a method for transforming a profile form , in particular a longitudinal profile form of a material web in a regularly corrugated and / or periodic profile structure , wherein the material web comprises as material paper and / or plastic and / or plastic sheeting and / or heat - insulating material except for materials with metal / metallic and / or heat - conductive components , using one or more moving transforming means with which the material web is brought into positive engagement , wherein after the engagement of the transforming means the material web profiled as a consequence is brought in positive engagement with one or several adjustment means profiled in a complementary manner that are moved in such a manner relative to the transforming means that the profile structure formed by the transforming means is subjected for adjusting , changing or maintaining its accuracy to size to a possible subsequent fine adjustment and / or correction .