Arrangement for covering the passenger compartment floor of an automotive vehicle

The floor trimming comprises a floor insulation layer, a fitted carpet and insulation and carpet holding elements. The carpet layer (42,44,46) comprises a front piece (42,44) which extends longitudinally from a floor front limit (34) to a rear limit located in front (52,54) of a support (22,24) for a front seat. This support has carpet fastening elements which extend transversely between the base of the side fittings (62,64) each of which have other carpet fastening elements.