an automotive interior trim component is constructed by placing a cast polyvinyl chloride , vacuum formed or sprayed thermoplastic / thermoset cover stock , or a cloth / fabric outer shell in a closeable mold , spraying a coating of urethane foam forming materials onto a back surface of the shell , closing the mold with a lid so that an insert is held in spaced relation to the shell and clamping the lid shut while the foam forming material react to provide a shaped foam cushion that is between and bonded to the shell and the insert .