnected flooring system, wherein the top layer of the base substrate extends over connecting means on at least one side of the base substrate , wherein the base substrate further comprises waterproofing means for engaging with waterproofing means of a base substrate of at least one further tile to provide a waterproof seal between the tile and at least one further tile, characterised in that the waterproofing means comprise: at least one upstanding flexible seal fin on a top surface of the bottom layer of the base substrate ; a sealing channel on the underside of the top layer of the base substrate; and a protrusion depending from the sealing channel, wherein the upstanding flexible seal fin is for engaging with the sealing channel of a further tile , wherein the sealing channel is for accepting an upstanding flexible seal fin of at least one other further tile and wherein the protrusion is for engagement with yet a further tile to encourage the upstanding flexible seal fin of the tile with which it engages into a sealing channel of one of the other tiles. at least one upstanding flexible seal fin on a top surface of the bottom layer of the base substrate ; a sealing channel on the underside of the top layer of the base substrate; and a protrusion depending from the sealing channel, wherein the upstanding flexible seal fin is for engaging with the sealing channel of a further tile , wherein the sealing channel is for accepting an upstanding flexible seal fin of at least one other further tile and wherein the protrusion is for engagement with yet a further tile to encourage the upstanding flexible seal fin of the tile with which it engages into a sealing channel of one of the other tiles. <EOS>