A stamped product for permanently obturating holes, especially in metal sheets or plastic parts of automobile bodies, having an at least partly single-sidedly self-adhesively treated base layer comprising a heat-resistant backing whose area is greater than the area of the hole to be obturated and which is provided, in particular centrally, on the adhesively treated side with a first section of a heat-activable adhesive sheet whose area is greater than the area of the hole to be obturated and less than the area of the base layer, the stamped product being applied over the hole to be obturated, in such a way that the hole is substantially covered by the first section.