The invention relates to a building component for forming floor and/or wall coverings, for example tile or parquet floorings. According to said invention, the inventive building component comprises a support layer (1) and a layer (2) which is connected thereto and consists of at least one coating element (3) forming a floor or wall surface. Said building component also comprises a device (7, 8) for connecting similar building components applied to a floor or a wall. Said support layer (1) is preferably connected to the coating element (3) by means of an intermediate layer (4) which is foamed or sprayed on the support layer (1) and on the building component.