Another object of the present invention is therefore a process for the preparation of a carpet comprising an upper fibrous layer, an intermediate thermoplastic protective laminate and a polyurethane foam layer wherein the polyurethane foam layer is formed on the surface of the protective laminate which is hot bonded to the upper fibrous layer characterized in that said protective laminate comprises a first outer layer which is facing the upper fibrous layer comprising an ethylene homo- or copolymer, a core layer comprising a polyamide and a second outer layer comprising a thermoplastic polyurethane.